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Craig got in touch quickly, gave me a rough estimate over the phone and answered all my questions. Surveyor arrived on time, gave instant quote. Price was good. Michael and (another) Craig turned up to do the job on the day, time given. Good, tidy job. Can't fault anything, from start to finish!! Would recommend!
Mary
George and his team are experienced builders, replaced my front door with a custom frame/sidelights and raising the floor level in the hallway quite quickly - in fact, they were the only who came next day, gave a quote straightaway and were ready to start in just couple of days. They also had all the necessary tools and materials, were ready to buy something additional quickly on the day - if further adjustments were required to fit everything as I asked. Thanks a lot for your help, guys!
Dmitry
Highly recommend. These guys did a fantastic job of constructing our pergola and decking. Very hardworking and reliable. The job was completed in the time frame agreed and to a very high standard. We would 100% use them again.
Holly
Unlocking the unused potential in your attic is one of the smartest ways to expand your living space without sacrificing your garden or enduring the hassle of moving home. Whether you envision a light-filled master bedroom with an en-suite, a quiet home office, or a playroom for the kids, a professional loft conversion specialist can seamlessly build your vision. Rated People connects you with thousands of trusted, local building and design pros across the UK. Post your job for free today to get quotes from up to three local specialists.
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What can a local loft conversion specialist help me with?
Expanding your home vertically is an incredible way to gain space, but the structural style you choose will dictate both the internal layout and the exterior appearance of your property. Rather than a one-size-fits-all approach, a local loft conversion specialist can help you select from the four primary architectural styles:
- Velux / roof light conversion: The least invasive option, this style keeps your existing roofline completely intact. Your specialist will install flush roof windows, reinforce the underlying floor joists, and add a permanent staircase, making it perfect for properties where ample head height already exists.
- Dormer loft conversion: This is the most common extension method across the UK. It involves building a flat-roofed, box-like structure out from the sloping roof slope, creating a vertical rear wall that maximizes usable internal floor space and provides generous standing headroom.
- Hip-to-gable conversion: Standard on semi-detached houses or detached bungalows, this style straightens an inwardly slanted side roof into a vertical brick wall (a gable). This structural shift drastically increases the internal volume of your attic space, creating plenty of room for an extra bedroom and an en-suite.
- Mansard loft conversion: The most premium option, a mansard conversion essentially creates an entire new storey by flattening the top of the roof and sloping the outer walls inward at a steep 72-degree angle. It offers maximum design flexibility but requires major structural remodeling.
A local loft specialist understands your regional building styles and property types, ensuring your roof receives the precise reinforcement and structural changes it needs.
Post a job today to find a reliable loft conversion specialist in your local area.
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How much does a loft conversion cost on average in the UK?
Budgeting for a vertical home expansion requires a realistic understanding of current construction, material, and structural engineering fees across the UK. On average, most homeowners can anticipate an investment ranging from £25,000 to £75,000+.
- Velux roof light styles: These are the most budget-friendly, typically averaging between £25,000 and £33,000 as they require minimal alterations to your roof structure.
- Dormer extensions: For a classic rear dormer setup, prices generally scale from £45,000 to £65,000 due to the added labor and materials needed to build the new vertical walls.
- Hip-to-gable and Mansard builds: Because these styles involve altering primary external brickwork and complex roofing lines, expect costs to land between £50,000 and £75,000+.
Other essential variables that will influence your final estimate include professional fees for architectural design drawings, structural calculations from a qualified engineer, scaffolding hire, and internal finishes like plumbing an en-suite.
To receive a precise price tailored to your property's layout, post a job today to request free quotes from local loft conversion pros.
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Do I need formal planning permission to convert my loft space?
One of the biggest advantages of a loft conversion compared to a traditional ground-floor extension is that many projects fall neatly under Permitted Development (PD) rights. This means you can proceed without a lengthy local authority planning application, provided your design meets specific national criteria, such as not exceeding a volume allowance of 40 cubic metres for terraced houses or 50 cubic metres for detached and semi-detached homes.
However, your Permitted Development rights do not apply if your property is a listed building, sits within a designated conservation area, or if you plan to extend the roof height beyond the existing ridge line or alter the front elevation facing a highway. Even if your project qualifies for PD, it is highly recommended to have your builder apply for a Lawful Development Certificate to provide official proof of compliance when you sell your home in the future.
Other loft conversion FAQ's
Will my loft conversion need to pass UK Building Regulations?
Yes, all residential loft conversions must strictly comply with UK Building Regulations to legally guarantee structural safety and fire stability. A specialist will install heavy steel RSJs to safely support the weight of the new floor, as standard ceiling joists are not strong enough on their own. Inspectors will also check critical safety features, including proper thermal insulation, a mains-powered smoke alarm system, and a legally compliant, fire-resistant staircase escape route.
How long does a typical loft conversion take to build from start to finish?
