Home Builders
JAS Building Services
Trust score
81out of 100
Rating4.9★
Review volume49
Source diversity2 sources
VerificationListed
Based on rating, review volume, independent sources and verification. Evidence context — not a guarantee of workmanship.
About
Award-winning Bristol building company delivering high-end renovations and extensions with 40+ years of combined experience. JAS Building Services is a multi-award-winning, family-run building company based in Bristol, specialising in high-quality home renovations, extensions, loft conversions and full property refurbishments. With over 40 years of combined industry experience across our team, we pride ourselves on delivering exceptional craftsmanship alongside a structured, professional service. We understand that investing in your home is a major decision, which is why we provide clear communication, transparent pricing and strong project management from start to finish. Unlike many building companies, we operate with a dedicated office team, project managers and working supervisors, ensuring your project is organised, well-run and delivered to a high standard. Our focus is not just on building, it’s on creating beautiful, functional spaces that add long-term value to your home.
Reviews · public evidence
What customers say
4.9out of 5
Local context
Rated 4.9★ — in line with the local average for home builderss in Bristol
Across 43 rated home builderss in Bristol, the typical rating is 4.9★. We compare against the same businesses a homeowner would find searching for this trade locally.
Public evidence checks
Public evidence shownTrust checks and red flags
Public review evidence4.9★ from 49 public reviewsAcross HouzzHouzzWebsite
Sources
2 named sourcesEvery signal, traced to its origin
Review sources
Official sources
Public evidence checks
What's strong, and what to check yourself
✓Strong signals
✓Rating: 4.9★
✓Review volume: 49
✓Source diversity: 2 sources
!Worth checking yourself
!Verification: Listed
Public evidence last checked May 2026
Good to know
Common questions about JAS Building Services
What do customers say about JAS Building Services?
JAS Building Services has 49 public reviews, averaging 4.9 out of 5, gathered across 2 independent sources. You can read the individual reviews and where each came from in the reviews section above.
How do I know JAS Building Services's reviews are genuine?
JAS Building Services's 49 public reviews are gathered and cross-checked across 2 independent public sources. Reviews spread across several named sources are harder to fake than a single polished page. MyTrustedTraders brings this public evidence together with no ads and no paid placement: we show where every review came from rather than selling rankings, so you can weigh the evidence for yourself.
Smart checks
Before you hire a home builders
Look for consistent reviews across several named sources, not one polished profile.
Check any verified credentials, and that the business details independently check out.
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Want an extra legitimacy check?
Run the Cowboy Checker on JAS Building Services before you contact them.
