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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
Find everything you need to know about hiring a local cellar conversion specialist. Extend or renovate an existing basement, or excavate a new one from scratch. Below, we cover tips to help you find a basement conversion specialist:
Browse Cellar & Basement Conversion specialists
Take a look at our Cellar & Basement Conversion specialists profiles, read reviews and request quotes directly.
How to find a reliable, local basement conversion specialist
A basement conversion has the potential to add a lot of value and space to your home. Once your team excavate your new basement, you can turn it into a bedroom with an ensuite bathroom, a new gym, a living room, or any other living space.
Transform your underground spaces into useable rooms with the help of a skilled cellar conversion specialist in your local area.
What does a cellar conversion involve?
If you already have a basement, then you might be looking to turn it into a liveable space by adding structural supports, damp-proofing, insulation, heating, and a new ventilation system. If your cellar was intended for storage and has low ceilings, your basement conversion team might have to dig down to increase the head height before they can add things like new plumbing and electrics.
Or, you might be thinking about extending your current basement, such as by digging underneath your garden. This is another great way to add more space and additional rooms to an existing basement.
If you don’t currently have a basement, you can also create a new one by carrying out excavation work. As well as the basement, you’ll also need a new staircase.
Whether you want to build a cellar from scratch or want to turn your cramped storage room into a brand new living space, a basement conversion specialist can help.
Factors to consider before hiring a basement conversion specialist
On average, a basement conversion can take anywhere from 12 to 20 weeks to complete. Avoid stress and costly repairs down the line by hiring a skilled specialist to help you upgrade your home. Look out for basement conversion installers that:
- Are a skilled company with a strong history of high standard projects
- Have all the licenses and insurance needed to protect you and their workers
- Have a good range of positive reviews from previous customers vouching for their reliability
- Are available to carry out the work in the timeframe you need it by
- Are quoting a price and payment option that you are happy with, having compared the quote with other basement conversion companies
A local basement conversion specialist is more likely to respond quickly as they’ll be right around the corner and ready to help.
How much does a basement conversion cost?
If you don’t have space for a rear or side extension, and don’t have a loft to convert, then a basement conversion is a great option to maximise your home’s space. How much you’ll end up spending on your basement conversion depends on a range of factors, including:
- The size and layout of your basement
- How many structural changes will be needed, including extra support beams and underpinning
- Waterproofing and damp proofing costs, as well as the installation of effective drainage systems
- Whether you want a window well installed, which can help you introduce light into your basement
- Basement insulation and soundproofing
- Labour costs, which are affected by where you live in the UK
The average basement conversion costs between £120,000 and £160,000. For a more accurate quote for your specific project, speak to a basement conversion specialist today.
Do I need planning permission for a cellar conversion?
You won’t need to apply for permission for a cellar conversion, as long as:
- You’re converting an existing residential basement into a living space
- How you’re using it isn’t significantly different and the basement isn’t a separate unit
- You don’t alter the external appearance of the property, such as by adding a light well
- You don’t live in a listed building
Excavating a brand new basement which involves major works is likely to require planning approval.
For more information, contact your local planning authority or visit the Planning Portal website. You can also read our planning permission guide for more information.
Questions to ask before you hire a basement conversion specialist
Whether you’re looking to build a brand new basement or simply want to extend or improve your existing cellar, there are a few questions you should ask before you hire a specialist to excavate your new room:
Do you have public liability insurance and what does this cover?
While it’s not a requirement for them to have it, it’s a good idea for your basement conversion specialists to have public liability insurance to cover you and them against any accidental damage done to your home or personal injuries. Make sure to always ask your tradespeople what insurance they have before you hire them. This will guarantee protection for both parties.
How many years of experience do you have?
Knowing how many years of experience your basement conversion specialist has will allow you to pick a tradesperson who you are confident has enough experience to carry out a high quality job. When you’re finding a tradesperson through Rated People, head over to their profile to check out the pictures on their work gallery and their ratings and reviews.
Do you use subcontractors? If so, are they licensed and insured?
Your basement conversion specialist is likely to employ subcontractors. It’s a good idea to confirm the qualifications and insurance coverage of everyone who will be working on your project, including surveyors, structural engineers and electricians. Anyone working with gas needs to be registered with Gas Safe, and anyone installing electrics (in England and Wales) needs to be Part P certified to be able to self-certify their work. These tradespeople will have valid documentation that you can ask to check.
What is your estimated timeline for completing the project?
Knowing what the estimated timeline for completing the project is will help you set realistic expectations about how long your basement renovation will take to complete.
How much will the job cost?
Asking how much the job will cost will help you budget for your project and will ensure price transparency before you hire. How much you’ll end up spending depends on the scope of your project, and where you live in the UK, so make sure you add plenty of details when you post a job.
