# EnviroVent Limited EnviroVent Limited is a builder in London. Rated 4.9/5 from 409 public reviews across 1 review source. This is the MyTrustedTraders public-evidence profile for this trader, with independent reviews, credentials and registry data from named public sources, no ads, and no paid placement. Trust Score: 60 out of 100 (good record, gaps to check). The score rests on rated 4.9 from 409 reviews. 6 reviews in the last 12 months. ## About EnviroVent is a leading manufacturer and supplier of whole house ventilation systems and extractor fans for bathrooms and kitchens. For over 30 years, EnviroVent has helped over a million homes solve damp, condensation and mould problems across the UK. Our award winning ventilation products help improve indoor air quality by bringing in fresh, clean air and help reduce moisture in the air which can cause condensation and mould problems. Our local experts can offer free advice and can do a survey of your home to see if the problem is due to damp or another issue and suggest the best ventilation system for your property. During a free home survey, your local ventilation specialists will recommend a bespoke, cost-effective solution. Our range of condensation control products come with long-term warranties and are fitted by qualified engineers. A simple solution, to a common problem. Call us today on 0345 27 27 807 or visit www.envirovent.com. ## Public review evidence (by source) | Source | Average rating | Reviews | | --- | --- | --- | | Which? Trusted Traders | 4.9/5 | 409 | Rated 4.9, in line with the local average for builders in London. Across 2630 builders in London, the typical rating is 4.9 out of 5. We compare against the same businesses a homeowner would find searching for this trade locally. Most recent review: 7 months ago. ## What customers consistently say _Recurring strength themes from this trader's own reviews, each with a verbatim quote:_ - **Quality of the work** (Quoted from 3 reviews): "work carried out to a high standard." · Which? Trusted Traders, 3 Dec 2025 _Respectful and tidy in your home (3 reviewers describe them being respectful of the home and leaving it clean):_ "didn't leave a speck of dust behind him." · Which? Trusted Traders, 20 May 2021 ## What customers consistently praise _Themes mentioned across this trader's own public reviews:_ - Professional (mentioned in 43% of reviews we've read) - Tidy & clean (mentioned in 35% of reviews we've read) ## In customers' own words _Verbatim quotes from this trader's public reviews, each attributed to its source:_ > "Just had a new unit fit under their 10 year guarantee. In all honesty they could have refused to honour it as I hadn't replaced the filter after 5 yrs which is required. Vanessa was dealing with it and was very quick in coming to a decision and arranging an engineer visit. The engineer (Micky) was very knowledgeable and friendly. He quickly diagnosed the fault and replaced the unit. Really good service from all concerned and I must say these units really do stop mould returning." > Source: Customer in West Yorkshire (5.0, via Which? Trusted Traders) > "We had terrible problems with condensation in our sheltered house. This ventilation system sorted it out very quickly. The engineer was very professional and explained everything to us. As a retired manager of a builders merchant he is definitely one of the best I have seen." > Source: Customer in South Ayrshire (5.0, via Which? Trusted Traders) > "Highly recommend from start to finish Stacey and Mat were brilliant. They addressed my concerns and worries. The unit was fitted in a week, the engineer was on time and took time to explain everything I'm very happy, EnviroVent North" > Source: Customer in Cumberland (5.0, via Which? Trusted Traders) ## Trades Builder ## Services they list _Listed on public sources or the business's own website; check directly that they cover your job before you book:_ - Ventilation systems - Condensation and humidification control - Damp proofing surveyors - home health check - mould removal - damp - water damage - radon ## See their work _Portfolio and gallery links this business publishes. Inspect the source to see what each image represents:_ - [Photo gallery](https://www.envirovent.com/knowledge-hub/help-and-advice/case-studies/) - [Instagram](https://www.instagram.com/envirovent) - [Facebook](https://www.facebook.com/envirovent) ## What we checked, and when _What MyTrustedTraders independently checked for this business (verified items only):_ - Review volume: MyTrustedTraders shows 409 public reviews on this profile. (via MyTrustedTraders public listing) - Public listing spread: MyTrustedTraders shows 2 public listings for this trader. (via MyTrustedTraders public listing) - Business identity: MyTrustedTraders shows public business identity data with operating status unknown. (via MyTrustedTraders public listing) - Contact phone: MyTrustedTraders shows a public phone contact on this profile. (via MyTrustedTraders public listing) - Website: MyTrustedTraders shows a public website for this trader. (via MyTrustedTraders public listing) Full verification checklist: https://mytrustedtraders.com/traders/envirovent-limited/checks ## Credentials & sources - Credentials shown: 1 (none currently verifiable) - Companies House status: Unknown - Evidence held from: Which? Trusted Traders, Companies House - Public evidence last checked June 2026 ## What this business says about itself _Self-declared on the trader's own website, not independently verified:_ - Guarantee: 10-Year Warranty - Good to know: Free quotes - VAT number they state: GB 698548361 (check on the HMRC VAT checker: https://www.gov.uk/check-uk-vat-number) ## Opening hours - Source: Which? Trusted Traders - Monday–Friday: 8am–5pm ## Before you hire a builder _What to check when choosing this kind of trade (general guidance, not a claim about this business):_ - Never pay a large deposit up front. Agree a staged payment schedule tied to completed milestones, and hold a small retention until snagging is done. - Get it in writing: an itemised quote with scope, materials, start and finish dates, and how any changes (variations) will be priced. - Be wary of a cash-only price or pressure to start tomorrow. Both are red flags for an unaccountable job. - Ask to see a portfolio of completed work like yours, plus recent references you can contact. - Check the credentials and registrations that matter for this work, and that they are current. ## Contact - Phone: 01423 810810 - Website: https://www.envirovent.com --- Source: MyTrustedTraders, https://mytrustedtraders.com/traders/envirovent-limited Real public evidence only: every figure traces to a named source, with evidence held from 2 named public sources. If a source does not carry a field, it is not shown.