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Viktor and his team thanks so very much for all your hard work these guys know how to give a professional job very approachable nothing too much trouble they just get on with the job so we didn't have too worry would have them back in a heartbeat

Linda

Andy was super fast getting touch, provided a great service at a reasonable price and kept me well appraised of all aspects of the job throughout. I am very happy with the service provided and would highly recommend him.

James

Lee and his team worked incredibly hard and communicated well to let us know when they would be doing the work. They were always professional and courteous and often worked on weekends to speed up the work. We are really pleased with the quality of the finish and would thoroughly recommend the company.

Ian

Unlock the potential of your home with expert loft conversion companies found on Rated People. With hundreds of trustworthy tradespeople ready to transform your attic into a valuable living space, you’re just a click away from starting your project. Whether you’re looking to add a bedroom, office, or entertainment area, our platform connects you with professional loft converters who can bring your vision to life. If you specialise in loft conversions, join Rated People to access a wide range of job opportunities from homeowners looking to expand their living space.

Browse Loft Conversion Specialists

Take a look at our Loft Conversion Specialists profiles, read reviews and request quotes directly.

Find Loft Conversion Companies Near Me

What can loft conversion companies help with?

Loft conversion companies, mostly comprised of a number of skilled builders, offer comprehensive services to maximise your home’s potential, including:

  • Design and Planning: Crafting detailed plans that comply with local building regulations and improve space efficiency.
  • Structural Alterations: Strengthening floors, adjusting roof structures, and modifying the loft space to accommodate new room layouts.
  • Insulation and Ventilation: Ensuring that the new space is comfortable, energy-efficient, and meets all thermal and acoustic insulation standards.
  • Windows and Natural Light: Installing skylights, dormer windows, or Velux windows to bring natural light into the loft area.
  • Stairs and Access: Designing and installing safe and aesthetically pleasing access points to the new loft space.
  • Utilities and Services: Extending electrical wiring, plumbing, and heating to the loft, including the installation of new heating systems or air conditioning as required.

What should I consider when hiring a loft converter?

  1. Are a skilled company with a strong history of high standard projects  
  2. Have all the necessary licences and insurance needed to protect you and their workers 
  3. Have a good range of positive reviews from previous customers vouching for their reliability  
  4. Are offering the tree surgeon services you need, and are available to carry out the work in the timeframe you need it to be completed by 
  5. Are quoting a price and payment option that you are happy with, having compared the quote with other tree surgeon companies  

How much do loft conversions cost?

The cost of a loft conversion varies widely based on several factors, including the type of conversion, the size of the loft, the materials used, and your geographic location. Understanding these factors can help you budget appropriately for your loft transformation project.

Types of Loft Conversions and Cost Implications

  1. Velux Conversions: Often the most cost-effective option, Velux conversions involve installing roof windows without altering the existing roof structure. Prices generally range from £22,500 to £30,000.
  2. Dormer Conversions: These are among the most popular types of conversions. They involve extending the existing roof to create more headroom and usable space. Costs for dormer conversions typically range between £40,000 and £60,000.
  3. Hip-to-Gable Conversions: This type of conversion changes the sloping side of a roof (hip) to a flat side (gable), increasing the usable interior space. They are suitable for semi-detached and detached homes, with costs ranging from £50,000 to £70,000.
  4. Mansard Conversions: Involve replacing one or both roof slopes with steeper sides and a flat roof on top, dramatically increasing space. These are more complex and can cost between £50,000 and £80,000.
  5. Modular Loft Conversions: These are built off-site and then installed, minimising disruption and construction time. Costs vary from £30,000 to £60,000 depending on the design and materials.
  6. Bungalow Conversions: Since bungalows have a single-story layout, converting the loft can almost double the living space. These conversions generally cost between £62,500 and £87,500 due to the larger area covered.

Additional Costs to Consider

  • Design and Architecture Fees: Depending on the complexity of the project, architectural services can add 10-15% more to the overall cost.
  • Planning Permissions: If your conversion requires planning permission, this will incur additional costs for the application process.
  • Structural Alterations: Major structural changes, like reinforcing floors and altering roofs, can increase costs significantly.
  • Building Regulations: Meeting building regulations is essential and will require spending on inspections and compliance measures.
  • Interior Finishing Costs: These include costs for fixtures, fittings, electricals, and decoration, which can vary widely based on your choices.
  • External Access: If scaffolding or other external access equipment is needed, this will also add to the project cost.

