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

LSJ Building & Construction is a professional, affordable and reliable company based in Cardiff and the surrounding areas. We guarantee you competent, efficient and punctual building services for any size of project. We are rapidly growing and are happy to be able to say that we have a high percentage of repeat work from satisfied customers. We value our customers’ homes and business premises carrying out our work in a careful and respectful manner, minimising disruption. We are highly experienced contractors and all of our work is carried out by competent persons to current regulations. LSJ Building and Construction covers all aspects of building work including: New Builds Extensions and Loft Conversions Renovations Kitchens and Bathrooms Carpentry and Joinery Driveways, Patios and Fencing Groundwork Foundations and Brickwork Windows, Bi-Fold Doors, Conservatories, Guttering, Fascia's and Soffits Plumbing and Heating Roofing Plastering Tiling Painting & Decorating IMPROVE YOUR HOME THE LSJ WAY!

Latest homeowner review

Reviewed by Jacqueline on 26/1/2024

Excellent builder and our project has begun

ABD Building & Maintainence

Cellar & Basement Conversion

(26) Read reviews

Latest homeowner review

Reviewed by tessa on 15/2/2013

good quick efficient job

Peter Price Carpentry & Building

Cellar & Basement Conversion

(15) Read reviews

Hi i am a time served carpenter with 35+years experiance roofing cut & trusse slate and tiling kitchen fitting all 1st & 2nd fix work upvc ceramic tiling bathroom fitting.plastering

Latest homeowner review

Reviewed by Dave muckell on 24/7/2014

After I booked I went out to buy the door when he came to fit the door we found out I brought the wrong size door so with out any charge we rebooked a fitting when he came back we had the wrong locks he waited for my wife to get the right one 3hours later the door was fitted with no extra charge for the door fitting thank you a great job and a great price will use again

HENRY JAMES BUILDING LIMITED

Cellar & Basement Conversion

(5) Read reviews

Henry James is the sole proprietor of the company with building experience over 35 years. The company has been specialising general building work inside and outside the Carmarthenshire area.

Latest homeowner review

Reviewed by tracey on 31/12/2013

Henry has done an excellent job in re-rendering my property and associated tasks. He showed expertise when advising me on the work to be under taken. He kept me abreast of progress and was reliable and professional throughout the process. The work has been completed to a high standard and I am very happy to have chosen Henry James as my builder. Found that Henry Was very satisfied with the quality and care good understanding of the work that was required and was able to point out additional needed work

Plumbing & Heating

Cellar & Basement Conversion

(4) Read reviews

We have expertise in installing bathrooms and Kitchens ..we cover all plumbing and electrical hook ups and can offer design choices and advice . We have designed and custom fitted kitchens and bathrooms with extraordinary character over the last 22 years.

Latest homeowner review

Reviewed by John on 9/4/2016

I found Matthew to be very honest and trustworthy ,he explained what needed doing without trying to fob me off with some tall stories ,he was clean and tidy at all times ,very polite ,not afraid of hard work ,in fact one very cold night he was still working in the dark to make sure everything was working ok ,I would highly recommend Matthew to anybody ,in fact I have told all my many friends about him and his clean and tidy work ,excellient work,very reliable ,very good value. Thank you Matthew 10/10

adriscollbuilders

Cellar & Basement Conversion

(3) Read reviews

We have recently registered with the website and have over 30 years experience in the building industry. All aspects of building work undertaken including new builds, extensions and 'award winning' renovations (CLA farm buildings award scheme).

Latest homeowner review

Reviewed by Manon on 23/4/2013

A very efficient service, friendly and very punctual, building work and cleaning up was carried out swiftly and professionally. Thank you.

stephen hoskins carpentry services

Cellar & Basement Conversion

hi i am a fully qualified carpenter with over ten years experience. we cover all aspects of carpentry from kitchen fitting, doors, skirtings laminate and wood flooring, fencing and timber decking and timber frame buildings. quality workmanship.

Latest homeowner review

Reviewed by Bob on 7/3/2013

Good job & nice bloke. Will use again

L T C building&restoration

Cellar & Basement Conversion

We offer a reliable and fast service covering all aspects of Masonry & Restoration work .

Latest homeowner review

Reviewed by Marko on 4/2/2014

LTC did a great job for us, quickly, without fuss or delay. I can recommend them for work with no reservation.

James Turvey.com

Cellar & Basement Conversion

Towy Interiors building contractors, specializing in residential renovations and refurbishments, new build and house conversions our valued clients are gained through word of mouth and personal recommendation.

