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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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At Custom Carpentry & Construction we offer all aspects of carpentry and refurbishment services from Kitchen installations to full refurbishments we cover it all. what sets us off from the rest is our bespoke carpentry services that can be tailored to suit any need. we pride ourselves on our professional approach and customer satisfaction is a priority.

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Reviewed by Susan on 10/9/2024

Joe's done a brilliant job retailing my front porc h. I'd definitely recommend him, and use his services again.

I’m hard working and friendly person that like to meeting new people and help them. Doing carpentery, made to measure furniture, loft conversions and extensions, staircases, fitt kitchens and bedrooms, wood flooring, assembling furniture and fitting it, also fitting doors and windows, change locks. Also can undertake any handyman and garden work. I’m finished building and carpentry colledge 21 years ago. Ever since enjoing to work in building trade.

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Reviewed by flora on 29/3/2025

Andriy was amazing to work with. He took the time to find the right solution for my loft ladder with great communication. The ladder itself is beyond my expectations, really solid and it looks great. Andriy went above and beyond to get the project done really well and quickly. Will definitely be asking him to help with more work in the future.

Eley Plastering are a trusted, professional business with over 16 years experience. We pride ourselves on our quality workmanship and our attention to detail. We offer exceptionally high standards at very competitive prices. All work is fully guaranteed.

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Reviewed by Jessica on 19/5/2024

We hired Eley Plastering for some Render work and our home now looks beautiful. Very happy with the outcome. Robert was professional and reliable. We have contracted them for further work throughout the summer to further improve my home. Would recommend to anyone.

With over 10y on to construction industry,we operate a small family business owner aimed to provide an high quality services across the trades we offer, We have over 5y experience doing painting and decorating works leaving behind smile and the best experience, From Tv wall mountings to removals, storage ,and refurbishment,we cover all aspects of works . For a friendly man part of the team on site ,please don’t hesitate to get in touch with us..

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Reviewed by Kat on 19/2/2025

Alex was great. Got the job done under tough time restrictions. Really happy with the work

Hello im Valentino, professional painter and decorator with 18 years of experience, good communication with customers, dynamic, hardworking, with high quality standards and qualified with NVQ level 3 painting and decoration.

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Reviewed by Timothy on 1/3/2024

With over 20 years experience in the building industry specialising in extensions , new builds , conversions , and structural alterations we can provide you anything from a small brick wall to a full turnkey project with all certifications We always aim to elevate expectations.

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Reviewed by richard on 3/8/2017

insisted on sealing around conservatory roof with silcone sealant instead of fitting flashing even after repeatedly asking for flashing to be fitted, when roof inevitably leaked would not return to rectify and not returning phone calls/texts

Hallmark Kitchen and Bathrooms use NICEIC approved electricians Part P &17 Edition Qualified and use gas safe heating engineers. We do the work from start to finish or part fit inclusive of tiling, plastering, carpentry and rubbish disposal. OAP discounts

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Reviewed by maria on 6/3/2025

Lovely man. Done a great job on our shower also fixed taps while he was here. Very reasonable prices as well

Skyline roofing and Upvc is a family run professional, reliable roofing company with unrivalled expertise in the industry. We focus on providing all types of roofing repairs giving each customer an outstanding quality service and the highest finish which is made to last. Whether you are looking for a full re-roof or minor repairs we apply the same standards to all our work no matter how big or small the job. We believe that everyone should receive a great service that will protect their property for many years. No job is to small or to big don't hesitate to be in contact!!

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Reviewed by Gemma on 18/11/2024

Quick response and to visit to quote. Efficient work, tidied up when they finished and completed additional repairs as well.

Our building services company RMR Building & Renovation Ltd has over 15 years’ experience in the industry. We have been helping customers in London/Essex and the surrounding 10-mile radius by providing professional, trustworthy building services. We know it can be hard to find a builder that you can rely on. RMR Building & Renovation Ltd has a wealth of experience and is known as one of the best builders in Essex. We pride ourselves on providing a professional, caring and high-quality service and always meet our customers’ needs. Each contractor that works for RMR Building & Renovation Ltd is fully qualified and insured and delivers on timekeeping, quality of work and value. We offer a full range of building services, from major rebuilds to smaller jobs such as masonry repairs, including: New Builds Alterations, Extensions & Conversions Brickwork Concrete Plastering & Screeding Tiling Painting & Decorating Kitchens & Bathrooms Roofing Services Re-pointing Septic Tanks Excavation Services Soakaways Foundations External Works Drainage If you are trying to find a builder near you, why not give us a call? Our friendly, professional team will be happy to talk through your needs and give you a free, no-obligation quote.

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Reviewed by Geethumol on 31/7/2024

Professional, quality work,worth money

As a painter and decorator based in London, I’m passionate about transforming spaces with artistry and precision. I have a keen eye for detail and love bringing fresh ideas to life, whether it’s a cozy home, a vibrant office, or a chic commercial space. Using high-quality materials and innovative techniques, I ensure flawless finishes that reflect your personal style. I’m committed to exceptional service and client satisfaction, and I strive to turn your vision into reality, creating beautiful environments that inspire and uplift. Let’s work together to make your next project truly special. All my work is fully guaranteed and covered by public liability insurance. Please do not hesitate to contact me for friendly advice or a quote.

