Renovation, build & refurbishment specialists

Who We Are

Carshalton Building Services Ltd. is a family-run business with over 30 years of experience. We prioritise quality, work ethics, and customer satisfaction by employing experienced tradesmen and using high-quality materials.

Our team is hardworking and enthusiastic and together we work closely to deliver a smoothly run build.

Our aim is to achieve minimal impact on your home whilst the work is carried out and we pride ourselves on tidiness and punctuality to ensure your project is carried out to the highest standard.

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A rear extension to create a re-configured kitchen/dining/family room and new utility room finished with a large set of bi-folding doors across the back.



Extension to replace the old conservatory & reconfiguration of first floor layout to include new kitchen/dining room with pocket doors into lounge, with two sets of sliding doors across the back.

recent projects


A rear extension & reconfiguration of downstairs layout to create a new kitchen, utility room and downstairs W.C and dining space.

Why Choose Us?

We have a strong track record of successful projects.

We come highly recommended by both our clients, architects and structural engineers.

All projects are managed by Darren who has a wealth of experience and expertise in the building industry.

We have a dedicated team, employed by us full time, with first class expertise and skillsets.

We have a solid network of resources in the industry, meaning we are excellent problem solvers.

Close collaboration with Local Building Control and architects to streamline project progress.

Why Choose Us?

To verify a reputable builder, check if they are members of associations like The Guild of Master Craftsmen and The Federation of Master Builders.

Membership to such organisations requires high-quality work, positive references, and client satisfaction. Carshalton Building Services are proud to be members of all of the below federations and in addition, we are members of Trust Mark, Fair Trades, and Home pro schemes.

Why Choose Us?

Our Team are all full time employees. The only sub-contractors we use are Part P qualified electricians and Gas Safe registered plumbers.

We take a 5% deposit to ensure your time slot is booked and then we issue a weekly payment schedule that follows the work schedule

We are happy to supply references and put you in contact with previous clients if so required.

We will give you an estimated time for the job to be completed before we commence.

Our Public Liability Insurance covers us up to £5,000,000. A copy of our Certificate is available upon request.

Our quote will cover everything included in the job. Anything not quoted will be at an additional cost.

What Our Clients Say

“Darren was always available for discussions and suggested excellent ideas, such as the roof light that has enhanced the natural light in our kitchen and is a much better solution than what we had considered.

“The team were all polite, well presented, approachable & demonstrated great workmanship. They were always responsive to questions we had and maintained a clean and tidy work environment.”

Mr & Mrs M, Cheam

“Darren and his team were recommended to us by a friend. They were always professional, great to have around and executed our plans and vision perfectly.”

We would happily recommend Darren and his team.”

Mr & Mrs R, Tadworth

“There were a lot of issues with the previous extension, but Darren and his team were able to give me great advice and always had a solution to any problem that arose during the project. I am thrilled with the results and will definitely be getting the guys back to do Phase 2 of the project!”

Mr A, Epsom

Get In Touch

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26 Onslow Avenue

Cheam, Sutton



Tel: 020 8715 2256

Mobile: 07932 712318



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