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Find loft conversion services in London

Finding loft conversion companies in London can be easy and hassle-free. Just post your job on MyBuilder today, and connect with available loft conversion companies in London, from Wimbledon to Greenwich.

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Some of our top rated loft conversion companies in London

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  • Loft Conversion Company in London

    Whitehouse Building Construction is a London based principle contractor specialising in all aspects of construction services. Our team uses their expertise to assist you in achieving your objectives, whether it is for investment purposes or to increase the value of your property. With over 20 years experience in the trade we can deliver high standard work at a reasonable price.

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  • Loft Conversion Company in London

    Hi, I am very experienced plumber, been in business since 1984. I do all plumbing work.

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  • Loft Conversion Company in London

    Luxe Lofts are a family run company, offering a highly personalised service. Not only is it important for us to get it right, we ensure your project runs smoothly from start to finish and most importantly, on time. From initial designs to the finished build, Luxe Lofts are with you every step of the way. Our professional service of expert design, high quality craftsmanship, and attentive customer care ensures that your loft conversion is created to achieve its greatest potential; installed with both efficiency and minimal inconvenience. Luxe Lofts only use qualified, experienced craftsmen and tradesmen. All our projects include plans, submission of plans to local authorities, building, plumbing and all electrical work. All works are fully certificated and carry a 10 year structural guarantee* for total peace of mind.

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  • Loft Conversion Company in London

    Our customers are at the heart of our business, so we always aim to please beyond expectations. Gastector has experienced and qualified engineers and tradesmen that will ensure your job is carried out to the highest standard.

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  • Loft Conversion Company in London

    complete renovation of the house bathrooms kitchen garden roofs and paintings

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  • Loft Conversion Company in London

    I have many years of experience working with different clients within the built environment with bias in residential designs. My work experience as an architect has covered small to large residential designs. My current strength is working as a Principal Designer with emphasis on health and safety while designing out fire risks

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  • Loft Conversion Company in London

    Our business is a partnership that undertakes house builds, extension, loft conversion and all general building works with over 40 years experience. Running and organising from start to finish. With a team you can trust to see the work you want completed to the highest of standards.

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  • Loft Conversion Company in London

    hi, we are 23 years on building trade and we try to keep our costumers happy with work we do thank you

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  • Loft Conversion Company in London

    I HAVE MORE THAN 10S EXPERINSE I CAN DO ALOT OF THING JUST CONTACT ME THANKS

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  • Loft Conversion Company in London

    Hi my name is Jack At JG building, we specialize in bringing your vision to life with exceptional craftsmanship, attention to detail, and unwavering commitment to quality. Whether you’re building your dream home, renovating a space, or embarking on a commercial project, our team of experienced builders is here to provide reliable, efficient, and high-quality services. We understand that every project is unique, which is why we work closely with you to ensure your specific needs and desires are met, from concept to completion. With a focus on integrity, professionalism, and transparent communication, we aim to exceed your expectations and deliver results that stand the test of time.

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  • Loft Conversion Company in London

    Multi skilled construction company

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  • Loft Conversion Company in London

    Skilled carpenter with very good experience in drylining,painting,tiling 1st and 2nd fix,roofing.

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  • Loft Conversion Company in London

    My name is sulakhan singh Jandu. We are working in construction industry for over 25 years. We provide high quality work with reasonable prices. Refurbishment of house, bathroom, kitchen and carpentry work is our specialty. If you want to change your bathroom, Change your kitchen, would like to do extension or loft conversion, look no further. Just call Mr

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  • Loft Conversion Company in London

    Loftnix Developments is a trusted, London-based construction company specializing in high-quality loft conversions, home extensions, and full property refurbishments. With over a decade of hands-on experience, we take pride in turning ordinary spaces into extraordinary living environments. From concept to completion, we manage every detail of your project with precision, professionalism, and a personal touch. Our team is committed to delivering work that is not only structurally sound but beautifully finished on time and within budget. Whether you're looking to create a new bedroom in your loft, expand your kitchen, or completely renovate your home, Loftnix Developments brings the craftsmanship, care, and expertise to bring your vision to life. We serve clients across North and Greater London, and our reputation is built on word-of-mouth, repeat business, and high client satisfaction. Get in touch today for a free, no-obligation quote and discover how we can help you maximize the potential of your home.

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  • Loft Conversion Company in London

    Lucky Build is a London based property renovation and refurbishment company serving residential and commercial clients. With years of experience, we specialise in full refurbishments, bathroom and kitchen installations, and damp proofing and timber preservation, delivering every project with precision, compliance, and care. Our qualified team of builders, gas engineers, plumbers, and damp surveyors manage each stage from design through to completion. We handle full renovations, single room upgrades, leak detection, and complex damp issues, providing reliable workmanship and long lasting results. Our services include property renovation and refurbishment for modern and period homes, the installation of bathrooms, en suites and wet rooms, bespoke and pre made kitchen installations with full plumbing and electrical connections, certified gas and plumbing work including boiler servicing and leak detection, and professional damp and timber inspections with detailed reporting. We also carry out damp proofing and timber preservation using proven methods that follow industry standards. Our focus is on quality, transparency, and long term value, combining skilled craftsmanship with reliable materials to deliver desired perfection!

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4.4

Top rated Loft Conversion Companies

Our Loft Conversion Companies in London, are rated 4.4 out of 5 based on 11 reviews from customers like you.

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What makes hiring loft conversion services in London unique?

Loft conversions in London are a smart move because space doesn’t come cheap in the capital. Turning your empty attic into a proper bedroom, home office, or study feels like adding an extra floor without moving house or going into your garden space.

