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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.

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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  
Picture of a modern loft conversion with chequered sofa and large velux windows

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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Focal blinds avatar

Focal blinds

Loft Conversion Specialist

J S Roofing are a local company with exceptional standards & fully qualified. With over 22 years experience we can provide an excellent service whilst listening to individual customer needs & ensuring customer satisfaction. Please take a look at reviews.

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Reviewed by Mike on 2/9/2025

Jay fit time in his calendar for us really fast after the leak, and did a superb job, making sure everything was in fantastic shape up on the roof. Really easy to hire and excellent effort for what we needed.

We aim provide excellent customer service and workmanship. We cover all aspects of roofing work; de-mossing, roofs leaking, re-roofing pitched or flat roofs, fascia and soffit. CSH Roofing are your trusted contractors for all aspects of roof work. We aim provide value for money with a excellent customer service and workmanship. At CSH Roofing we cover all aspects of roofing work; de-mossing, roofs leaking, re-roofing pitched or flat roofs, fascia and soffit. Inc all works in between. We look forward to hearing from you and assisting in any questions or queries you may have.

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Reviewed by Matt on 7/12/2022

Really good work. They did a thorough inspection before quoting and kept us informed throughout. Would definitely use again.

KKCAGB avatar

KKCAGB

Loft Conversion Specialist

Hey I'm offering a wide range of services to help you improve your home. As a multi skilled handyman I can help you to complete your projects with careful and neat finish. I believe that any job needs to be done solid and correctly. Services I can provide: Painting and decorating Spray painting Tiling Flooring lvt, laminate, engineer wood floors. Kitchen and bathroom fitting Small plumbing and electrical works. Carpentry works as buildin warderobes and storages.

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Reviewed by Jas on 19/5/2025

Kamil did a great job for me. He has got very good attention to detail and made sure everything looked smart with sharp lines (as requested by me!) Fear not, go ahead and book him in!

We are a gardening and landscaping company and cover all types of work regardless of size. We take pride in our work and offer very competitive rates and we believe we offer a service like no other. We have built up a good reputation in and around Cambridge and Royston areas over the years. We have a passion for the trade and a understanding how important your outside space is to you.

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Reviewed by Peter on 12/2/2023

We have over 10 experience bathroom and kitchen supply and fitt or supply only .We also can do large development and loft conversion and extension on demand and customer needs .Please contact us for more information .

professional, trustworthy company clean and friendly, with over 18 years experience. We are a family run company with skills that have been passed on through generations. Every job is finished to an amazing standard at a very reasonable price.

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Reviewed by Lisa on 1/4/2025

Patrick was professional, friendly and thorough. Really pleased with the repairs and finish to my chimney that required attention. Wouldn’t hesitate to recommend to anyone, very trustworthy.

Unity roofing..Our company has provided exceptionally high quality roofing and building services to its customers for many years .We also offer a 24 hour emergency call out service 365 days of the year and free estimate's and advice.

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Reviewed by Rita on 3/9/2025

At Moss & Mortar solutions, we are committed to delivering exceptional workmanship and achieving the highest standards in all our projects. Our areas of expertise include landscaping, stone restoration, conservation and garden maintenance. We are dedicated to providing our clients with a professional and reliable service that exceeds their expectations.

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Reviewed by Nicola on 2/8/2025

Excellent work

25 combined years of experience within the construction industry. We provide a clean, neat and reliable service. We strive to do our best for each and every one of our clients no matter how big or small the job may be. We take on all aspects of masonry work. Garden walls, extentions, chimney stack removals, patios, repointing, traditional brickwork, lime mortar putty… you name it we do it!

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Reviewed by PHILIP on 22/1/2025

Fantastic work. Andy is very professional and knowledgeable. Prompt, friendly and very competitive prices. We are building a 2 storey side extension and Andy is doing all the building works. We have a very difficult set of footings which involves a line of trees close by. Foundations passed by Building Control with flying colours. Very satisfied and Andy will be quoting for other work I have planned and I am sure we will be working together for sometime now. Would recommend him to anyone.

C & N Constructions is a well-established company offering construction and landscaping services for both residential and commercial clients. Our faith: We believe in open and honest communication and shared goals which will generate greater continuity in workload and thereby provide sustained improvements in quality, efficiency & delivery. Our mission: To safely deliver any project, any time, in any environment for the benefit of our customers, shareholders, employees and the communities we serve. Company vision: C&N Constructions is committed to building long-term relationships based on integrity, performance, value, and client satisfaction. We will continue to meet the changing needs of our clients with our quality services delivered by the most qualified people. Get in touch and we can start asap! We offer free and no obligation project estimate.

