Condensation and mould ventilation fixes
We find why the house is wet and fix the ventilation, rather than painting over mould.
Hertfordshire · England
Homes, rentals and business premises in Croxley Green and HA6, WD3 and WD18.
We cover Croxley Green (HA6, WD3 and WD18) as part of our work across Hertfordshire. We can help homeowners, landlords and businesses with new systems, testing, cleaning and repairs.
For homes in Croxley Green the usual starting points are extractor fans, PIV and condensation surveys. Whole-home MVHR makes most sense in new builds, big refurbishments and very airtight houses.
Commercial work in Croxley Green is priced from a site visit or your drawings. Kitchen extract cleaning, LEV testing and servicing visits are priced per system.
We find why the house is wet and fix the ventilation, rather than painting over mould.
Tested fans and PIV for rental homes and HMOs, with records for your property file.
Supply and extract with heat recovery for offices, shops, clinics and fit-outs.
Canopies, extract fans, make-up air and gas interlocks for cafés and restaurants.
| Work | Guide price |
|---|---|
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £465–£775 inc VAT |
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £825–£1,475 inc VAT |
| Whole-home MVHR retrofit, 3 bedroom house (per home) | £6,750–£9,900 inc VAT |
| Condensation and mould ventilation survey with written findings (per home) | £130–£235 inc VAT |
Guide prices using East of England rates. Home prices include VAT at 20%; business prices exclude VAT. A guide price is not a quote: we confirm a fixed price in writing first.
In England, ventilation in new and altered homes is covered by Approved Document F of the Building Regulations. Landlords also have duties under the Housing Health and Safety Rating System, and workplaces must be ventilated under the Workplace (Health, Safety and Welfare) Regulations 1992.
It depends on the job. As a guide, kitchen canopy and extract system for a café or takeaway (canopy up to 2 m) is typically £6,250 to £12,550 + VAT per kitchen, using East of England rates.
Yes. We cover Croxley Green (HA6, WD3 and WD18) and nearby places including Batchworth, Rickmansworth, Northwood and West Watford.
For new installations on the UK mainland, yes. The survey is free and the quote that follows is fixed and in writing. Servicing, testing and repair visits are charged, and we confirm the cost before booking.
Answer a few questions for a price range, or send photos and we will come back to you with a written quote.