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Loft Conversion Companies in West Hampstead

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Some of our top rated loft conversion companies in West Hampstead

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  • Loft Conversion Company in West Hampstead

    We are a family owned company running in the past 20 years with experience in Greece & United Kingdom providing the best quality for all clients.

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  • Loft Conversion Company in West Hampstead

    We are a multi-disciplinary group of architectural designers, structural engineers, interior designers,builders and support staff. Our backgrounds span residential extensions, commercial developments, restaurants, and bespoke interior schemes. Across projects big and small, our collaborative process is shaped by mutual respect, timely advice, and real technical depth.

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  • Loft Conversion Company in West Hampstead

    DLB Building Services – Reliable & Professional Construction Services At DLB Building Services, we specialise in delivering high-quality construction services with a commitment to excellence and customer satisfaction. With many years of experience, we handle everything from new builds, renovations, extensions, and commercial projects to bespoke construction solutions. Our team of skilled professionals ensures precision, durability, and efficiency in every project. Whether you are planning a home improvement or a large-scale development, we bring expertise, reliability, and a client-focused approach to make your vision a reality. 📞 Contact us today on to discuss your project!

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  • Loft Conversion Company in West Hampstead

    Shapedbuilder is a locally based London custom residential building company with over 14 years of experience which offers a wide array of building and renovation services, for any job, big or small.

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  • Loft Conversion Company in West Hampstead

    We provide a bespoke construction service, working directly with you or your architect/designer and engineer. After an initial outline cost assessment for your project we prepare a detailed specification and working budget based upon your specification. We do not provide a fixed contract but work very closely to an agreed budget and specification and use our experience to deliver a high quality building project within a controlled time frame.

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  • Loft Conversion Company in West Hampstead

    Clarence Loft Conversions is a small carpentry based building company specialising in Lofts. We cover all aspects of building works. Concentrating on one job at a time, providing a high quality finish. Covering Surrey and south west London.

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  • Loft Conversion Company in West Hampstead

    Over 10 years of experience Trusted - Local - Reliable COSTY BUILDING LTD has a proven track record of innovative designs, effective problem solving and attention to detail and our goal is to meet and exceed the expectations of every customer. We pride ourselves on our commitment to provide a professional and speedy service at all times, whilst maintaining the highest quality of work. We take on all types of jobs from small domestic work to larger commercial projects, all carried out to the highest standards, and at very competitive prices.

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  • Loft Conversion Company in West Hampstead

    Hi, I’m jas from joshan builders. With over 15 years in the trade, I specialise in high-quality loft conversions / extensions/ new builds. I take pride in clear communication, reliable timelines, and attention to detail on every project. 📍 Where I work: tottenham, I cover surrounding areas up to 20 miles 🔧 Special skills: Structural work, bespoke carpentry, accurate quoting, and managing full renovations. ✅ Why hire me: I’m committed to getting the job done right — first time, on time. Let’s talk about your project — I’d love to help bring it to life!

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  • Loft Conversion Company in West Hampstead

    Hello ! My name is Timmy , I’ve been on construction industry for almost 10 years now ! I’ve done a lot of projects including loft conversion,extension,,full house refurbish, bathrooms, kitchens and many I’m new on this app that’s why probably I don’t have any feedback! Jobs we do: Loft conversion Extension House refurbished Kitchens Bathroom Plastering Painting & decoration Electrical work Plumbing And many more Timmy & construction LTD

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  • Loft Conversion Company in West Hampstead

    We are a construction company with a proven track record of delivering high-quality building services. Over the years, we’ve built a reputation for excellence through our commitment to craftsmanship, attention to detail, and a strong focus on customer satisfaction. Our expertise spans across a wide range of services, including new builds, office fit-outs, full property renovations, loft conversions, extensions, and external works, as well as property maintenance and management. Whether it’s creating a bespoke family home from the ground up or breathing new life into an existing property (Residential or commercial), we bring the same level of dedication and care to every project we undertake. At the heart of our business is a simple but powerful ethos: “Do it once, do it right.” This principle guides everything we do — from the quality of materials we use to the professionalism of our team and the clarity of communication with our clients. Why Choose Us? 1. Professionalism: We approach every project with integrity, transparency, and a clear sense of responsibility. 2. Quality-Driven: We never cut corners and always strive for excellence in workmanship and finish. 3. Agile: We are flexible and adaptable, able to respond quickly to challenges and client needs. 4. Trustworthy: Our clients trust us to deliver on our promises, and we take that trust seriously. 5. Clear Communication: We believe clear, open, and honest communication is key to successful outcomes and lasting relationships. Our success is reflected in the positive testimonials and long-term relationships we’ve built with our clients, many of whom return to us for future projects or refer us to others with confidence. If you’re looking for a construction partner in London who combines experience, reliability, and a commitment to quality, we’d be delighted to discuss how we can help bring your vision to life

