Some of our top rated loft conversion companies in South Hampstead
Sort by:
- Get in touch
****PLEASE GOOGLE US**** Contact us via info at formfunction dot uk We are a Design & Build holding company with over 26 years of dedicated experience in architecture, interior design, structural coordination and construction. info at formfunction dot uk At Form + Function Studio, we help homeowners, landlords, developers and contractors move their projects from early concept through planning, building regulations and construction. We may not always be the lowest-cost option, but as a RIBA Chartered Practice supported by Chartered MICE engineers, we are committed to providing reliable customer service, sound technical expertise and professional support from concept to completion. -Our Services and Starting Fees- 1- Architectural Design and Planning Initial consultation or site visit, from £350 + VAT Measured survey and existing drawings, from £450 + VAT Planning drawings for small extensions, from £1,250 + VAT Householder planning application package, from £1,500 + VAT Loft conversion planning package, from £1,000 + VAT Change of use or house to flats feasibility and planning package, from £2,000 + VAT Pre-application advice package, from £750 + VAT 2- Building Regulations and Technical Design Building regulations drawings for loft conversions, from £1,500 + VAT Full technical package for extensions, including architectural details, insulation, ventilation, drainage coordination and building control liaison, from £2,500 + VAT New build or larger residential technical package, including building regulations drawings, structural design coordination, SAP, ventilation and drainage strategy, from £3,500 + VAT Approved Inspector or Building Control response package, from £1,550 + VAT Structural Design and Calculations RSJ or beam calculation, remote service where sufficient information is provided, from £450 + VAT RSJ or beam calculation, including site visit, from £850 + VAT Structural calculations for rear extensions from £850 + VAT Structural review and sign-off support for Building Control queries, from £1,550 + VAT Specialist and Supporting Services Fire safety drawings and fire strategy report, from £1,500 + VAT Drainage layout and waste pipe strategy, from £650 + VAT Ventilation strategy, from £450 + VAT SAP calculations and Part L coordination, from £450 + VAT Construction Logistics Plan or Management Plan, from £650 + VAT Section 80 demolition notice support, from £750 + VAT Interior design concept package, from £750 + VAT Detailed interior design, finishes and specification package, from £1,500 + VAT Design and Build We can also assist with construction, refurbishment, extensions, fit-out and project delivery through our construction team and trusted specialist contractors. Construction costs are priced separately following a site visit, review of the scope and confirmation of the required specification. All fees above are starting prices and may vary depending on the size of the property, complexity of the project, level of detail required, location, timescale, number of revisions and whether third-party consultants are required. Let Form + Function Studio help you turn your idea into a clear, compliant and buildable project.
- Get in touch
a small building and restoration company, a builder with over 20 years of experience, we take proud of our projects building a good relationship with our clients.
- Get in touch
At Two Brothers Refurbishment, we don’t just build and renovate — we transform spaces, improve lives, and bring our clients’ visions to life. Built on trust, craftsmanship, and a strong work ethic, our company has quickly earned a reputation for quality and reliability in the UK construction and refurbishment industry. Two Brothers Refurbishment is a family-rooted construction company with a passion for building done right. With years of hands-on experience in a wide range of projects, we have built a team of skilled professionals — carpenters, builders, electricians, plumbers, and decorators — who share one goal: to deliver top-quality work, every time.Our mission is to provide comprehensive construction and renovation services that are tailored to the unique needs of every client. We aim to create functional, beautiful, and lasting spaces while maintaining the highest standards of professionalism, communication, and care. We specialise in a broad spectrum of residential construction services, including: -Home Extensions & Loft Conversions -All aspects of structural work -Full Refurbishments & Renovations -Kitchen&Bathrooms -Renovation&Refurbishment -we can Create/Design/Build -All insurances in place
- Get in touch
We are a skilled carpentry and joinery company providing high-quality workmanship for residential and commercial projects. With a strong focus on precision, reliability, and attention to detail, we deliver bespoke solutions tailored to each client’s needs. Our services range from first-fix and second-fix carpentry to bespoke joinery, Property maintenance, High end renovations and more
- Get in touch
Hello and welcome to Axe Construction Ltd. If you are thinking of renovating your home, building an extention or arranging general maintenance in your property, we are here to help. Our priority in job is to deliver high standard service to customer’s satisfaction.We offer a professional and friendly service to all private and commercial clients in and around London We are always go above and beyond to satisfy our clients.We are happy to provide references from our clients and arrange site visit
- Get in touch
I am Builder with 30 years experience in all kind of building projects.Together with my team we can provide for you a complete building service and help with advice in any aspects of building works. We specialise in: conversions, extensions, renovations, reconfigurations, basements, lofts, new kitchens and bathrooms, flooring , doors, gardening, demolition works, roofing, steel installation, plastering, painting and decorating and all others of building works included electric and plumbing.