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Reviewed by Diane on 6/12/2024

Fast, reliable and professional

Hi this is Mo from Britefinish, handyman with over 10 years experience. The wide range services offered with honesty reliability punctuality and professionalism. Handyman Services offered : All Flat Pack Furniture Assembly TV Wall Mounting Door Fitting/Trimming Fitting door Handles, latches, locks,etc Flooring: Laminate, vinyl, carpet, decking etc Odd Jobs e.g fix kitchen cabinet doors and drawers & floating shelves and mirrors Bespoke Furniture Fitting Flatpack Bookshelf/Bookcase Assembly Floating Shelves Fitting Curtain Pole Fitting Roller Blinds Fitting Kitchen Cabinet/Unit Fitting Kitchen Worktop Fitting Hanging mirrors Interior Door Installation/Fitting Internal Locks Britefinish assemble all types of flat pack items including: wardrobes, chest of drawers, beds, kitchen units, sheds, gym equipment, guest beds, bunk beds, office desk, chairs, sofas, garden furniture, home furniture, office furniture, swing sets,bikes, exercise equipment .... Britefinish assemble flatpack furniture items from major retailers: Ikea, Argos, Bensons for beds, Tesco,The Range, John Lewis, Dreams, Harveys, Very, Wayfair,Wickes, Tesco, B&Q, Amazon, Ebay, etc

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Reviewed by Soraya on 18/12/2024

Great work, very reliable and efficient.

We are a family owned company, that was established in 2006. We specialise in the fitting of kitchens, bathrooms, bedrooms, Garage conversions, Cladding and so much more.. We have a large portfolio of our work, Our tradesmen are all time-served in the trades and boast the relivent qualifications needed to carry out there tasks. please also feel free to take a look at our Facebook page Marden Carpentry Services for more pictures of the works undertaken.

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Reviewed by Vicki on 20/2/2025

Welcome to AM Maintenance, We specialise in all aspects of building and maintenance works. Ranging from a leak in the roof or a new bathroom. we have an extensive range of services at competitive prices whilst delivering quality.

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Reviewed by Nicole on 5/11/2024

Dan & team did a fantastic job throughout and we are so pleased with the end result. They've transformed our home. Would highly recommend to anyone looking for a builder they can trust. Thanks again!

About 20 years experience in particular kitchen fitting, bathroom refurbishment, plumbing and basic electric work

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Reviewed by Micheal on 8/11/2024

Small family based company. Pride ourselves in providing an efficient, clean and professional work. We specialise in interior plastering but also provide services for a range of other trades such as: TILING - ELECTRICS - FENCING - BRICKLAYING - GROUNDWORKS - PLUMBING - CARPENTRY

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Reviewed by Raj on 16/11/2024

Amazing finish, just the kind of person who relates to the request required, can’t thank him enough for this work. Prompt on time and day set, worked around the family members in the house at his pace, highly recommended to others that need work done. 100% will be calling him back on others parts of my house that need to be done in 2025.

Modern landscaping, Groundworks and Drainage specialists. Transforming your outdoor spacing into something amazing, you’ll be able to see the final product before we even start with our 3D digital design package. Also installing, repairing and surveying drains both domestic & commercially. Don’t hesitate to get in touch, free quotations and free advice.

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Reviewed by Anne on 3/4/2024

Very efficient, polite and organised. Really happy with the work and quote. Would certainly recommend.

Lambarde is located in the Sidcup area and covers most of the South east, we have a combined experience of 62 years, I started carpentry and building work as soon as I left school then going to college for two years becoming a fully qualified carpenter with Levels 1,2, NVQ Diploma. All of our team carry public liability insurance, so you’re in safe hands. We also work alongside other fully qualified trustworthy tradesman for our refurbishment works. We pride ourselves on: • Workmanship • Time keeping • Honest communication Portfolio on Instagram: Lambarde_ We specialize in: • extensions •.Loft conversions • Kitchens • Internal and external doors • Skirting and architrave • garden room/man caves • wall panelling • Roofs cut/pitched • Decking • Flooring laminate/herringbone • Ironmongery • Cladding • Refurbishments • Painting and decorating Free quote available

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Reviewed by Mark on 7/1/2023

Scott and his team did a fantastic job with our loft conversion. He was approachable, honest and friendly throughout. But most of all an excellent carpenter who did a first rate job with our loft and also dealt with our many requests and amendments with patience and professionalism. I have recommended Scott to friends and neighbours already and would recommend him for any work you are doing.

The smallest details can make a real impact when it comes to designing a space, but only a true professional knows how to bring these details together to create a seamless design. That’s where Complete Kitchens And Renovations comes in. With over 35 years experience and a team of skilled tradesmen you'll be in safe hands. ? We work throughout the South-East providing bespoke home renovations and extensions tailored to our clients’ needs. ? From a small kitchen installation to a full house renovation, no job is too big or small.

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Reviewed by sandra on 28/3/2024

Very happy with result.

Classic roofing we are a family run business we are dedicated to making your roof water tight we have over 30 years of experience and only use the finest roofing products

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Reviewed by Alex on 21/6/2022

John gave me a fair and honest quote for the job, and was prompt and polite throughput. Overall good recommendation

Keep it Klean offer a wide range of internal and external cleaning. We also cover a wide range of general building and maintenance: Driveway/patios, Roofing, Fencing, tree felling and clearances. We are a professional, reliable and honest company.

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Reviewed by Gordon on 7/1/2021

Swift and helpful

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