Lowcarbonconstruction vs Sustainable Building (UK) ltd: most-reported complaints compared
Most-reported issues at Lowcarbonconstruction and Sustainable Building (UK) ltd, according to reviewers on Trustpilot — classified by our automated reader and backed by verbatim quotes from distinct reviews. This is a side-by-side of what reviewers report, not a score, rating or recommendation for either company.
Lowcarbonconstruction
TrustScore 2.9 · 2 reviews on Trustpilot.
2 reviews analysed, 2014-08-14 to 2021-09-16.
Complaint rate (recent window): 100%
0% of negative reviews get a company reply.
“It took 9 months for this company to install my garden room with weekly broken delivery promises.”
Sustainable Building (UK) ltd
TrustScore 3.2 · 1 reviews on Trustpilot.
2 reviews analysed, 2026-04-08 to 2026-06-29.
Complaint rate (recent window): 100%
0% of negative reviews get a company reply.
“arranged to come and measure the window on 2 separate occasions and both times they never turned up”
Method: reviews are classified into a fixed complaint taxonomy by an automated reader; every category shown is backed by at least two verbatim quotes from distinct reviews. Figures are census classifications, not official statistics, and reflect what reviewers reported — not findings of wrongdoing by either company. Not affiliated with, endorsed by, or sponsored by Trustpilot A/S, Lowcarbonconstruction or Sustainable Building (UK) ltd.