- Get in touch
All Aspects Construction is a multi-disciplinary contractor who specialise in the construction, refurbishment and maintenance of commercial and domestic buildings. We focus on delivering the very best craftsmanship in all services delivered and a quality end product through sustainable construction all within an approachable and professional manner.
- Get in touch
North Builders LTD have a team of specialists which gives you quality and high standard work on Loft conversions, Extensions, Roofing, Renovation, Refurbishment. We based in London and we cover all M25. With the best quality work and proffesional prices on the market we managed to make happy a lot of costumers around London and not only. Our priority is the costumer to be satisfied, the project to finish in timeline and on budget. Contact us for free quotes.
- Get in touch
Adam Group Ltd is an established residential construction and development company, incorporated in 2010, specialising in high-quality refurbishments, extensions, loft conversions and new build projects across London and the South East. We work with homeowners, investors and local authorities on projects ranging from £150,000 to £3 million, covering everything from full house refurbishments and structural reconfigurations to large-scale extensions, loft conversions and ground-up developments. Since inception, we have successfully delivered over 250 projects, building a strong track record for reliability, quality and consistent delivery. In 2025 alone, the company achieved a turnover of £4.5 million, reflecting both our capacity and the level of projects we undertake. Our team provides an end-to-end service, including planning coordination, structural works and full construction delivery. We are experienced in working alongside architects, engineers and local authorities to ensure projects run smoothly and comply with all regulatory requirements. We maintain a 4.9-star rating on Google, with the majority of our work coming from repeat clients and referrals — a testament to our professional approach, clear communication and attention to detail. If you are planning a refurbishment, extension or new build and want a contractor with a proven track record and the capability to deliver complex residential projects, we would be happy to discuss your requirements.
- Get in touch
Home improvement company. Experience since 2005.Our job is our passion.Let us make Your dream project.Every job its important to us from small to big. We do: -kitchen -bathroom -loft conversion -extension -refurbischments -electric -plumbing -gardening …and many more
- Get in touch
We are a family-run team based in London, delivering quality reinstatement and structural packages with a focus on safety, compliance, and finish. Our services include: Full roof reinstatement (strip and recover, pitched and flat systems) Foundations and groundworks for home extensions and full builds Drainage systems, soakaways, trenching and reinstatement Structural works, retaining walls, concrete pads Skilled paving and driveways: block, slab, concrete, tarmac and natural stone Fencing and external reinstatement Why choose us: CSCS-trained operatives, CITB-trained supervision Fully insured with RAMS prepared for every project Experience on both domestic and commercial sites, including listed buildings Domestic clients and subcontracting welcome.
- Get in touch
We are a London-based renovation team dedicated to transforming old properties into bespoke, move-in-ready homes. From the first demolition to the final interior touch, we deliver smart, client-led designs with competitive pricing. Our strength lies in adapting each renovation to individual tastes — including custom-made furniture and natural material finishes — without sacrificing functionality or budget. We believe renovations should feel simple and rewarding. Our turnkey service handles every stage — from removing old fittings and waste to delivering fully furnished, uniquely designed living spaces. Whether you’re a homeowner, real estate investor, or developer, we offer tailored layouts, material sourcing, and craftsmanship that fit your vision and financial plan. instagram @nessk.renovation
- Get in touch
TIL Construction LTD is a well-establish company that provides a complete and cost-effective solution for your building needs. We pride ourselves on a team of highly skilled craftsmen and professionals ready to deliver any sized construction project from start to finish. Whether it’s a new build, extension, loft conversion, or renovation, we can help with a portfolio of building work across London and other cities within the UK.
- Get in touch
I love to install carpets. Carpet isn’t just a floor but a lifestyle. I specialise in carpet fitting and maintenance. I tend to provide quality work for clients through years of experience. Every job requires a coordination between client and company, and this is how I work by coordinating with client because end of the day client would be looking at work and shouldn’t have any second thoughts.
- Get in touch
ABG Builders we do all sorts of building projects and have been running since 2006 we specialize in extensions from foundation to finish we make sure our costumer achieves their dream home. Free quotations
