Barizi specializes in comprehensive apartment renovations across London, delivering projects from initial planning through final handover. Our team handles everything: structural modifications, electrical installations, plumbing systems, flooring, wall finishes, and custom carpentry. Each project begins with detailed measurements and client consultations to establish clear timelines and budgets.
We work with verified suppliers who provide materials meeting British Standards. Our electricians hold City & Guilds Level 3 qualifications, plumbers are Gas Safe registered where required, and all structural work complies with current Building Regulations. Projects typically range from studio flats requiring 3-4 weeks to three-bedroom apartments needing 8-12 weeks, depending on scope.
Throughout the process, clients receive weekly progress reports with photographs and updated schedules. We coordinate with building management to ensure compliance with noise restrictions and access requirements common in London residential properties. Payment schedules are structured in stages tied to completion milestones, with final settlement only after client approval and any necessary adjustments. Our warranty covers workmanship for 24 months, with separate manufacturer guarantees on installed fixtures and appliances.
Numbers that reflect our commitment to quality workmanship and client satisfaction across London and surrounding areas
Browse through our recent flat renovation work across London, showcasing various styles and scopes of transformation
Building quality living spaces across London since 2015, we deliver comprehensive apartment renovation services with attention to detail and client satisfaction.
Barizi was established in 2015 by a team of construction professionals who recognized a gap in the London market for reliable, full-cycle apartment renovation. Starting with small projects in Camden and Islington, we built our reputation through consistent delivery and transparent communication with clients.
Over eight years, we have completed 340 apartment renovations across Greater London, from studio flats in Shoreditch to three-bedroom properties in Richmond. Each project taught us valuable lessons about managing timelines, coordinating trades, and maintaining quality standards under various conditions.
Our workshop in North London houses a team of 23 specialists: electricians certified to BS 7671 standards, plumbers registered with Gas Safe, carpenters with NVQ Level 3 qualifications, and decorators experienced in both modern and period properties. This in-house capability allows us to control quality at every stage without relying on subcontractors.
We operate on a fixed-price contract model with detailed specifications agreed before work begins. Clients receive a project manager who coordinates all trades, handles building control notifications, and provides weekly progress updates. Our average project duration is 6-8 weeks for a two-bedroom flat, depending on scope.
Materials are sourced from established UK suppliers: Wickes for timber and hardware, Screwfix for electrical components, and Topps Tiles for bathroom and kitchen finishes. We maintain accounts with these suppliers to ensure consistent availability and competitive pricing. For kitchens, we work with Howdens and Magnet, offering clients a range of styles from contemporary handleless units to traditional shaker designs.
Every renovation includes a 24-month warranty covering workmanship and installations. We return for a 6-month inspection to address any settling issues and ensure all systems function correctly. This follow-up service has resulted in 89% of our clients recommending us to friends and family, measured through independent surveys conducted in 2023.
Detailed quotes with itemized costs for materials, labour, and waste removal. No hidden fees or unexpected charges during the project.
All electrical work certified by NICEIC registered electricians. Gas installations handled by Gas Safe engineers. Building control notifications submitted where required.
Realistic timelines with buffer periods for unforeseen issues. Daily site cleanup and waste management to minimize disruption to neighbours.
British Standard compliant materials with manufacturer warranties. Dulux and Crown paints, Armitage Shanks sanitaryware, MK electrical fittings as standard specifications.
Ready to start your renovation project? Contact our team to discuss your requirements and receive a detailed quote for your apartment refurbishment.
42 Richmond Avenue
London, N1 0BN
Find answers to common questions about our renovation services and processes
The duration depends on the property size and scope of work. A one-bedroom flat typically requires 4-6 weeks, while a three-bedroom property may take 8-12 weeks. This includes demolition, electrical and plumbing installations, plastering, flooring, tiling, decorating, and final touches.
Factors affecting timeline include structural changes, custom joinery, bathroom and kitchen installations, and material availability. We provide a detailed schedule before starting and keep you updated throughout the process.
Our comprehensive service covers every aspect from initial consultation to final handover. This includes design planning, obtaining necessary permits, demolition, structural work, electrical rewiring, plumbing installation, heating systems, plastering, flooring, tiling, kitchen and bathroom fitting, decorating, and final cleaning.
You receive a fully finished property ready to move in, with all fixtures, fittings, and finishes completed to specification. We coordinate all trades and manage the entire project timeline.
For complete renovations involving electrical work, plumbing, and structural changes, we recommend relocating temporarily. This ensures safety, allows faster progress, and prevents damage to your belongings from dust and debris.
For partial renovations or single-room projects, it may be possible to remain in the property. We can discuss phased approaches where we complete one area at a time, though this extends the overall timeline.
