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Loft Conversion Specialists in London

Find a loft conversion specialist in London for your loft or attic conversion project.

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London / 25 mi
Loft Conversion Specialists
1 – 15 of 261 professionals
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261 Professionals

Featured Reviews for Loft Conversion Specialists in London

LMB Group Ltd
Loft Conversion Specialists in London
Average rating: 5 out of 5 stars4 July 2026
“Built a great relationship with Lee ahead of signing up, talking through step by step of how the build would go, answering all technical and broader questions. Lee’s years of expertise clearly shows. Quality of work & workmanship on rear dormer loft conversion was excellent. Yan and his team were brilliant, knowledgeable and skilled as were the plumbers (Matt) electricians (Matt) and carpenters (Jermaine). The LMB office (Jo & T) were great at resolving queries as they arose.”
LCCL Construction
Loft Conversion Specialists in London
Average rating: 5 out of 5 stars5 February 2025
“Alex is super professional and on the ball at all times. He always thinks ahead and won't let you down. All his teams, from bricklayers, carpentry to electrics, roofing, tiling, painting, flooring and plumbing are excellent and hard working. They are all friendly yet professional. They are conscientious and want the job to be well done. Would really recommend this company that has a lot of experience working across London and with the different Councils, especially with garden and loft extensions. We are very happy with our loft extension which includes a brand new kitchen. LCCL showed great attention to detail. They did a fantastic job!”
Plus Rooms
Loft Conversion Specialists in London
Average rating: 5 out of 5 stars15 October 2023
“Excellent service throughout - I highly recommend Plusrooms and wouldn't hesitate to use them again. Three things really stand out compared to other firms we've used in the passed: Firstly, they know the work extremely well - they focus on extensions and conversions of London property and they clearly had extensive experience doing jobs exactly like ours (side-return on a victorian mid-terrace). They had seen it all before an knew exactly what to expect. Secondly, they really understand their clients. Major building works can be incredibly stressfull, particularly when juggling jobs and kids etc etc. Plusrooms really understand this and our project manager (Scott) was exceptional. Thirdly, their workmanship is top-quality (plenty of photos online that show this). I highly recommend them and would definitely use them again.”
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Loft Conversion Information
Cost
£40,000 on average
Types of Loft Conversions
Dormer loft conversion, Hip-to-gable loft conversion, Mansard loft conversion, Velux, Bungalow
Project Length
Typically 4-12 weeks depending on type of loft conversion
Is planning permission required?
Not usually unless you live in a listed building or conservation area, or are planning to change the height or shape of a roof
Loft Conversion Specialist FAQs
The cost of a loft conversion can vary significantly depending on the size and type of conversion. The average cost for a basic loft conversion starts at around £20,000, but prices can range from £15,000 to £40,000 or more, depending on the specific requirements.
The length of a loft conversion project is typically 4-12 weeks, this depends on the type of conversion you choose and the property where the work will be undertaken. When speaking with a loft conversion specialist, they will be able to advise on the timescales for the project.
Loft specialists can help you transform your loft into a living space, be that a bedroom, bathroom, study or more. Loft conversion specialists particularly focus on:
  • Loft Conversions
  • Loft Refurbishment
  • Loft Staircase Installation
  • Window Installation - Velux & Skylights
    • Just answer a few questions to get matched with a local loft conversion specialist.
    Or browse through the list of loft conversion specialists in London on Houzz:
    1. See London loft conversion specialist profiles, dive into their work photos and check out customer reviews.
    2. Reach out to the pro(s) you want, then share your vision to get the ball rolling.
    3. Request and compare quotes, then hire the loft conversion specialist that perfectly fits your project and budget limits.
    There are 261 Loft Conversion Specialists registered on Houzz in London.
    Why Hire Loft Conversion Specialists on Houzz?
    261Local Pros on Houzz Who Serve London
    95,000+Total Number of Reviews Left by Homeowners
    Are you struggling for space? Unable to have an extension or basement conversion? The only way is up! Converting your loft to make it usable is a great way to add value to your home and add extra space. Loft conversions also tend to be more cost-effective than other extensions, as they don’t take space from your garden and usually don’t need planning permission. Hiring a London loft conversion specialist is the best thing to do if you are thinking about converting your attic.

    If you are looking to add room and utilise your unused space in your home, using Houzz to hire a loft conversion company in London near you is the first step. On Houzz, you can discover top-rated loft conversion specialists near you in London. You can view their profiles which feature images of previous projects, reviews from other Houzz customers and more information on the services they offer. If you are unsure where to start when looking for the right loft conversion specialist for you, use our expertise! Simply enter your postcode above and answer a few questions to allow us to match you with top loft conversion specialists near you.