Budgeting for Your Loft Conversion

To ensure you budget effectively, it’s advisable to obtain multiple detailed quotes from different contractors. Each quote should break down all the costs involved, including a contingency budget of around 10-20% to cover unexpected expenses during the construction process. This detailed planning helps in avoiding surprises and ensuring your loft conversion stays within financial bounds.

Not sure about a loft conversion? Why not check out our house extension, garage conversion and cellar conversion pages to find more ways to transform your home.

Other loft conversion FAQs

What is the 10 year rule with loft conversions?

This rule refers to obtaining a certificate of lawfulness for an existing use of a converted loft if it has been in continuous use for at least 10 years without planning permission.

Is a loft conversion cheaper than an extension?

Generally, loft conversions can be cheaper and less disruptive than building an extension, as they often require fewer structural alterations.

Are loft conversions very cold in the winter?

With proper insulation and heating solutions, a loft conversion should be as warm and cosy as any other part of your home.

Sign up as a loft expert

Joining Rated People as a loft conversion expert provides you with unparalleled access to homeowners actively seeking to enhance their living spaces. By signing up, you not only increase your visibility but also tap into a vibrant marketplace where demand for skilled loft specialists continues to grow.

As a member, you will benefit from a streamlined process that connects you directly with potential clients in your area. You can showcase your previous projects, share customer testimonials, and highlight your specific skills, all of which help build trust and credibility with prospective clients. Rated People also provides tools to manage inquiries efficiently, allowing you to respond quickly to job requests and schedule appointments at your convenience.

Sign up today and take advantage of Rated People’s extensive marketing and support to grow your business, reduce the time spent on seeking new clients, and focus more on delivering high-quality loft conversion services.

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With over 10 years of hands-on experience, I am a skilled and reliable multi-trader, specialising in bricklaying and painting & decorating services. I take pride in delivering high-quality workmanship, attention to detail, and a professional finish on every project. My work consistently receives excellent feedback from clients, and I’ve built strong, lasting relationships through trust, reliability, and clear communication. Whether it’s residential or commercial work, I approach each job with dedication and a commitment to exceeding client expectations.

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Reviewed by Charlie on 22/10/2025

A good job done. The foundations were well within the requirements for the building placed on top. He was also courteous and kept everything tidy.

We have been in the trade 15 years We offer driveway cleaning roof repairs and cleaning landscaping gutter repair and cleaning exterior painting de weeding free estimates and advice 

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Reviewed by Bala on 31/7/2026

Great work replacing the decking & treatment applied. Only negative to be cautious is that Dave Quoted a price to replace the entire decking & we agreed to proceed. Dave ripped off all the rotten wood as prep. Next day he comes back bumping up the price few hundreds saying prices of wood increased. I might have felt threatened at some point that he’d stop the work if I didn’t agree. Was forced to agree on the new price to get the already ripped off decking work completed.

Qualified Domestic Gas Engineer specialising in Heating Installation, Repairs and Maintenance inc. Landlord Safety Surveys and Power Flushing Services. Fully Insured with 24hr callout. INTERGAS HRE Platinum 5 Installer.

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Reviewed by Graham on 15/2/2023

Very professional with good, clear communication. Job was first class with full explanations and a fair price.

Family business, professional & reliable. We specialise in home improvement, renovations, conversions, kitchen fitting, doors, windows, fencing flooring and maintenance work. We turn up on time, do a great job and get paid when our customer is happy.

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Reviewed by Darach on 2/5/2017

Great job done fast and efficiently. Would recommend.

Watertight home improvements Don't move-IMPROVE & ADD VALUE TO YOUR PROPERTY.We specialise in ALLroofing,all types of building &.DPC.work & uPVC roofline.Approved & certificated installers of EPDM Firestone RubberCover roof system.FULLY,INSURED 100 RADIUS

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Reviewed by wendy on 23/11/2022

Fantastic service. Honest and reliable. You get what you pay for. Workmen were lovely too. Definitely recommend this firm.

Fairmont Roofing & Stonework is a specialist roofing and stone masonry company dedicated to preserving and enhancing homes through exceptional craftsmanship. Combining traditional techniques with the highest quality materials, we deliver roofing and stonework built to stand the test of time. From heritage restorations and natural slate roofing to chimney rebuilds, leadwork and bespoke stone masonry, every project is completed with precision, integrity and an uncompromising attention to detail. At Fairmont, we believe true quality isn’t just built—it’s inherited.

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Reviewed by Elizabeth on 7/5/2025

Got in contact very quickly and arrived to do the job next day. Friendly and helpful.