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  • Loft Conversion Company in West Hampstead

    With over 25 years of experience in the building industry, we specialise in transforming homes through bespoke loft conversions, extensions, and renovations. Our skilled team is dedicated to delivering high quality craftsmanship and exceptional customer service, ensuring that each project reflects your unique vision. Whether you're looking to maximise space or enhance the aesthetic appeal of your home, we are committed to turning your dreams into reality. Let us help you create the perfect living space tailoring to your needs!

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  • Loft Conversion Company in West Hampstead

    CC Builders UK Development well-established company, by a professional tradesman. Our team consists of hard-working men, who are all very experienced within the industry. We take pride in our work and always aim to deliver the best possible work. We specialise in: · New Builds · Extensions · Loft Conversions · Refurbishments

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  • Loft Conversion Company in West Hampstead

    This is Jimmy&Son Construction LTD, We got 30 years of experience on Loft conversions, Extensions and full house renovations.

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  • Loft Conversion Company in West Hampstead

    Customer friendly, professional building service. Works covering:extensions, loft conversion, complete house renovation, kitchen and bathroom fitting, flooring. Great attention to detail to building process as well as design and planning. Don't hesitate to contact for a free quotation.

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  • Loft Conversion Company in West Hampstead

    Based in London Sort Project Management Ltd is a construction company with over 10 years experience. Since we established in 2010, we have built over 100 new homes, extensions and conversions. We specialise in refurbishments, constructing new homes, loft conversions and extensions for greater living spaces. We also offer a full-service residential Design and Build service. We also offer the following services: Landscaping & Gardening Garage & Garden Room/Summer House Construction Roofing

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4.2

Top rated Loft Conversion Companies

Our Loft Conversion Companies in West Hampstead, are rated 4.2 out of 5 based on 9 reviews from customers like you.

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What services are offered by loft conversion companies in West Hampstead?

Converting a loft often entails many jobs - some of which you likely haven’t even considered! Fortunately, a professional loft conversion company in West Hampstead will be able to handle multiple services, ensuring your transformed loft is fit for purpose.

Some of the services loft conversion companies can provide include:

  • Full loft conversions: Complete design and build projects when structural alterations are needed

  • Dormer loft conversions: Add extra headroom and floor space with a dormer extension

  • Velux or rooflight conversions: Ideal for lofts with good existing height; minimal structural change required

  • Hip-to-gable conversions: Extend the sloped roof to create more usable space

  • Mansard conversions: A major structural change offering maximum space.

  • Loft storage conversions: Add flooring, lighting, and insulation for clean, usable storage

  • Skylight or roof window fitting: Install natural light solutions like Velux windows

  • Staircase installation: Design and build bespoke stair access to your new loft

  • Insulation, heating, and ventilation upgrades: Ensure comfort and compliance with energy standards

  • Design and planning services: Architectural drawings, planning permission, and building regulation approval

Post your job to MyBuilder and you'll be matched with loft conversion companies in West Hampstead who are interested and available to help. And with the reviews of past customers and the freedom to compare the quotes of similar tradespeople, all in the same place, the ball’s in your court.

Average costs of loft conversion companies in West Hampstead

Loft conversions tend to be charged on a project basis, rather than by the hour, as they often involve weeks or even months of work.

The cost of your loft conversion depends on a few things, including the style of loft conversion and materials you choose and the size of your property.