Heritage Property Specialists have been providing building and renovation services for both heritage / listed buildings and newer built properties throughout the South and South West of England since 2010. We specialise in both external and internal property renovation and maintenance covering many aspects of building from brickwork,roofing and repointing services to decking, garden design and full property refurbishment. With a skilled and knowledgeable workforce behind us,we can deliver a high standard of workmanship on budget and on time. We believe in trust, reliability and complete customer satisfaction and have instilled these values into our experienced workforce. For further information or advice please feel free to contact us.
Peter repointed cracks in brickwork. Very professional service and options for repair clearly expalined.
We take on all aspects of joinery and also can supply any other trade. We will always make sure a job is complete to a high standard
Gary was punctual and courteous. He was flexible in trying to satisfy my wishes and produced work of the very highest standard in a timely manner. Excellent!
A family run local business trading in North wales for over 20 years.We undertake all aspects of home improvements from a simple tap swap to full house refurbishments. Customer satisfaction is our number one goal!
From the very first conversation, Karl has been great to deal with. Any discussions about the job were clear and I felt confident throughout the time the job lasted. The project started on time and despite the weather the job was completed in good time. Plus an excellent result as well. Very pleased.
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A Carpentry company based in the heart of Birmingham taking on all kinds of work around The west midlands & East Midlands area, We work hours to fit tough schedules and time frames, weekends & bank holidays with vast experience in various trades in the construction industry, we offer a hassle-free service from start to finish. We offer full Joinery & Carpentry services. From Full renovations & Extensions, Flat Roofing, Outdoor structures, Door Hanging services, Boxing in, Decking, Stud walls, Floor Boarding, Laminate Flooring, Loft Boarding, Loft Hatches & Ladders, Loft Insulation, and also more complex work e.g. custom designed shelving, Wardrobes, Cupboards and Display cabinets. We also take on insurance work and offer a property maintenance service. 100's pictures on our page to describe further what we do. At HJ Barlow Developments Ltd we really do pride ourselves on our craftsmanship, work ethic and customer service, Our commitment to our customers really shows in our competitive prices, detailed quotes and our dedication to go the extra mile to make sure clients are completely satisfied with our work. We are a family and it is extremely important to us that we give a professional service to every single one of our clients and we endeavour to create a great working relationship & environment for them and ourselves. We are proud of our workmanship and strive to give each client the service they deserve. Fully insured to work on domestic and commercial properties and with vast experience in the industry, we offer a friendly and reliable service for all types of work from start to finish. Our call outs & quotes are completely free, we pride ourselves in always providing the fine details so the customer is never left in the dark at any part of their construction project. We have many contacts all around the midlands so if we can’t always help, we will know a trustworthy tradesmen that can, always available on mobile and email 7 days a week. Please see the photo section for more.
Harry has done a brilliant job. He was on-time, professional and also offered his insights on the job so I could make an informed decision. Completed the job really quick and cleaned up after himself. Have already contacted him about some other jobs I need doing. Could not recommend his services anymore.
Martons Building Contractors
Cellar & Basement Conversion
Martons Building Contractors is a trusted name in construction, known for our problem-solving skills, attention to detail, and innovative designs. Our mission is simple: to exceed the expectations of every client we serve. We offer a range of services including conversions, extensions, groundworks, new builds, and roofing. With a combined experience of over 100 years, our team of 5-6 professionals ensures that every project is executed with precision. While our core team is small, we have a network of reliable subcontractors for electrical and plumbing work. Based in Leeds, North Yorkshire, and Lancaster, we are dedicated to serving these areas with quality construction services. Choose Martons Building Contractors for reliable craftsmanship and a commitment to excellence in every project. All contracting works available and covered in and around Yorkshire.
Professional & Affordable Building & Landscaping Services We've been experts in building and landscaping projects since 2013, ensuring reliability and excellence in every service we provide. We offer a wide range of professional services tailored to meet your specific needs. Whether you require comprehensive building solutions such as refurbishments, kitchen services, flooring, and porch services, or meticulous landscaping services including wood decking, driveways, astro turf, patios, and fencing installation, we've got you covered. With a proven track record of delivering excellence since 2013, and with our fully insured services, you can trust that your project is in capable hands, ensuring exceptional results every time. With us, you can relax knowing that your work is in good hands. We prioritise reliability and transparency, offering you peace of mind throughout the entire process.
Hard working, fast, good price and tidied up everything at the end of the job. Recommended.
We are a friendly family run business of 3 generation's We offer a complete building service with all of our trades men in house. we have completed some major restorations such as Vermont hotel 108 bathrooms county hotel full conversion many extensions and house builds also maintenance for landlords and home owners give us a try and hope to see you soon.
Excellent. Did the work with no bother. Good price.
Family run Building company, established since 2002. We specialise in new, full builds, extensions and renovations, self build projects, kitchen and bathroom renovations, loft conversions. We undertake all building requirement’s.
Very efficient and friendly service. Highly recommended and will definitely use again. Thank you.
