Elegant home renovations in Cardiff — from concept to complete.
Family-run renovation specialists turning Cardiff houses into the calm, well-finished homes you actually want to come back to. Fixed-price quotes. One project manager. Tidy site, every day.
- 10+
- years on Cardiff sites
- £5m
- public liability cover
- 4.9★
- average client rating
- 30 mi
- around Cardiff covered

Considered, calm, completed properly.
We won't be the cheapest quote you receive — and we'll tell you why. Here's what your budget actually buys when you build with us.
- ·Local Cardiff specialists.
Born and built here. We know your house, your council, and your weather.
- ·Fixed-price proposals.
No mid-project surprises. Variations only ever happen with written sign-off.
- ·Certified, named trades.
Part P electricians, Gas Safe plumbers, in-house carpenters and decorators.
- ·A project manager on every job.
One number to call. Weekly written updates with photos.
- ·Tidy site, sealed deal.
Site swept every Friday. Finished snag-list signed off before final payment.
Renovation, refurbishment and extension specialists.

Kitchen Renovations
Bespoke kitchens designed for how Cardiff families really live.

Bathroom Renovations
Hotel-grade bathrooms, ensuites and wet rooms built to last decades.

Extensions & Loft Conversions
More room, more light — without losing what makes the house yours.

Whole-Home Refurbishments
End-to-end renovations of period and modern Cardiff homes.

Flooring & Decorating
Solid timber, engineered oak, tiling, plastering and paintwork done properly.

Roofing & Exterior
Slate re-roofs, fascias, gutters and external repairs built for Welsh weather.
A five-step process that removes the renovation guesswork.
- 01Consultation & SurveyWeek 1
A no-obligation home visit. We listen, measure, photograph and talk through what's realistic for your budget and timeline.
- 02Tailored ProposalWithin 10 days
A fully-itemised written proposal with drawings where needed, fixed pricing, programme and payment schedule.
- 03Fixed-Price ContractOn acceptance
Plain-English contract, insurance certificates and start date confirmed. Materials ordered and trades booked.
- 04Skilled Works & Weekly UpdatesOn site
A named project manager runs your job day-to-day. Weekly written updates with photos. Site tidied every Friday.
- 05Handover & AftercareOn completion
Snagging walkthrough, certificates, care guides and a 12-month aftercare visit included on every Signature and Full Home project.
What Cardiff homeowners say.
“Bish and his team treated our home like it was their own. The kitchen is beautiful, but it's the project management that really set them apart — weekly updates, clean site every Friday, no surprises.”
“Genuinely the most professional trades I've ever dealt with. Quote was fixed, programme was met, and the finish is hotel-standard.”
“We had three quotes — Builtbybish wasn't the cheapest, but they were the only ones who actually listened. Worth every penny.”
Book a free home survey with Bish and the team.
We'll visit, listen, measure and follow up with a written, fixed-price proposal — no obligation, no hard sell.