Costs vary based on property size, specification level, and location. A basic renovation of a one-bedroom flat starts from £25,000-£35,000, while mid-range specifications range from £40,000-£60,000. Premium finishes with custom features can exceed £80,000.
Larger properties naturally cost more. A three-bedroom flat typically ranges from £60,000 to £150,000 depending on choices. We provide detailed quotations after assessing your property and discussing your requirements.
We operate on a staged payment system tied to project milestones. Typically, this includes an initial deposit of 20% upon contract signing, followed by payments at key stages: after demolition and first fix (30%), after second fix and plastering (30%), and final payment upon completion (20%).
This structure protects both parties and ensures funds are available for materials and labour at each stage. All payments are clearly outlined in your contract with corresponding completion criteria.
Yes, we manage all necessary applications and approvals. This includes building control notifications for structural work, electrical and plumbing certifications, and any required planning permissions. Our team has extensive experience navigating London borough requirements.
We ensure all work complies with current building regulations and obtain the necessary certificates upon completion. This documentation is essential for property sales and insurance purposes.
Absolutely. We encourage clients to select materials, fixtures, and finishes that match their preferences and budget. Our team provides guidance on quality, suitability, and cost-effectiveness, but final decisions remain yours.
We can source materials on your behalf or work with items you purchase directly. If you choose to supply materials, we coordinate delivery timing to align with the construction schedule and verify specifications meet installation requirements.
We provide a 24-month warranty on all workmanship and installations. This covers defects arising from our work, including plastering, tiling, joinery, decorating, and installations. Manufacturer warranties on appliances, fixtures, and materials are passed to you with full documentation.
Electrical work is certified by registered electricians with appropriate guarantees, and plumbing installations carry similar assurances. We respond promptly to any issues during the warranty period.
We implement strict site management protocols including dust barriers between work areas and unaffected spaces, daily cleaning routines, and proper waste disposal. Heavy-duty extraction equipment is used during dusty operations like sanding and cutting.
Rubbish is removed regularly, typically twice weekly or more frequently for larger projects. We protect floors, stairs, and communal areas with appropriate coverings and ensure the site is left tidy at the end of each day.
Unexpected issues like hidden water damage, outdated wiring, or structural concerns sometimes emerge once work begins. We contact you immediately when such situations arise, explain the problem clearly, and provide options with associated costs.
No additional work proceeds without your approval. We document findings with photographs and provide written quotations for necessary remedial work. Our experience helps anticipate potential issues during initial surveys, minimizing surprises.
Yes, we regularly work in flats within occupied buildings. We respect neighbours by adhering to reasonable working hours (typically 8:00-18:00 on weekdays), minimizing noise where possible, and maintaining clean communal areas.
We notify neighbours before starting, coordinate with building management regarding access and facilities, and ensure our team behaves professionally. Noisy operations are scheduled considerately, and we address any concerns promptly.
We have experience working within the constraints of listed buildings and conservation areas. This requires additional planning permissions and adherence to specific guidelines regarding materials, methods, and appearance.
We liaise with conservation officers, prepare necessary applications, and ensure work respects the property's character while meeting modern standards. This process takes longer than standard renovations due to approval requirements.
Our team includes qualified tradespeople with relevant certifications in their specialisms. Electricians are registered with competent person schemes, plumbers hold appropriate qualifications, and all work follows British Standards and building regulations.
We conduct regular site inspections, maintain photographic records of progress, and perform quality checks at each stage. Final inspections ensure everything meets specification before handover, and we address any concerns immediately.
Changes are possible but easier and less costly when made early. We assess each request for feasibility, impact on schedule, and cost implications. Minor adjustments like paint colours or fixture choices are straightforward.
Significant changes affecting completed work or requiring different materials may incur additional costs and delays. We provide written variation orders detailing changes, costs, and timeline adjustments before proceeding.
We offer design consultation for standard renovations, helping you plan layouts, select finishes, and optimize space. For complex projects requiring structural changes or architectural drawings, we collaborate with architects and structural engineers.
If you already have architectural plans, we work directly from those specifications. We can also recommend trusted design professionals if needed and coordinate closely throughout the design and construction phases.
You receive regular updates through your preferred communication method - phone, email, or messaging. We provide weekly progress reports with photographs, schedule updates, and any decisions requiring your input.
A dedicated project manager serves as your main contact, available to answer questions and address concerns. Site visits can be arranged at convenient times, and we maintain detailed records of all communications and decisions.
We maintain comprehensive public liability insurance covering £5 million, protecting against damage to your property or injury during work. Our employers' liability insurance covers all team members working on site.
All electrical work is certified under Part P building regulations, and plumbing installations comply with Water Supply Regulations. We provide all necessary certificates and documentation upon completion, essential for property records and future sales.
