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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.
All brickwork,slabbing,steps,monoblocking,fencing & drainage.All landscaping and garden design.I have 40 years of experience,and have never left a customer unhappy with my work.I will offer the best advice for the job in hand.
James and his worker did a grand job. Professional, courteous, speedy and at a fair price
Welcome to GJ home improvement your comprehensive flooring and construction solution in Durham. Led by Gareth and his dedicated team, we take pride in offering a diverse range of services to transform your spaces into functional, stylish, and efficient environments. Flooring Expertise: At GJ Floor Screeding, we are your go-to experts for all things flooring. From gas membrane installation to underfloor heating, concrete, dry screed, and wet screeds, we handle it all. Whether you need a complete flooring overhaul or just repairs, our skilled team ensures a flawless finish and durability that stands the test of time. Beyond Flooring: Our expertise extends beyond flooring. GJ Floor Screeding is your partner for a variety of projects, including block paving, decking, bricklaying, and full garden renovations. We specialize in creating outdoor spaces that are as stunning as they are functional. Roofing and Guttering Repairs: In addition to flooring and outdoor projects, we offer roofing and guttering repairs. Our team is well-equipped to handle a range of roofing issues, ensuring the integrity and longevity of your property. Why Choose GJ home improvements Versatility: There's no project too big or too small for our team. From intricate flooring solutions to outdoor renovations, we have the expertise to bring your vision to life. Quality Craftsmanship: We prioritize quality in every aspect of our work, delivering results that exceed expectations. Comprehensive Service: GJ home improvement is your one-stop-shop for a variety of construction needs, providing a seamless and efficient experience for our clients. For all your flooring, outdoor, roofing, and guttering needs, GJ Floor Screeding is here to assist. Give us a call, and let's discuss how we can turn your project into a reality. Thank you for considering us for your construction endeavors. Many thanks, Gareth, and the GJ Floor Screeding team.
Great quality work at an excellent price. I was given an accurate quote and work was carried out to a very high standard. I would recommend them to anyone!
We aim to be a world class Construction Company providing efficient affordable, sustainable, cost effective services of highest level of quality. We undertake all projects, big or small and specialise in major renovations including; Extensions – Loft Conversions – Restoration & Alterations Garage Conversions – Landscaping & Patios – General Building Work Renovating a property can bring a new lease of life to your home with the feeling that you live somewhere new without having moved. Whether it's a major remodel by knocking down walls and building new ones to change the entire look of your home, to simple and subtle updates and upgrades like new floors, new doors, a modern new kitchen or a stunning bathroom, using modern materials we can help you create your ideal living space.
Dragos completed my laminate flooring to a high standard and I am really happy with his work, the dull room has been totally transformed. After reading reviews, DP Quality Construction had the best of those that were in touch and I wasn't disappointed. Dragos took time to understand my job requirements, communication was good throughout the process and he arrived on the day and time agreed to complete the job at a reasonable price. Have no hesitation in recommending Dragos from DP Construction
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.
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!
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.
Very happy with result.
i have over 20yrs experience in the building trade .have nvq level 2 brickwork qualification also work with various types of building companies to gain more knowledge in the industry ..i am firm believer in letting my work speak for itself.
Paul repointed a garden wall that was starting to crumble. Excellent work. He was on time, super friendly, and easy to talk to and he did a great job. I was also very happy with the price which was below what others had quoted.
Rose Projects
Cellar & Basement Conversion
A Construction Company based in South West London. Craftsmanship is our main focus ensuring every detail is finished to our high standards. Our Communication and Understanding are key. We are always on hand to help and assist you with any questions throughout the build. Our Projects are always built on time and budget. We are fully insured, All our tradesman are Qualified and References available upon request. Regards Rose Projects
Rimi construction limited ! Guaranteed hight quality job with the best prices .
Very happy with Rimi. He at all times came up with ideas and solutions. We had a rear garden job. Involved brick work, decking, retiling, soil work,painting, creating new landscape overall. He did it professionally and in time. He was patient with delays in material supply and kept following up. Overall quite pleased with the end result
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We are here to save your home from water damage with peace of mind, We have been about for many years to secure your first defense from bad weather entering your home
Nothing was to much trouble.Felt as if I had known Scott years.Proper professional and well pleased with what he done.Cheers Scott
We are a reliable, friendly company specialising in home improvements and property maintenance. Fully insured, we are committed to providing an excellent service to our customers. Our services include; General property maintenance Painting & Decorating Driveways Fencing Landscaping Mowing and Hedge cutting services And more.. We look forward to hearing from you to discuss your requirements. Contact us today for a free, no obligation quote!
Great work. Delivered the brief in the timeframe and on budget. Left them to get on with it and they sorted the whole thing without any hassle.