At Erne Property, we believe that every project is an opportunity to build not just structures, but lasting relationships. With our dedicated team of skilled professionals, we deliver high-quality craftsmanship and personalized service tailored to your unique vision. Whether it's residential renovations or commercial builds, we prioritize your satisfaction and the integrity of our work. Let us turn your dreams into reality.

BYKO avatar

BYKO

Loft Conversion Specialist

Byko is a family owned business . Our workforce is fully qualified and experienced at working in domestic and commercial properties and carrying out construction services, property maintenance and installation work for our customer.

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Reviewed by Hussain on 15/5/2017

Excellent, can't praise them enough. Professional job.

At Buildstead we offer bespoke building services: Extensions, Loft conversion, Kitchens, Bathrooms, Electrical, Heating/Plumbing, etc. Whatever your requirements may be, we are more than happy to discuss your needs and requirements and offer a solution.

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Reviewed by Tom on 4/3/2020

I would definitely use Igor again. Positives were: - friendly & helpful - accommodated all our changes - good standard of work - stuck to Budget and I believe he genuinely did everything he could to help make our project affordable - has come back to investigate minor issues even after final payment There were some inevitable delays. Some were entirely our fault though - only improvement for future projects would be earlier warnings if delays foreseen.

Thank you for looking at Gecko Designs Checkatrade page. We can provide all aspects of Carpentry and Joinery, Furniture and Cabinet Making, Kitchens and Decking. and much more. If it is site Carpentry or items manufactured in our workshop we are happy to help. We are happy to look at any job no matter how large or small, and will cover all your woodworking needs.

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Reviewed by Brian on 3/11/2016

Nikki was excellent in all aspects of the job, and we will definately be using him again

All Property work undertaken. No job to small. Over 30 years experience. Give us a call or email for any advice.

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Reviewed by Lorraine on 10/4/2022

Very pleased. Provided reasonable and prompt quote. Fully assembled gazebo from kit form (ordered online) including shingles roof. Very amenable and helpful in making adjustments where necessary for uneven patio and in final positioning of gazebo. Worked professionally and consistently. Could not fault.

FBC avatar

FBC

Loft Conversion Specialist

We are a local firm with over 50 years building experience, my son Gareth is a CICS Gold card Carpenter & my oldest son is a City & Guilds advance craft Bricklayer as am I. All of our staff are qualified in their respective trades. We build extensions, carry out house repair & maintenance work, patio and slabbing work, groundwork and excavations, General concreting work, drainage and much more. We fit new kitchens, stairs, doors and windows, all carpentry work undertaken. We have many passed clients who are happy for us to pass on their details as a reference for new clients to use. We are also licensed waste carriers specialising in small loads of, mixed waste, rubble, timber and metal etc.

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Reviewed by Colin on 18/8/2026

A straightforward job done promptly and professionally.

As a family run business we are proud to offer you a service with over 20 years experience in the roofing industry, promising you an exceptionally high standard of workmanship. All aspects of roofing work is undertaken, regardless of size, including: •New Roofs •Extensions •Flat Roofs •Felt & Lead Work •Guttering •UPVC Fascias and Soffits •Tiles •Slates •Pointing •Ridges •Velux •Moss Cleaning •All Repairs We have offered our speciality to happy customers across all of Wiltshire ? Please feel free to call for us for any advice and quotes free of charge.

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Reviewed by Barbara on 9/12/2023

Responded very quickly and gave me a quote. I particularly liked that they used a drone so that I myself could see what was going on on the roof - both flat and pitched. Pleasant to communicate with also.

we are a small family run business with over 20 years experiance we pride ourselves on work by recomendation.We are gas qualified engineers and specialize in boiler refitts and all aspects of the plumbing trade with a no job to big or small

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Reviewed by Jon on 1/6/2023

Quick response, on time, efficient friendly and helpful. Faced with a problem happily found a solution.

Proskill construction offers general contracting services and is mainly located in kenton, Harrow. Our mission is to perform for our customers the highest level of quality. IN Our Work We Pride, Quality Is What We Provide

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Reviewed by Susan on 22/7/2019

Very pleasant and reliable. Came on time for quote, provided quote in timely manner, we arranged the date and John and his mate came and did a lovely job of our patio: breaking up old concrete, laying new, then laying tiles. The work was clean and tidy and the tiles look nice.

A joiner by trade but an experienced tradesperson in a number of home related areas including kitchens, bathrooms & maintenance

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Reviewed by C on 8/7/2026

With over 20 years experience In Windows and doors installation We a wide range of pvc and aluminium products No job is to big or to small for our team

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