Expert guidance on apartment refurbishment, from planning stages to final touches. Learn about materials, techniques, and current trends in residential renovation.
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Flats require flooring that meets Part E Building Regulations for impact sound transmission. Engineered oak with 5mm acoustic underlay achieves 17-20dB reduction, while laminate with dense foam backing provides 14-17dB. We compare installation costs, longevity (15-25 years for engineered, 10-15 for laminate), and compatibility with underfloor heating systems.
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Real feedback from homeowners across London and the UK who trusted us with their flat renovation projects
Our two-bedroom flat in Islington needed a complete overhaul. The team handled everything from electrical work to plastering, painting, and installing a new kitchen. They worked around our schedule, kept the site clean, and finished exactly when they said they would. The result exceeded what we had in mind.
Good service overall. The bathroom renovation took slightly longer than planned due to plumbing issues, but they kept us informed. Fair pricing and solid workmanship.
I'm so happy with how my studio flat turned out! They maximized every inch of space with clever storage solutions and a neutral colour scheme that makes the place feel twice as big. Communication was excellent throughout.
The ROI was excellent. We invested £18,000 in renovating our buy-to-let property in Birmingham, and the valuation increased by £35,000. Professional approach, transparent costs, no hidden fees. They coordinated all trades efficiently, which saved considerable time. The property was rent-ready within six weeks from start to finish.
Decent work on the flooring and decorating. The price was competitive. One issue with paint colour that needed correcting, but they fixed it without argument. Would be nice to have more frequent updates during the project.
They solved a major damp problem we'd been struggling with for years. Proper diagnosis, installation of a damp-proof course, replastering with breathable materials, and redecorating. Three months later, walls are still dry. Finally, we can use that bedroom again.
Solid team. Kitchen installation was particularly impressive - units fitted perfectly, worktop joints barely visible. The tiling work around the bathroom was neat. Initial quote was accurate, which I appreciated. Delivery of materials took a bit longer than expected, adding three days to the schedule.
Converted our dated Victorian flat into a modern home while respecting original features. They restored the cornicing, stripped and refinished the floorboards, and updated all services. The attention to detail was remarkable.
Met expectations. The price-to-quality ratio was reasonable. Some minor snags at completion that required a return visit, but they addressed everything on the list. Communication could have been more proactive.
Fast turnaround was crucial as we needed the flat ready for tenants. They completed a full redecoration, new carpets, and minor repairs in just two weeks. Quality didn't suffer despite the tight deadline. Impressed by their organization and efficiency.
Best decision we made when buying our first home. The flat needed complete refurbishment, and they guided us through every choice - from flooring to lighting fixtures. Budget was tight at £12,000, and they worked within it without compromising on essential quality. We moved in six weeks later to a space that felt brand new.
Professional service from quote to completion. Bathroom suite replacement and retiling done to a high standard. Minor delay with the shower enclosure delivery, but they adjusted the schedule accordingly. Price was transparent with no surprises.
We deliver complete flat renovations with attention to detail, transparent pricing, and commitment to deadlines
From initial consultation to final inspection, we handle every aspect of your renovation. Our dedicated project managers coordinate all trades, schedule deliveries, and ensure work progresses smoothly. You receive weekly updates and have a single point of contact throughout the entire process.
After the initial survey, we provide a detailed quote covering materials, labour, and timelines. This price remains fixed unless you request additional work. No hidden fees or unexpected costs. Payment schedule is structured in clear stages tied to completion milestones, protecting your investment.
Our team includes electricians certified to BS 7671 18th Edition standards, Gas Safe registered plumbers, and carpenters with NVQ Level 3 qualifications. Each specialist has completed over 150 residential projects. We maintain public liability insurance of £5 million for your peace of mind.
All completed work comes with a full 12-month guarantee covering both materials and labour. Should any issues arise from our installation, we return to resolve them at no additional charge. Manufacturer warranties on appliances and fixtures are transferred to you with full documentation.
A standard two-bedroom flat renovation takes 6-8 weeks. We provide a detailed schedule showing when each trade arrives and when specific rooms become available. Our completion rate is 94% within the agreed timeframe. Delays are communicated immediately with revised dates.
We hold a waste carrier licence and dispose of all construction debris through registered facilities. Approximately 85% of materials are recycled or repurposed. Skip hire and waste removal costs are included in our quotes. Your property is left clean after each working day.
Transform your flat with our comprehensive turnkey renovation package at a reduced rate. This exclusive offer includes free design consultation, premium materials upgrade, and extended warranty coverage. Whether you're updating a single room or renovating your entire property in London, our experienced team delivers quality workmanship on schedule. Book your project now and receive a complimentary post-completion inspection plus priority scheduling for any future maintenance needs.
