Post your job for free. Get quotes. Read reviews.

The quick way to find a local Cellar & Basement Conversion specialist

Over 10,000 rated tradespeople
are ready to help you get your job done

Over 3 million happy homeowners
have found a quality tradesperson

Over 1 million ratings
with 88,000 5* ratings in the last 12 months

Browse Cellar & Basement Conversion specialists

Take a look at our Cellar & Basement Conversion specialists profiles, read reviews and request quotes directly.

We are a small company based in cardiff with twenty years in the industry ,we cover any thing from a small leak to full installations of bathrooms and kitchens,we also incude tiling,plastering ,carpentry etc in our skill set.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by CRAIG on 24/7/2025

Darren did a great job on the bathroom. Would recommend for anyone considering hiring him

Allen Building Ltd is an established construction company in Cardiff. We have been in business for 15 years. we have a solid portfolio and many references to our name. We are all so accredited Master builders by the F.M.B www.abuilderscardiff.co.u

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by peter on 11/11/2019

We are very pleased with Matt’s work for us -he is organised ,takes pride in the job and makes helpful suggestions.He delivered our project to the agreed timeline and was a pleasure to work with . We have no hesitation in recommending Matt to other people .

Pm building & landscapers ,with 35 years building experience we cover all aspects of building works to be carried out ,extensions ,conversions ,garages ,porches brickwork .stonework ,retainers and much more ,ins work carried out .

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Polly on 30/4/2025

Chameleon Refurbs have over 25 years experience in all types of Building Refurbishments so choose Chameleon Refurbs with confidence

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Isaac on 29/11/2025

From a single tile to a new roof we cater to all with a range of colours and options to suit all budgets. We supply and fit new upvc dry verges and dry ridge to eliminate the ongoing cost of yearly maintenance we also supply and fit maintenance free gutter systems with integrated hedge hog systems in place to ensure gutters need no maintenance we also supply and fit new upvc facial soffits and barge board new walls built and repointing available also we do weather pointing new joists flat roofs we supply and fit Epdm Firestone rubber flat roofs to eliminate the ongoing costs associated with older materials. ig. Felt roofs that will degrade as time passes we also supply and fit upon request eco friendly roof systems for those who prefer a greener planet friendly option thanks for reading any questions pls feel free to contact us

Latest homeowner review
full starfull star
Reviewed by Shiraz on 6/12/2025

Small Construction firm offering an excellent finish to all aspects of building work. I have over 30 Years experience in the Construction Industry.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Dawn on 15/5/2023

Brilliant job done shame the not an option to add photos on here

About Arena Group – Maintaining Homes Together At Arena Group, we believe home maintenance is about more than repairs it’s about trust, safety, and building lasting relationships with the people we serve. With over 25 years of hands?on construction and refurbishment experience, we’ve grown into a trusted partner for homeowners, landlords, and housing providers across the UK. Our mission is simple: to maintain homes together, blending craftsmanship with care.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Steve on 9/12/2025

ROKO Construction is a fresh new family run business with a wealth of past experience. We pride ourselves on client satisfaction by delivering cost effective & time efficient packages to suit. Our tradesmen have been finely processed leaving a close-knit team of like minded individuals, keen to carry out every aspect of the job with professionalism in mind. All endeavours are made to ensure a smooth project turn-around and every aspect of works undertaken are held to the highest standards. Feel free to contact us ROKO Construction

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Nicola on 7/4/2023

What a fantastic service kody and the boys provide , very professional and their work is to a high standard the boys were very friendly and polite couldn't of asked for more I will definitely be contacting them for my next project. I would definitely recommend

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by azm on 30/5/2015

excellent

Our award-winning claims management service aims to help policyholders throughout the UK make successful buildings insurance claims caused by storms, burst pipes, accidental damage, fire, floods or other events which lead to the property owners needing to make an insurance claim. We project manage and carry out the required repairs using our fully vetted contractors. Aspray always strive to reinstate the property to its pre-incident condition as swiftly as possible. Aspray Ltd are authorised and regulated by the Financial Conduct Authority for claims handling only.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by John on 14/5/2023

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 Roofing Kitchen/bathroom installation Joinery 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!