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Reviewed by John on 29/6/2025

The job was to cut back a severely overgrown patch of garden. Chris & his team, Adrian & Cosmin, gave me a competitive quote, after coming to visit the site to assess what needed to be done. They started next day and completed the job quickly and to my complete satisfaction. The site was cleaned up & all waste taken away. I will definitely use them again and strongly recommend them.

Hi everyone , thanks checking my profile I’m Vas , have more than 10 years experience in construction I got level 3 diploma in carpentry, my main job is carpentry, but being in the industry so long I also can do handyman, fencing, ground work and foundation, decking, etc j

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Reviewed by Emre on 15/4/2024

Brilliant workmanship , did exactly how we needed the shelves to be made. Highly recommended

I'm a fully qualified builder & plasterer working on old and new properties. We specialise in Garage Conversions start to finish. New UPVC Conservatories. Single Extensions. Full Renovations. Building Alterations. All building work. All plastering work. - Artex ceilings covered. Plaster-boarding. Skimming. Patching. Building alterations. - Knock-throughs. Lintel installs. Stud walls. Repointing. Refurbishments. Conservatories. - Start to finish. Extensions. - Start to finish to current building regulations. No job too big or small. Always work in the cleanest safest way possible. Top quality assured. Fully insured/public liability. Free quotes and advice.

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Reviewed by Avala on 13/1/2025

I hired Tom trading as Plaster Master to repair bedroom ceiling and board the loft and install loft ladder and replace the loft hatch. He gave an honest estimate for the work and the time line needed to complete the project which he did on time. I won't hesitate to use his services again.He was extremely reliable and professional arrived at the time he said and he tidied up at the end of each day’s work. I thoroughly recommend him! A job extremely well done.Definitely a 5 star review

Our family has been mastering our trade for over 25 years, with two generations currently involved. We take pride in offering extensive knowledge and assistance to our clients, covering a wide range of areas when it comes to renovations and refurbishments. From the start of the project to its final completion, we offer help, guidance, advice, and assistance to create the perfect interior and exterior. Our services include comprehensive flooring solutions such as tiling, laminate installations, underfloor heating, and more. We also specialize in drywall/plasterboard installations, including unique shapes with hidden lights, cornices, and wallpapering. We are experts in every aspect of painting and decorating, and our true passion lies in creating bespoke, one-of-a-kind decorative plastering designs that offer limitless possibilities. From silky-smooth, polished, or shiny finishes to bold pearly effects, rough 3D-looking designs, and much more. We can even create custom-made paintings on almost any surface, including walls, ceilings, and mirrors. You can trust us to bring your vision to life with our exceptional craftsmanship and attention to detail.

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Reviewed by M on 11/10/2025

AVOID! Mr Art 13 (father&son) ABANDONED our 7-room project. Started 2 beds and a wetroom that now needs redone. After 10 weeks and 50% of the quote PAID, no room was left usable. Gave constant excuses for delays: “prices doubled,” “faulty pipes,” etc. They told us they DON'T CUT CORNERS and explained how coving screws should be filled and sanded, yet they paint over screws, leaving drips on the walls, flooring laid on an uneven base they poured, tiling on a dirty dusty wall, using unfit materials, etc.

I have good prices and my prime trade is plastering

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Reviewed by ruhana on 31/10/2025

Really good job, quick and easy and very honest price. Very nice person too

We specialise in all type of carpentry services in London and surrounding areas,from installing shelvs,fitting doors, to fitted wardrobes and new storage units,fit kitchens,flooring,decking etc. Don't hesitate to call us for a free quote!

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Reviewed by Robert on 30/6/2024

Simply great, came round took notes, went through all we wanted, gave quote including materials, required 50% up front rest on completion, turn up as agreed, said it would take a week but done in 4 days! We added a few minor things as we remembered them but no hassle, added them in. Very happy with results.

30 years plus of experience, all general work carried out. Clean and tidy worker always reliable.

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Reviewed by benjamin on 23/10/2025

came to quote, sent a quote through, arranged a day to start the work and never turned up. We rearranged the date, he turned up, had a cup of tea, left to get materials and never came back. Now not answering my calls.

All work done as asked all rubish taken away we dont mind traveling to give a free quote

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Reviewed by mike on 13/7/2025

Very good job

With experience from Italy and from U.K in painting and decorating. Wi try to doo our best for the client, to give quality , responasability,advice if its necesary in our jobs. We belive your home should reflect your personal taste and style.

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Reviewed by Anna on 6/6/2025

Had bathroom window sill and window repaired, excellent service, highly recommend. Came out and gave us a quote and then came to do the job within a week to high quality, well-priced and very efficient. Thank you!!

Hi, my name is Steve. I’m the owner of SHL roofing and building Limited I have 20 years roofing experience I am fully insured all my work is fully guaranteed

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