Here is a description about my company testing 2 updating just testing
Test without the bad word
Joiint Construction
Cellar & Basement Conversion
JoiintConstruction is a Hampshire-based construction company, backed by a team of highly skilled craftsmen and professionals dedicated to delivering projects of any size from concept to completion. Whether you need assistance with design, construction, or both, we ensure a seamless process and top-quality results.
At O.B.Build we want to make your home look amazing inside or outside.We take pride in our work and can handle any job or task.We are clean tidy, polite and always deliver a quality finish.
Brilliant refurb of 2 bedroom flat, timelines were tight but John delivered to great standards on time! Job included damp control, relaying floors, and painting/redecorating. Would highly recommend. Thank you John!
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 specialised in Kitchen, bathrooms and all type of furniture instalation. We are team of handyman, plumer, electrician and carpenter.
Excellent Kitchen Tiling! Peter did an amazing job! Professional, friendly, and efficient, he completed the work quickly. The pricing was fair, and he kept everything clean throughout. Highly recommend for quality tiling!
Proud tradesman following on from my father’s footsteps who acquired the BEM in person from the queen recommendation for services and works carried throughout the north east . I’ve 38yrs experience in plumbing and bathroom fitting , was one of the very first sub contractor bathroom fitter nationwide for National operated Dolphin bathrooms who Owened the Mobenkitchens and sharps bedrooms. Experience in budget , mid range and high end bathrooms from strip Out to completion fully managed. Take pride in customer communication and very competitive pricing to suit , love transformation on completion nothing better seeing a happy customer .
Installation of new toilet with smart toilet seat. Very quick and clean work. Fantastic job and would definitely return for my plumbing needs.
Pyramids is a high end building contractor based in the Borough of Hammersmith and Fulham, specialising in conversions, extensions, and full home refurbishments. We keep our practices trustworthy, honest, organised and friendly. We strive to deliver the very best in quality work for our clients. Our team have worked together for many years, which makes for a healthy atmosphere on site and around the office. We are really approachable too. Please feel free to call or send an email today so we can arrange a time to meet that works around your schedule. We will meet with you on site, listen to your ideas in detail, carry out a full site survey, discuss the building process and confirm the brief with you. Following on, we will be able to give you advice for the next steps and provide you with a detailed quotation and proposed timeline.
With very short time to get the work done they did a great job, and I was quite happy with the result.
Thank you for looking to consider volt developments and construction, here we pride ourselves on good hard work and quality craftsmanship. we like to put extra time in to bringing you the best quality work on your project weather it might be a big brick wall with foundations, a little driveway refurb or a restoration project ! Our years of experience paints a whole new picture for the up and coming young tradesmen. Having been trained by some of the best in the business we each bring our acquired skills to the table to give you a quick and nice clean turn around on whatever your project may be ! Here at volt, we specialise in Brickwork, Stonework, landscaping, groundworks & driveways and a-lot more (please don’t hesitate to ask! ) we also work along side some other good trades including roofers, plasters & gas engineers meaning we have alot of knowledge under our belts and a good network of connection’s within the construction industry. we were pushed to our limits in area’s of special brickwork including arches, ponds, twisted pillars & serpentines all of witch are very intricate and very desirable and make us stand out from the rest ! we are fully insured for all of our work and always work closely with any customer concerning budgets and budgeting techniques to make the process a whole lot easier for each party, we aim to make it as less stressful for the homeowner as I personally have dealt with a few who are abit unsure to start off but are overwhelmed with the outcomes and customer satisfaction ! Testimonials will all be on our page for everyone to see. Thank you for your time to consider us and we hope we can work along side anyone and everyone to get their dreams fulfilled
Spot on from start to finish. Understood the assignment and details of the job and executed perfectly. Ensured everything was done to detail. Would definitely recommend and use again. Many thanks Phil.
Our company specializes in comprehensive renovation and finishing services, offering professional tiling, plastering, and smoothing, as well as bathroom and kitchen installation. We also provide plumbing services, carpentry and joinery, as well as flooring, window, and door installation. Our expertise includes building partition walls, painting and decorating interiors, and garage conversions. With years of experience and a commitment to the highest quality workmanship, we guarantee reliability, precision, and timely project completion. Our goal is to meet our clients' expectations through a professional approach and competitive pricing.
Prompt and professional from first meeting with Marek through to the end of the job. Roman transformed my hall, stairs, and landing, leaving an immaculate finish. Roman is also the tidiest painter I've ever seen. Thanks
Trueline Finishes
Cellar & Basement Conversion
At TrueLine Finishes Ltd, we’ve built a reputation over the past 16 years for delivering top-quality finishes across a wide range of projects. Whether it’s home improvements, full refurbishments, or large-scale extensions, we handle it all with precision and care. We pride ourselves on not only the quality of our workmanship but also our reliability and the strong, lasting relationships we build with every client. If you're looking for a trusted partner who delivers excellent results on time and within budget, TrueLine Finishes Ltd is the right choice for your project.
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