That being said, here are average prices for common types of conversion work:

  • Full loft conversions: £45,000–£70,000+
  • Dormer loft conversions: £55,000–£85,000+
  • Velux or rooflight conversions: £25,000–£45,000
  • Hip-to-gable conversions: £50,000–£80,000+
  • Mansard conversions: £70,000–£100,000+
  • Loft storage conversions: £10,000–£20,000
  • Roof window fitting or skylight installation costs: £1,000–£2,500 per window
  • Staircase installation costs: £2,000–£5,000
  • Insulation, heating, and ventilation upgrades: £2,000–£6,000
  • Design and planning services: £1,500–£4,000

Take a look at our guide to loft conversion costs to get a more detailed breakdown of the different options available when using a West Hampstead loft conversion company.

Find a loft conversion company in West Hampstead with MyBuilder

When you’re planning major work like a loft conversion, you’ll want to find the right tradesperson for the job. The great news is, MyBuilder has already done all the time-consuming work for you.

All you need to do is post your job on MyBuilder, completely for free, and we’ll share it with loft conversion companies near you in and around West Hampstead.

Step 1: Post your job on MyBuilder

Provide a detailed description of your loft conversion project, including the type of conversion you want, any structural changes, preferred materials, and your ideal timeline. Once posted, local loft conversion companies in West Hampstead can view your job and register their interest.

Step 2: Review and compare West Hampstead loft conversion companies

Browse the profiles of interested loft conversion companies. On MyBuilder, you can view photos of previous projects alongside customer reviews, compare quotes, and see the types of conversions they specialise in.

Step 3: Contact and discuss your project

Once you’ve reviewed local West Hampstead loft conversion companies, you can reach out to those that interest you to ask questions, clarify details, and request more specific quotes. At this stage, be sure to discuss vital aspects like planning permission, design options, and estimated timelines to ensure the company meets your requirements.

Step 4: Hire the right West Hampstead loft conversion company

Once you’re satisfied with their experience, quotes, and approach, you can confirm your hire and start planning your loft conversion.

You can also take a look at our loft conversion specialist hiring guide to help inform your choice. All tradespeople undergo checks at registration - such as verifying ID documents, company details, and certifications for regulated jobs and doing skill assessments - allowing you to hire with confidence.

Questions to ask local loft conversion companies in West Hampstead

Choosing the right loft conversion company for your job requires finding someone who understands your home and your goals.

Find out which company can share your vision by asking the following questions:

What experience do you have with loft conversions in West Hampstead?

A local loft conversion company in West Hampstead will know the types of properties and building styles common in your area, as well as the planning and building regulations that apply. Ask about similar projects they’ve completed locally.

Are you insured, and do you offer a warranty for your work?

Insurance protects your home during the loft conversion process, while a warranty shows the company’s confidence in the quality and durability of their work.

How do you handle planning permission and building regulations?

Established loft conversion companies in West Hampstead should understand local planning rules and building regulations. Ask how they’ll manage permissions, inspections, and compliance to avoid delays or legal issues.

What is included in your quote?

Ensure the quote covers all essential aspects of the loft conversion: structural work, windows or skylights, staircases, insulation, labour, and any additional fees. Understanding this upfront prevents unexpected costs later.

Do you manage the project from start to finish?

Some West Hampstead loft conversion companies offer full project management, coordinating architects, builders, and tradespeople. Others may only handle part of the conversion. Clarifying this early on helps you understand what support to expect.

FAQ: Common questions about loft conversions in West Hampstead

How long does a loft conversion take?

Typically, a loft conversion can take between 6 and 12 weeks, depending on complexity, planning permissions, and any structural work required. Be sure to discuss the timeline with any potential loft conversion companies in West Hampstead before agreeing to start the work.

Do I need planning permission for a loft conversion in West Hampstead?

Many loft conversions fall under permitted development, but some require planning permission, especially if you’re adding a dormer, extending the roof, or living in a listed building. A professional West Hampstead loft conversion company can advise and handle permissions for you.

Will a loft conversion affect my home insurance?

Yes, you’ll need to update your home insurance to cover the conversion. Inform your provider about structural changes, additional rooms, and any changes to utilities or heating systems.

Can I stay in my home during the loft conversion?

Many loft conversions allow you to remain in your home, though noise and dust are inevitable. Some West Hampstead loft conversion companies offer strategies to minimise disruption, but in complex projects, temporary relocation may be advisable.

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