South Wales
20+ Builders in Cardiff
Trusted, accredited builders covering Cardiff and surrounding areas. Real businesses, real credentials. Free to browse.
Browse verified builders in Cardiff, South Wales. Every listing is sourced from public records and checked for active accreditations. Look for FMB or TrustMark credentials when choosing a builder. All contact details are visible after a business claims its listing.
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20 businesses listed
Dragon Construction Ltd
Dragon Construction Ltd is a builder in Cardiff, rated 4.2/5 from 10 Google reviews. Registered with Companies House (no. 08198079…
Rise Construction Cardiff Ltd
Rise Construction Cardiff Ltd is a builder in Cardiff, rated 5/5 from 18 Google reviews. Registered with Companies House (no. 1396…
FORTY BUILDERS LTD
FORTY BUILDERS LTD is a builder in Cardiff, rated 4.7/5 from 32 Google reviews. Registered with Companies House (no. 09481445) and…
Redwood Construction Cardiff Ltd
Redwood Construction Cardiff Ltd is a builder in Cardiff, rated 5/5 from 8 Google reviews. Registered with Companies House (no. 09…
Chapman Construction
Chapman Construction is a builder in Cardiff, rated 5/5 from 2 Google reviews. Registered with Companies House (no. 13461620) and …
MCS Construction & Developments
MCS Construction & Developments is a builder in Cardiff, rated 5/5 from 16 Google reviews. Verified Google Business Profile.
Reid Building Limited
Reid Building Limited is a builder in Cardiff, rated 5/5 from 7 Google reviews. Registered with Companies House (no. 13017891) and…
Gentles Construction Ltd
Gentles Construction Ltd is a builder in Cardiff, rated 5/5 from 16 Google reviews. Registered with Companies House (no. 06819668)…
Atlantic Construction
Atlantic Construction is a builder in Cardiff, rated 4.2/5 from 5 Google reviews.
Direct Maintenance Contractors
Direct Maintenance Contractors is a builder in Cardiff, rated 4.9/5 from 12 Google reviews. Verified Google Business Profile.
AJ Construction (Cardiff) Ltd
AJ Construction (Cardiff) Ltd is a builder in Cardiff, rated 4.7/5 from 25 Google reviews. Registered with Companies House (no. 15…
Encon Construction Limited
Encon Construction Limited is a builder in Cardiff, rated 3.8/5 from 4 Google reviews. Registered with Companies House (no. 049536…
Builder guides for Cardiff
Areas covered for builders in Cardiff
Builders listed for Cardiff typically cover the CF3, CF5, CF10, CF11, CF14, CF15, CF23, CF24 postcode areas and surrounding parts of South Wales. Service radius varies per business — many also work in adjacent towns and villages within the same postcode group.
Including Rumney, St Mellons, Trowbridge, Llanrumney, Old St Mellons, Ely, Caerau, Fairwater, Canton, Llandaff, Pontcanna, Cardiff City Centre, Cardiff Bay, Butetown, Adamsdown, Riverside, Grangetown, Leckwith, Whitchurch, Tongwynlais, Rhiwbina, Birchgrove, Llanishen and Lisvane.
Builders in nearby towns
Common builders services in Cardiff
Cardiff's planning department uses an online portal at planning.cardiff.gov.uk; most domestic work in the city's conservation areas (Pontcanna, Cathedral Road, Roath Park) needs Listed Building Consent or Article 4 Direction approval before starting. Building Regs sign-off goes through Cardiff Council.
Listed builders in Cardiff typically cover the following work. Scopes vary per business — request a free quote on any specific job above.
- Conservatory and orangery installation
- Damp and structural repairs
- Renovations and refurbishments
- Project management
- Underpinning and foundation work
- Garage conversions
- Internal wall removal (load-bearing)
- House extensions (single and two-storey)
- New build construction
- Loft conversions (dormer, hip-to-gable, Velux)
Not sure what FMB means or how to verify it? Read the plain-English definition →
Before you hire — Welsh regulations to know
Looking wider? Browse all builders across South Wales — covers Cardiff, Swansea, Newport, Barry and 15+ more towns.
Common questions about builders in Cardiff
How much do builders charge in Cardiff?+
Builder costs in Cardiff vary by job type and complexity. For an accurate quote, request a free estimate from a listed business above. Most builders offer free site visits before quoting.
What accreditations should a builder in Cardiff have?+
Reputable builders in Cardiff should hold relevant accreditations such as FMB · TrustMark · NHBC. Always verify credentials before hiring. Listings on besttrades.wales show verified accreditation badges.
How do I find a reliable builder in Cardiff?+
Browse the builders listed above — each has been added from public records and verified sources. Look for the Verified or Premium badge, check their accreditations, and read any reviews shown on their profile.
How quickly can I get a builder in Cardiff?+
Response times vary. For routine work, most builders in Cardiff can schedule within a few days. For urgent or emergency work, contact businesses directly — some offer same-day or 24/7 callouts.
Are builders in Cardiff regulated?+
Yes. Depending on the trade, builders in Wales must comply with UK building regulations and may require registration with bodies such as FMB · TrustMark · NHBC. Always confirm a tradesperson's credentials before work begins.
Do builders in Cardiff cover surrounding areas?+
Most builders listed for Cardiff also cover nearby towns in South Wales. Service radius varies — check each business profile for their declared coverage area, or use the "Builders nearby" chips at the top of this page to browse adjacent towns directly.
Is it free to use besttrades.wales to find a builder?+
Yes — completely free for homeowners. No booking fees, no sign-up required to browse listings or request quotes. Tradespeople pay nothing to claim their listing either. besttrades.wales is an independent Welsh trade directory, not a paid lead-resale service.
How is a builder on besttrades.wales verified?+
Every listing is cross-checked against public records: Google Business Profile for review history + location, Companies House for active registration where applicable, and the trade's relevant accreditation body (FMB / TrustMark). Businesses showing the "Verified" badge have passed all three checks.
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