Five Star Construction is a family run business with the aim to provide affordable handyman and development works. We are full insured and all our operatives are fully trained for the work we carry out. Our friendly team are awaiting your call
Good value Very profession Quick and tidy workman Would definitely use them again. Regards Thomas
London Development uk ltd is our company, we have been trading for over 12 years in the construction business. - We are a fully insured company with a big portfolio of jobs completed and we are friendly and reliable on any work and business that is coming across. - We can do big jobs as new buildings or full refurbishments, basements, extensions, lofts conversions etc and also we can do small jobs as bathroom refurbishments or even smaller is always space and time for a new job. - We guarantee you that you will get the best workmanship on your job with best skills and acknowledge in the construction industry, time effective and costly effective for customers. Try our company and you will gain the benefits!!!
Peter contacted me and was amazing, professional with his quote and recommendation. Very clean, tidy service and very open and honest. Peter and his team are excellent builders.
I primarily work on all aspects of kitchen and bathroom fitting from fitting to services. However I have a long history of multi-trade work having completed high spec extensions throughout the years, no job is too small. I carry out property maintenance which involve carpentry plumbing and electrics as well as refurbishments all within the latest regulations.
Pleasant polite tidy, carried out work quickly and efficiently
Rated People 2nd Account
Cellar & Basement Conversion
With more than 20 years of experience in the home maintenance business, we can help you. We are a team of professionals, fully insured and qualified, Providing Handyman services to North Londoners. We're passionate about helping North Londoners: fit & hang pictures & mirrors fit & hang shelves fit & hang curtain pole & blinds fit & hang flat screen TV's fit & hang skirting and architrave fit & hang garden gates, interior doors, locks, handles and catches We're excited to help North Londoners: assemble flat pack furniture, wardrobes, sofa and beds dismantle and relocate furniture We love to help North Londoners with household repairs and maintenance, painting and decorating.
Established since 2001, I have delivered a variety of building projects efficiently, economically and stress free to very high standard. My services include Space Planning, Design & Build, Site Management (ACIOB). Project Management, Renovations and Refurbishment of both domestic and commercial properties. I pride my self on my ability to deliver the required project to the specified quality within the agreed duration & budget with a courteous and friendly approach throughout.
Very good, fast efficient and clean, Definitely recommend, Thank you Khal very happy with my new unit.
Page Developments undertake all aspects of building work, renovations and property maintenance across Cheshire.
Page Developments did a great job and really quickly
Aspray South West Thames manage property damage insurance claims. We act on behalf of the policyholder, negotiation the claim with the insurance company, then project manage the reinstatement works from start to finish. Aspray (South West Thames) is a trading name of G. D Property Services Ltd and is an Appointed Representative of Aspray Limited who are authorised and regulated by the Financial Conduct Authority for claims handling only.
Job done professionally and in a timely manner. Excellent Service.
General builders and energy saving specialists since 1994
Came out as arranged and said would give a quote for several jobs required including the damp repair .he said he would send quotes over on the friday 3rd november and am still waiting.
An accomplished business where customer needs comes first. We are a dependable team with 25 years experience. Our aim is to attain positive communication with our customers as well as providing reasonable prices for all our clientele. Our specialties expand to various qualities, and we are profoundly able in achieving and carrying out plastering and rendering, painting, boiler installations, unvented cylinders, gas safe checks, bathroom renovations and all home improvements. Collectively, our main goal is to ensure our customer is content and that our work reaches their full expectations.
An appointment was rearranged for Lewis and his Adrian to come and give me a quote for my driveway. They arrived on time.
Professional , friendly and thorough of customers needs . All types of property works covered with many skilled tradesmen . All works bespoke to requirement .
AVOID AT ALL COSTS I can't recommend Tom. Previously TH&Jones Ltd he has changed the company name. He has left us with an extension that doesn't meet building regulations and needs to be taken down. Our house unsalable. I have an independent report to support it. Insufficient foundation, no damp course, insufficient insulation, incorrect installation of roof. He said he would rectify if we paid for 'things unquoted' but failed to show exactly what. We haven't heard from him in months. Stay away!!
NORTH WEST LONDON RENOVATIONS is a well established, trustworthy, reliable and professional company. We serve Acton, Ealing, Hammersmith, Kilburn, Paddington, Brent, Westminster, Hampstead, West Hampstead, Primrose Hill and all surrounding areas of N, NW and Greater London. Our service is professional, caring, and high quality. Our customers rate us highly for our ability to stick to deadlines, and for the quality of our workmanship. We provide a professional service from the initial free quotation to the end professional finish. Our service is friendly, clean and tidy, and reliable. We consider no job as too large or too small and offer very competitive prices
Had scaffolding up very quickly. Started job on time and finished in a week. Very impressive. Good communications and reasonable price.
We are B&F pristine construction ltd partnership, build and renovate residential construction projects in London United Kingdom. We work in this field since 2001, our priority is always client to be happy and our job to reach high standard always.
Prompt efficient and the tenant was super happy. Full marks all round
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