Latest homeowner review

Reviewed by Jenny on 16/4/2013

James cut and fitted 3 shelves into a very awkward alcove. He managed to match the shelves we already had in another alcove. very pleased with work done. would recommend him and use him again

Daj Home Improvements

Cellar & Basement Conversion

Daj Home Improvements strive to carry out all works to the highest standard,We specialise in property renovations and all aspects of property maintenance from conversions to plastering and decor to name but a few.All trades are certificated and insured.

Latest homeowner review

Reviewed by Richard on 3/11/2013

Dave was very conscientious throughout the job, which was important for us with our baby! His work standards were excellent throughout, and where necessary he brought in others to carry out specialist work. Very pleased with the job, and very reasonable price & speed of work

C.G/ BUILDERS

Cellar & Basement Conversion

(3) Read reviews

Latest homeowner review

Reviewed by Linda on 14/4/2018

Lovely friendly team, arrived exactly on time and finished the job on time too Thanks

oaklands

Cellar & Basement Conversion

(12) Read reviews

we are a multi trade company based in new tredegar business park. est in 1989 we now carry out work for schools in mostly RCT and CCBC areas, such work includes fencing, building maintenance & construction, landscaping artificial grass laid,roof repairs,

Latest homeowner review

Reviewed by Philip on 23/7/2018

Had this work done nearly 24 month ago, top quality and lasted perfect in all weather conditions. Would highly recommend.

N j edinborough building and maintenance

Cellar & Basement Conversion

(13) Read reviews

Hello,we have over 25 years of experience in all aspects of the building trade. From replacing a missing slate to building a house, even covering all garden works to! all work undertaken, no job to big or to small.

Latest homeowner review

Reviewed by gareth on 28/3/2019

told loads of the blokes in work about the great work i had done and many have had his number 100% happy see you when you fit my new kitchen in autumn lol

A & S carpentry

Cellar & Basement Conversion

A & S CARPENTERY specialize in kitchen and bathroom installations,loft conversions,roofs as well as all other property improvement and renovations. Comercial and domestic

Latest homeowner review

Reviewed by GARRY LYDEN on 4/8/2014

He did a good job arrived on time, fair price. What more could you ask for...

Beynon stone and brick specialist

Cellar & Basement Conversion

View Profile Request a quote 07980295850

35 years experience, I specialise in stonework and brickwork, I do all aspects patios fencing, resin drives

Latest homeowner review

Reviewed by Taela on 29/1/2025

Rob and his team were excellent. On time, tidy, polite, came out with several solutions and most importantly, were very competitively priced. I will definitely use Rob and team again for future work. Amazing work guys!

Diamond Handyman Services Ltd

Cellar & Basement Conversion

View Profile Request a quote 07498022387

We work to a diamond standard of which all work is guaranteed. Our motto is: do it nice, or do it twice. We cover all sorts of jobs inside and outside the home, with a good and friendly service provided. Our rates are very competitive.

Latest homeowner review

Reviewed by Andrew on 13/1/2016

Luke turned up promptly at the time arranged, sorted out the problem with the door lock and overall provided a good service. I hope to use Diamond Handyman Services again

S C Building & Landscaping Services

Cellar & Basement Conversion

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With over 40 years combined experience in the building trade our company has grown and build an amazing portfolio of jobs and customer clientele. We cover all aspects of building and landscaping no job is to small and no job is to big we can handle them all. Our company cover everything from start to finish on all jobs so no need to worry about sorting anything, making it a smooth process for our customers

Latest homeowner review

Reviewed by Kerim on 7/6/2025

Will happily consider for future work.

Strategic Building Solutions

Cellar & Basement Conversion

(32) Read reviews

View Profile Request a quote 07496623638

A highly skilled construction team with exceptional feedback and ratings. We pride ourselves on delivering work to the highest standards and remain committed to every project until it is fully completed.

Latest homeowner review

Reviewed by Martin on 15/9/2024

Gareth is a great worker, very knowledgeable and friendly. Any problems he finds he runs solutions past you before doing the work. Would highly recommend him.

City to Coast Building Services

Cellar & Basement Conversion

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City To Coast Building Services is a locally run building company specialising in property repair and property maintenance. We cover all aspects of building from painting and decorating through to full house builds and extensions. We are registered with the federation of master builders, Trustmark and also Safe Contractor. All work carried out comes with a 12 Month Guarantee.

Latest homeowner review

Reviewed by Neil on 22/7/2020

The work was done within the expected time and to an excellent standard. Neil and Lee were very professional throughout.

LMG Home Improvements Ltd

Cellar & Basement Conversion

(27) Read reviews