We handle every aspect of apartment refurbishment in London and surrounding areas. From initial design consultation to final finishing touches, our team delivers quality workmanship with transparent pricing and reliable timelines.
Complete painting service for walls, ceilings, and woodwork using premium emulsion and gloss paints. Surface preparation includes filling cracks, sanding, and priming. We use dust sheets and ensure minimal disruption. Two coats applied as standard, with additional coats available. Colour consultation included to help you choose the right shades for each room.
Installation of laminate, engineered wood, or vinyl flooring throughout your apartment. Includes removal of existing flooring, subfloor levelling, and underlay installation. We work with leading manufacturers including Quick-Step and Karndean. All materials sourced from UK suppliers with manufacturer warranties. Skirting boards fitted and finished to complement your new floors perfectly.
Full or partial rewiring to current BS 7671 regulations with certification provided upon completion. Installation of new consumer units, socket outlets, and light fittings. All work carried out by NICEIC registered electricians with 12-year experience. Includes testing, inspection, and Building Control notification. Minimal damage to existing decoration with careful channelling and making good of all surfaces.
Replacement of water supply pipes, waste systems, and installation of new fixtures. Gas Safe registered engineers handle all boiler and heating work. We install Worcester Bosch, Vaillant, and Ideal boilers with extended warranties. Bathroom and kitchen plumbing upgraded to modern standards. Pressure testing and certification included. Emergency call-out available during the warranty period for complete peace of mind.
Treatment of rising damp, penetrating damp, and condensation issues using chemical injection or membrane systems. Sovereign Chemicals or similar approved products with 20-year guarantees. Replastering with salt-inhibiting render after treatment. Timber treatment for any affected joists or floorboards. Independent surveyor reports available. Particularly important for ground floor flats and basement conversions common across London boroughs.
Internal wall insulation using Kingspan or Celotex boards with plasterboard finish. Loft insulation to 270mm depth meeting current Building Regulations. Floor insulation for ground floor apartments using rigid foam boards. Draught proofing around windows and doors. Energy Performance Certificate improvement guaranteed. Reduces heating bills significantly while improving comfort levels during winter months throughout your property.
Acoustic insulation for walls, floors, and ceilings using Rockwool or similar mineral wool products. Resilient bars and acoustic plasterboard reduce sound transmission between rooms and neighbouring properties. Floor treatments include acoustic underlay beneath laminate or carpet. Particularly effective for conversions and new-build apartments where sound transfer is problematic. Testing available to confirm decibel reduction achieved after installation.
Full room plastering or patch repairs using British Gypsum products. Skimming over existing plaster or plasterboard installation on stud walls. Coving and cornicing available in period properties. Venetian and decorative plaster finishes for feature walls. All surfaces left smooth and ready for decoration within 48 hours. Twenty years of experience working on Victorian, Edwardian, and modern properties throughout Greater London.
Internal door replacement with solid core or hollow core options from XL Joinery or Premdor. Includes hanging, ironmongery fitting, and frame installation. Fire doors for flats with certification provided. External door replacement with composite or UPVC options featuring multi-point locking. Threshold adjustments for accessibility. Architrave and skirting matched to existing or supplied new. Handles, hinges, and locks in chrome, brass, or satin finishes.
Custom wardrobes, alcove units, and shelving designed to maximise space in your apartment. MDF or plywood construction with painted or veneered finishes. Soft-close doors and drawer systems. Internal lighting and hanging rails included. Particularly useful for Victorian conversions with awkward spaces. Measurements taken precisely to ensure perfect fit. Handles and knobs from a wide range of styles to match your interior design scheme.
Installation of ceiling roses, corbels, and panel mouldings to enhance period properties. Plaster or lightweight polyurethane options available. Feature walls with wallpaper from designers like Farrow & Ball or Cole & Son. Picture rails and dado rails fitted and painted. Restoration of existing Victorian or Edwardian features where damaged. All work completed by craftsmen experienced in working with listed buildings and conservation areas.
Complete clearance of renovation waste including rubble, old fittings, and packaging materials. Licensed waste carriers with Environment Agency registration. Recycling of materials wherever possible to reduce landfill. Skip hire arranged if required for larger projects. Same-day or next-day collection available across London postcodes. Certificates of waste disposal provided for your records. Particularly important for leasehold properties requiring proof of proper disposal methods.
The information provided on this website is offered "as is" and is accurate to our knowledge at the time of publication. Barizi reserves the right to modify, update, or remove any content without prior notice. While we strive to maintain current and precise information regarding our apartment renovation services, specifications, timelines, and pricing details may change. We recommend verifying all critical details directly with our team before making decisions. Barizi limits liability for any inaccuracies, omissions, or outdated information presented on this site. For professional advice tailored to your specific renovation project, please consult with our qualified specialists.