A standard rooflight or dormer loft conversion usually takes between 4 to 6 weeks of active on-site construction to complete. The initial 2 to 3 weeks are structural and handled externally via scaffolding to minimise household disruption, while the remaining weeks focus on internal breakout, plumbing, electricals, and plastering. More complex projects, such as hip-to-gabled or full mansard installations, can extend the total build timeline to 8 to 10 weeks.
What structural factors will a specialist check before providing a quote?
Before drafting a quote, a specialist will conduct a physical survey to ensure your attic has a minimum usable head height of 2.2 metres from the bottom of the ridge timber to the top of the ceiling joists. They will also evaluate whether your home has a traditional cut roof with open rafters or a post-1970s fink trussed roof with W-shaped timber supports. While trussed roofs are completely convertible, they require more complex structural steel framing to replace the timber web safely, which impacts overall material and labor fees.
Whether you need a simple roof light upgrade or a major structural transformation, speak to a specialist today to receive a free loft conversion quote.
Alex Chiriac
Loft Conversion
Painting and Decorating -Preparing / Repairing / Refurbishment / -Walls / Celings / Wood Work / -High Quality Finishing / Hard Flooring / Doors / Frames / Skarting
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We are a well established Building Company with over 30 years experience. We specialise in all aspects of the building trade including electrics ,replacement windows and doors. We are active members of FENSA
The work itself was very good, and while on the job, they were quick, consistent and polite. Problems occurred with finishing off and a number of issues are still outstanding. There were mitigating circumstances - serious illness in the company - but communications with us have been erratic and we are left with a few outstanding issues that we have to deal with ourselves.
We cover all aspects of roofing. And most other building work Over 36 years of experience within the family
The work was assessed initially but on inspection more work was required and the quote was amended and the extra work carried out. The work was carried out efficiently and I was kept informed of the works progress. I am very happy with the work done by a very professional company and would use them again
We’re Harry and Charlotte, a husband and wife run building company recently relocated to Cambridgeshire. With years of hands-on experience, we take real pride in doing a proper job and looking after our customers. Every project is different, so we take the time to understand what you want and make sure it’s done right. Harry project manages every job to perfection and Charlotte ensures communication is smooth and transparent. Over the years, we’ve built a great team of trusted tradespeople who work with us on all our projects. We work across both domestic and commercial sectors, residentially, covering everything from kitchens and bathrooms to full refurbishments and renovations working towards budgets and expectations carefully.
Extremely pleased with the work carried out by Harry. A very pleasant, skilled workman who made a fantastic job under very tricky conditions. Would highly recommend him for any work you require.
Time - Served Joiner 43 Years Experience Advanced Craft Doors Frames - Doors - Flooring - Skirting Boards Etc Qualified Fire Door Installer Approved Wren Kitchen & Bedroom Fitter - Fitted Wardrobes.
House maintenance been in business more than 20years
Turned up late, didn't complete the job properly and wouldn't come back to rectify it! Would not recommend.
We are a well established company new to rated people We on a 0% deposit scheme giving our clients the reassurance needed that they have the right people for the job
These lads were brilliant, friendly, good work ethic, left the job tidy. I would use them again.
Neil Gordon
Loft Conversion
We are a family run business with over 50 years experience in the construction industry. All our work is finished to a high standard with an aftercare service to ensure the client is satisfied fully. Our services include extensions, bathrooms, windows, doors, electrical and plumbing as well as external works such as patio, fencing, paving, driveways, decking and landscaping. NLG Construction
CONSTRUCTUM CODE
Loft Conversion
****** Constructum Code building company ****** We specialise in breathing new life into your living space through our diverse range of services. Whether you're looking to maximise the potential of your loft, extend your home to accommodate a growing family or create bespoke outbuildings to suit your needs, we've got you covered. Loft Conversion: Unlock the hidden potential of your property with our expert loft conversion services. From simple attic conversions for extra storage space to luxurious master suites, we'll collaborate closely with you to design and execute a transformation that adds value to your home and enhances your lifestyle. Our team of skilled professionals will handle every aspect of the conversion process, ensuring that your vision is brought to life with precision and care. House Extension: When your home starts to feel a little cramped, our house extension services provide the perfect solution. If you're dreaming of a spacious new kitchen, a light-filled sunroom, or an additional guest bedroom, we'll create a seamless extension that complements the existing architecture of your property. From planning and permits to construction and completion, our team will manage every process step, ensuring that your new space is delivered on time and within the average extension cost. Outbuildings: Explore the possibilities of creative building with our custom outbuilding solutions. Whether you envision a home office, garden studio, or guest cottage, we're here to improve your outdoor living space. We'll collaborate with you to design a bespoke outbuilding that meets your unique requirements. With a focus on quality craftsmanship and attention to detail, we'll ensure that your new outbuilding not only blends seamlessly with its surroundings but also stands the test of time. We have highly qualified project managers with over 22 years of experience in the construction & building industry.
