The 10 builders from Google's results for Swansea, ranked on Google rating, online presence and other factors. Updated 10 September 2026.
Wales has run its own planning system since 2016 and permitted development rights differ from England.
on GoogleFforest-fach, Swansea
Pro Able Group carries out residential and commercial construction across Swansea and South Wales. The firm undertakes full house refurbishments, property extensions, garage and loft conversions, as well as structural alterations, kitchen fitting and damp proofing.
01792 940242 Ystrad Rd, Fforest-fach, Swansea SA5 4LH
on GoogleRedwood Court Tawe Business Village, Swansea
Industrial construction, civil engineering and facility management are supplied by Bardic Construction across Swansea and the South Wales region. The business manages custom residential and commercial building projects from initial design through to completion.
01792 872519 Enterprise Park, Redwood Court Tawe Business Village, Swansea SA7 9LA
on GoogleMumbles, Swansea
Bancs Ltd delivers residential and commercial building projects for clients in Mumbles and the wider Swansea area. The company handles property alterations, structural additions and complete building work across the region.
01792 381880 Ground Floor, 62 Newton Rd, Mumbles, Swansea SA3 4BE
on GoogleSwansea
Swansea Bay Builder handles domestic and commercial building projects throughout the local area. Services include kitchen and bathroom installations, full home refurbishments, general maintenance and outdoor landscaping, alongside complimentary site assessments.
on GoogleFforest-fach, Swansea
Full building services from initial planning to completion are provided by JM Building Contractors across Swansea and South Wales. Its team constructs new builds, house extensions, loft conversions, decking and complete property renovations.
01792 201448 2B Kingsway, Fforest-fach, Swansea SA5 4DL
on GoogleSwansea
Robert Price is a builders' merchant in Swansea supplying building materials, timber, roofing supplies and joinery items. The branch also displays and provides landscaping products, windows, doors, electrical supplies, tools and flooring samples.
01792 644644 Somerset Pl, Swansea SA1 1QX
Swansea
Paul Thomas & Sons Ltd delivers joinery and construction services for domestic and commercial properties across Swansea. The workforce undertakes multi-storey house extensions, loft conversions, sun room additions, interior alterations and new builds.
Swansea
Will Begg Carpentry & Building Services provides home improvement work across Swansea, Morriston and the Gower peninsula. The team handles house extensions, property refurbishments, internal carpentry and plastering projects.
Swansea
JC Irvine Limited builds new houses, extends properties, and renovates shops and offices across Swansea, Mumbles and the Gower. The firm manages all associated trades on site, providing plumbing, gas, electrical and fire safety installations.
Swansea
White Rock Construction covers property care and building services for domestic and commercial clients in Swansea. The company undertakes property construction projects as well as plumbing work across the local area.
In Swansea, small structural job typically costs £1,400 – £4,600. Labour in Swansea runs 9% below the UK median, which accounts for most of the difference from the same job elsewhere.
These are the firms from Google's results for "builders swansea". They are ranked on Google rating, online presence and other factors.
The figures above are Swansea ranges. These explain what drives them, so you can read a quote properly.
Per-square-metre rates for light, standard and full renovations, prices job by job, rates by region, and the VAT, fees and contingency that sit on top of the build.
2026 prices for single and double garage conversions by garage type and room, what a quote should include, the fees and VAT around the build, and the rules in each UK nation.
Which jobs are notifiable, how the application routes work, what building control inspects, and what a completion certificate is worth when you come to sell.
For anything over about £10,000, yes. The JCT Home Owner contract is short, plain English and free to buy. It fixes the payment schedule and the process if things go wrong, which is exactly what an informal arrangement does not.
Materials up front is reasonable. A large percentage of the total is not. Stage payments against completed work are the norm, and a firm insisting on 50% before starting is a warning sign.