What makes London loft conversion services different:

  • Party wall agreements: You’ll often need a party wall agreement for loft conversions on terraced homes in areas like Islington or Clapham. A loft conversion company can help you get your neighbours’ approval.

  • Conservation area rules: Older properties in conservation areas require strict heritage consents, which can affect how a loft is designed or how windows are added.

  • Urban access challenges: Congestion zones, narrow streets, and parking restrictions, especially in central London, can complicate lifting materials and installing scaffolding for your loft.

There are a few things to consider when you are hiring a London loft conversion. But you don’t have to worry. Just post your job on MyBuilder today, and loft conversion companies near you can use their on-the-ground knowledge to discuss the specifics of your project.

You can also review their profiles, check previous work, read customer feedback, and compare quotes before deciding who to hire.

What services are offered by loft conversion companies in London?

Loft conversion services in London are designed to take the hassle out of turning your unused attic into a practical, everyday space. From early design ideas to final finishing touches, a good loft conversion company can guide you through every step.

The most popular loft conversions homeowners choose:

  • Full loft conversions: A complete design‑and‑build package when your loft needs proper structure work, stairs, and all the new fixtures to turn it into a real bedroom, office, or living area.
  • Dormer loft conversions: A dormer extension juts out from the roof to give you more headroom and floor space. This is perfect if you want a usable room without changing the whole roofline.
  • Velux or rooflight conversions: Great for lofts that already have decent height, this option adds roof windows and basic finishes, so you can quickly gain a bright, fresh space with minimal structural work.

No matter your loft conversion needs in London, just post your job on MyBuilder today.

Then, loft conversion companies in London who specialise in your project can help. For more elaborate projects, like loft apartments, you can also easily bring in additional tradespeople like electricians in London, plumbers, or joiners if your project needs them.

Average costs of loft conversion companies in London

Loft conversion services in London typically cost 10 - 20% more than in other UK cities. Even so, it’s often a smart investment because a well‑planned loft conversion can boost your home’s value while giving you the extra living space you need.

Cost breakdown for loft conversion services in London:

  • Full loft conversions: Around £45,000 - £85,000 for a standard design‑and‑build project.
  • Dormer loft conversions: Often towards the upper end of the same range, depending on how much structure and headroom you add.
  • Velux or rooflight conversions: Usually more affordable, often starting lower but rising with extras like insulation and lighting.

For a better idea of the costs, just post your loft conversion project on MyBuilder. You will hear from London‑based companies who can work around challenges like tight space and conservation‑area rules.

Or, for more information on the costs of different types of loft conversions, see this full guide on How much does a loft conversion cost in London?.

Find a loft conversion company in London with MyBuilder

Save the scrolling, and let MyBuilder do the work to find loft conversion companies near you. It only takes a few quick steps.

Step 1: Post your loft conversion job on MyBuilder

Whether you need a small renovation, or a complete new build, simply post your job on MyBuilder to find loft conversion companies in London.

Once your job is posted, it will be shared with our directory of verified London loft conversion companies who can express their interest.

Step 2: Compare different loft conversion services in London

When London companies respond to your job post, take the time to compare their profiles, previous work, and customer reviews.

You can also ask them about their availability and request quotes before making your decision.

Step 3: Hire London conversion companies with confidence

Now that you’ve got the information you need, you can make a confident decision about which loft conversion company in London to hire.

Note: All tradespeople in London who register with our platform undergo checks to give you peace of mind. This includes ID documents, company details, certifications for regulated jobs and skill assessments.

Questions to ask local loft conversion companies in London

Hiring a loft conversion company in London is a big step toward turning your home into the space you really need, and it helps to ask a few key questions to make sure you’re choosing the right team for your project.

What building qualifications do you hold?

Ask your loft conversion company in London about any professional memberships or construction‑related qualifications, such as NVQs or Level 2/3 diplomas in building trades. Proof of health and safety training, like a CSCS card, is also useful.

Have you completed similar loft conversion projects in London before?

Ask if they’ve carried out loft conversions on properties like yours, such as Victorian terraces in Hackney or mid‑rise flats in Southwark.

Looking at photos of their past loft work on their MyBuilder profile can give you a clear idea of their experience.

How do you maximise space in compact London homes?

Ask how they design lofts to make the most of limited headroom and awkward roof shapes, especially in tight terraced houses or flats, so your new room feels generous and functional rather than cramped.

How do you handle noise and disruption in dense London boroughs?

Find out how they manage noise and timing in busy areas, sticking to council‑approved hours (usually 8am–6pm on weekdays) and planning noisy tasks so they cause as little disruption as possible to you and your neighbours.

How do you handle planning permission and building regulations?

Established loft conversion companies in London 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?

Make sure 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.

FAQ: Common questions about loft conversions in London

Can I live in my home while a loft conversion is being done in London?

Yes, most people stay in their home during a loft conversion in London, but expect some noise, dust, and disruption while the work is going on. A good loft conversion company will plan around the mess and keep things as tidy and manageable as possible.

Are loft conversions worth it in London in terms of added property value?

In London, loft conversions are often worth it because they add usable space without extending sideways or out the back. A well‑done loft can lift your home’s value and make it feel more spacious and modern at the same time.

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 London before agreeing to start the work.

Do I need planning permission for a loft conversion in London?

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 London loft conversion company can advise and handle permissions for you.

Can my house type in London be converted into a loft?

Whether you’re in a North London terrace, a South London flat, or a Victorian house in East or West London, attics in most properties can be converted into a loft. A local loft conversion company can check your roof shape, ceiling height, and local rules to confirm what’s possible for your home.

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