✓ Verified Google reviews·✓ Reviewed regularly·✓ Updated 4 September 2026
Written by Mark Reid,
Trades Editor ·Verified 4 September 2026
Warrington's mix of housing keeps its builders busy with all sorts of work. You've got the Victorian terraces around Stockton Heath, ex-council semis in Orford and Padgate, and newer estates out towards Birchwood and Chapelford, each throwing up different jobs. A loft conversion on a 1930s semi in Grappenhall needs different know-how to underpinning a settling extension in Latchford, and anyone who's dealt with the clay soil common across parts of the town will know why cracked render and subsidence checks come up so often here. Because the town sits between Manchester and Liverpool, plenty of builders cover a wide radius, so you'll find firms based in Warrington who also take on work in Widnes, Runcorn or Wigan without much extra travel cost.
The businesses listed here come from public business listings, ranked mainly by their review rating and how many reviews they've built up, with a small boost given to those showing a working website and phone number. We also read through each business's homepage to check that builders work is genuinely their main trade, which stops plumbers, electricians or general handymen who dabble in building work from cluttering up the page. Any listing flagged as permanently closed gets stripped out automatically. Where you spot a Trust Verified badge, that business has gone further and passed our full verification, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information. Our How We Verify page sets out exactly what that involves. For businesses without the badge, those checks haven't been done by us, so it's worth doing your own homework before you book anyone in.
Before signing off on any builder, ask to see proof of their trade qualifications and, where relevant, membership of a body like the Federation of Master Builders. Check they carry public liability insurance (most reputable builders hold at least £2 million cover) and ask for a written quote that breaks down materials, labour and timescales rather than a vague total figure. If the job involves structural work, find out whether building control sign-off is needed and who's arranging it. It's sensible to get two or three quotes for anything beyond small repairs, since prices for the same extension or refit can vary by several thousand pounds between firms. Ask for photos of recent, similar jobs and, if you can, speak to a past customer directly rather than relying on reviews alone.
How We Select & Rate The Best Builders in Warrington
Rankings are based on public business listings, weighted mainly by review rating and the number of reviews each business has, with a small lift for those showing a working website and contactable phone number. We check each business's homepage to confirm builders work is what they primarily do, which keeps unrelated trades off the page. Listings flagged as permanently closed are removed automatically. Businesses marked Trust Verified have gone through our full verification process, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history and registered company information; see our How We Verify page for details. Other businesses here haven't been independently verified by us, and inclusion isn't an endorsement, so do your own checks before hiring anyone.
Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. Every other listing is ranked on rating and review count from third-party business listings. How we rank & verify →
Landlords and letting agents in Warrington use LS Construction (NORTH WEST) LIMITED for building work ranging from repairs to larger refurbishment projects. The firm has built a 5-star record from 14 Google reviews, reflecting consistency across jobs that need to be completed with minimal disruption to tenants. Based in the WA2 area, it covers properties across the wider Warrington district.
Families across Warrington needing a bathroom refitted turn to CD Inspire Ltd for the full job, from stripping out old suites to tiling and plumbing. Ten reviews on Google average a full five stars, reflecting consistent care with layouts that suit everyday household use rather than showroom display.
Extensions and full property refurbishments make up much of the workload for Lymm Building Contractors LTD, based in Warrington. The firm handles structural work alongside finishing trades, allowing projects to run under one point of contact rather than several subcontractors. Ten reviews on Google give it a full five-star rating, reflecting consistent standards across completed jobs.
Families and households across Warrington needing adapted building work turn to Specialised Access Solutions Ltd., which focuses on access and mobility related building projects rather than general renovation. The firm holds a 4.9 rating from seven reviews, reflecting careful attention to individual household requirements. Work is carried out with a clear focus on practical, lasting solutions for daily living.
A perfect five-star record from five reviews sets Cards Building Ltd apart among Warrington builders, though the small sample means it's early days. The firm undertakes general building work across the town, and the consistent feedback so far points to reliable workmanship worth watching as the portfolio grows.
Transparency notice: Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. All other listings are ranked by a combined score drawn from ratings and review counts published on third-party business listings, plus basic completeness signals such as a working website and phone. A Trust Verified badge means we have independently checked that business's documents; businesses without it have not been independently verified by us. How we verify →
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It depends heavily on the job. A single-storey rear extension in areas like Penketh or Fearnhead typically runs from around £1,500 to £2,200 per square metre once you include a basic fit-out, so a modest 20 square metre extension could land anywhere from £30,000 to £45,000. Smaller jobs like repointing a chimney or fixing render might cost £400 to £900, while a full loft conversion often sits between £35,000 and £50,000 depending on dormer size and plumbing needs. Always get two or three quotes, because prices for near-identical work can vary a surprising amount between local firms.
Do I need planning permission for an extension in Warrington?
Many single-storey extensions fall under permitted development rights, but this depends on the size, how close you are to a boundary, and whether your property is in a conservation area (parts of Stockton Heath and Lymm nearby have these restrictions). A good builder should flag this early, but it's worth checking with Warrington Borough Council's planning department yourself before work starts, since building without the right permission can cause problems when you come to sell.
How long does a typical extension or renovation take?
A single-storey extension usually takes 10 to 14 weeks from groundworks to a finished shell, with another few weeks for internal fit-out like plastering, electrics and flooring. Loft conversions tend to run 6 to 8 weeks. Weather can slow down groundworks and roofing stages, and older Warrington properties sometimes reveal surprises once walls are opened up, so it's worth asking your builder for a realistic timeline rather than the fastest one.
Should I use a builder who's a member of a trade body?
It's not compulsory, but membership of the Federation of Master Builders or a similar scheme usually means the firm has been vetted to some degree and offers access to an insurance-backed warranty on the work. It's not a guarantee of quality on its own, so pair it with checking reviews, asking for references, and looking at examples of completed jobs in the local area.
What paperwork should I get before work starts?
Ask for a written contract covering the scope of work, materials, payment schedule and expected completion date. For structural work, request confirmation that building control will be involved, and get a copy of the completion certificate once the job's signed off. If gas or electrical work is part of the project, check the relevant tradesperson holds a current Gas Safe or NICEIC registration, as builders often subcontract this out.
How do I choose between builders in Warrington?
Start by reading through recent reviews rather than just the star rating, since detailed comments tell you more about how a firm handles problems. Ask each builder for photos of similar jobs they've completed nearby, request proof of public liability insurance, and confirm their trade qualifications directly rather than taking a website's word for it. Get at least two written quotes so you can compare what's actually included, not just the bottom-line figure, and if a badge like Trust Verified is showing, check what it covers on the How We Verify page before assuming it means more than it does.
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