We offer bespoke furniture and construction to commercial & private clients. Fully equipped manufacturing facility with spray shop / in house tinting machines for paints and polished plasters. We offer: Home extensions Loft conversions Structural work Underpinning Internal refurbishment Basements Furniture, made to measure: Bathroom cabinets Kitchens Wardrobes and other bespoke furniture.
Monta Ltd where very professional and extremely helpful throughout our bathroom refurb. They offered advice throughout the process and never gave any hard sale but explained the options and what it would mean and cost for any changes to what we wanted. The final outcome was a beautiful bathroom that makes us feel like we are in a top class hotel.
Hi I’m Paul I set up KAL Building Solutions Ltd after successfully working as site manager working on refurbishments for some of the biggest names including Brewdog, Revolution Bars and Ask Italian to name a few where timescales were tight but always kept to budget and time. Prior to this I worked on the domestic sector ranging from refurbishments to structural works. We have invested a lot in quality tools which makes our job easier and helps to do the job more effectively.
Paul did a great job and kept us informed throughout. Very happy with the level of work done. Would highly recommend.
RED RIVER LOFT CONVERTERS LIMITED
Loft Conversion
We specialise in loft conversions, extensions, new builds and refurbishments, bathrooms and kitchens. All round we cover every aspect of your requirements With over 30 years experience you can feel safe knowing we can help from conception to completion. We are members of the Federation of Master Builders, NHBC So don't move, improve!!!
We have been established in the building and maintenance trade for 10 years and have a excellent worker/customer relationships, we offer all aspects of the building trade and garden maintenance/landscaping. We offer domestic building works, home improvements, all types of flooring, and landscape services. We offer competitive rates and with excellent working standards, no job too small. Contact us for a free quote. Thanks
Very happy with the LVT flooring that was laid for us. Would highly recommend and won't hesitate in using them again for future jobs. Thank you!
With years of experience in the building industry and a strong track record of positive client feedback, we specialize in delivering high-quality renovation and construction projects. From full kitchen and bathroom renovations to loft and garage conversions, home extensions, and bespoke garden rooms or offices — we have the expertise to bring your vision to life. Our focused, hands-on approach means every project receives our full attention from start to finish. We don’t split our time across multiple jobs — instead, we commit fully to each client to ensure efficiency, clear timelines, and exceptional results. We pride ourselves on our strong work ethic, where customer satisfaction always comes before profit. We offer free consultations and maintain clear, consistent communication throughout every stage of the project. Our goal is simple: to deliver outstanding work and ensure our clients are fully satisfied at every step.
Experience great craftsmanship from experienced builders; we are specialist in new builds, groundwork and all form of extensions and conversions. All our tradesman are qualified and well experienced. We are also members of FMB which shows our sites have been visited by a qualified inspector to approve the work is to a high and safe standard. We offer: - -weekly task list to keep you the client updated - long term savings on heating costs as we use the best materials and methods. - saving you costs in materials as we are partners with over 6 builders merchants. -quick turnover time with extensions taking 6 weeks. -10 year building gurantee
Abdul turned up to give me a quote and just had a really good vibe about him. He was very professional and kept me informed every step of the way. An itemised invoice was provided and updated after any change so I was always aware of my costs. The team he had working on my job were professional, punctual and very polite. The work performed was excellent, I am extremely pleased with the final product and would definitely use them again and I recommend them wholeheartedly (which I have already).
I am a professional kitchen and bath fitter, plaster and tilling also.
Great communication, professional worker reliable, hired to fit a suspended ceiling skim and plaster - excellent results a very good trades person to work with. Would definitely hire again.....
1st Rate Roofing
Loft Conversion
1st Rate Roofing is a small company that values reliability and craftsmanship over anything else. We are polite and always put you first, making sure you understand whats being done and how we are going to do it. We always charge a fair price and believe you'll think so to. We provide free no obligation estimates. We are very responsive to emails and calls!
td general builders
Unreliable...didn't turn up to view job as promised...didn't telephone me to explain why not...can't say about value and quality as didn't get that far
After working in the building and construction industry for many years we have a huge amount of experience from your simple diy work to full blown construction including extensions and driveways we take the stress away just leave it with us
Really pleased we went with Jamie and his gang. The standard and quality of the work completed was impeccable. Very clean tidy workers, polite, friendly, punctual and put us at ease. It was very clear from day one they had all been given clear instructions by jamie and they just cracked on and got the job finished in a timely manner. Really cannot find fault, will definitely make jamie my go to builder for any future projects
Mann Roofing
Loft Conversion
Mann Roofing & Building are highly experienced Building contractors, founded in 2003 by Richard Mann. We are a friendly team that takes pride in consistently delivering exceptional standards of workmanship for homeowners.
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