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Saleh Ahmad on 22/12/2025

Luke was very friendly with his communication and did the job in good time. Will likely use for other jobs as well

Hi, we are a family run professional company that offers many aspects of construction and building work, after training in 2005 to 2009 at carillion bricklaying college in Cardiff, myself (Leyton) and Jason then decided to work in the house building industry, building 100s of new homes from £100k to £1 million, working for companies such as Redrow, Barrat homes and many others, we gained immense experience and from this decided to start a company, after over a decade of working for other companies, we now have many years experience in many areas, including new build, extensions, bespoke garden project, installation of bi fold doors, as well as vast experience in groundworks, we also offer roofing services of the highest quality, we are both NVQ level 3 qualified and both have the advanced construction award qualification rarely seen, we achieved Chas accreditation as well as sssts, we are a company who prides ourselves on going above and beyond on every project we carry out, you won't find more able tradesmen who do what we do.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by J on 22/11/2025

Arrived on time , very fair price and the standard of work is excellent . Would happily recommend

SureBuild avatar

SureBuild

Cellar & Basement Conversion

Surebuild is a reliable family ran company established in 1991. We cover a wide range of building work from plans to completion at the highest standards aspiring to perfect every job on time. We specialise in traditional stone and wood work. As we understand customer satisfaction is essential we are happy to be contacted day or night, our friendly team will always make you our priority during every stage of your project. NHBC registered

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Mark on 16/6/2020

Found this to be an excellent relationship. The team were open and connected on what was required and finished the job to a high standard. The team were flexible and worked within our budget requirements. Would highly recommend

MAHL Renovations Ltd is an award winning professional residential and commercial renovations company. We have more than 20+ years of experience renovating our customers homes throughout Cheshire. In addition we offer the following services:- - Flooring - Laminate, LVT, Karndean/Altico Fitter - Tiling - Floor and Wall - Decking - Composite and Standard - Complete Property Renovations - Complete Bathroom Refurbishments We are City and Guilds certified and fully insured.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by N on 7/9/2023

The team are very professional all parts of the job were well communicated verbally and quotes before the jobs commenced. The team were punctual communicated well of any unforseen problems and worked the extra into the schedule. Standards of workmanship are of a high standard the bathroom was retiled floor to ceiling and looks amazing unique and finished to a good standard. The team are tidy helpful and I found very honest. Phones emails texts answered instantly really helpful

Supply and fit. Window repair and replacement. Pvc windows. Pvc doors. Secondary glazing. Sealed units. Glass splashback. Glass balustrade. Juliet balcony. Bespoke mirrors. Glass table tops. Shop fronts. Glass shower screen. 8am until 8pm call out board up service. Carpentry and home improvements. All aspects of carpentry and home improvements undertaken. Also find us on Facebook and Instagram Check us out on google: gullivers glazing

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Joanna on 24/8/2022

Gullivers are highly recommended. Had a call to quote and they responded extremely quickly and offered to take on the job the next day. They arrived on time and didn't waste any time getting on with the job. Very friendly and helpful - any future work we have, we will get in touch with Gullivers. Highly Recommended! Thank you both

Hello, I'm Gareth from Bangor, Gwynedd North Wales. I cover all areas including Wales and England. I have been working within the construction industry for over 10 years! I'm a hard working individual, with a strong hardworking team behind me organised by myself. All of my employees take pride in their work and are able to complete set tasks. I cover a variety of areas, This includes -Roofing -Groundworks -Earth works -General Building -Landscaping

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by David on 28/12/2021

Excellent job polite efficient and would definitely recommend thanks for a great job

Me and my business partner shaun have over 30 years experience in the construction trade .specialise in drylining ,plastering and structual work ,steel work and renvations . We also have access to electrician, plumber , joiner , bricklayer . .reliable and friendly team who can help with anything your job needs . dont be afraid to ask for references as we have plenty . lots of reviews on our pictures aswel as we havent been on rated people for long .

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Nigel on 27/1/2025

Great work done by the team. Competitively priced encompassing multiple trades all carried out efficiently and to a great standard. Many thanks to Ade and his team. Would definitely recommend and will no doubt use again!

Building and maintenance company specialising in carpentry and plastering.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Alex on 3/11/2023

Had Adam down for a chimney breast removal and they’re talented, friendly guys with fair prices. Can’t ask for much more. The plastering was very smooth!

Here at Roseman Home Solutions we provide a professional and friendly service with top quality workmanship. We provide customers with what they want and help them along the way with ideas that may help with budget and what will be the best solution to suite their needs. We carry out work on full bathroom renovations, plumbing maintenance jobs big or small. We also carry out full house renovations, plastering, tiling and small building repairs. We have been in the industry for over 15years and are looking to keep the experience going. Hope we can help you with you needs .

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by Stuart on 25/9/2024

Excellent job, went the extra mile

Craven Construction (2007) Ltd was formed out of H.A.Tipton trading as Craven Construction. The trading name of my father (Arthur’s) business formed in 1967. In 2007 we formed the Ltd company. Our carpenter (Richard) has been with the firm 48years.

Latest homeowner review
full starfull starfull starfull starfull star
Reviewed by h on 31/7/2020

Did what was needed to a very high standard. Clean and tidy- no delays, excellent. would recommend

Post your job for free

app-icon

Get our app for homeowners

  • Send messages and get notifications from tradespeople
  • Add photos to get more accurate quotes
  • View tradespeople's profiles