Positive input ventilation (PIV)
Loft or wall units that gently push filtered air into the home to tackle condensation.
Clwyd · Wales
Homes, rentals and business premises in Colwyn Bay and LL28, LL29 and LL31.
Our team is based in Great Barr, Birmingham, about 91 miles from Colwyn Bay. We plan each Colwyn Bay job around the survey, so you get a fixed written price and an agreed date rather than an estimate on the day.
If you are extending or converting in Colwyn Bay, ventilation is part of Building Regulations sign-off. We can fit the fans or MVHR and provide the airflow test results your inspector will ask for.
For businesses in Colwyn Bay we cover office and shop ventilation, commercial kitchen extraction, duct cleaning to TR19 and planned servicing of air handling units.
Loft or wall units that gently push filtered air into the home to tackle condensation.
Bathroom, kitchen and utility fans sized to the Part F rates, ducted outside and tested.
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.
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £750–£1,325 inc VAT |
| Whole-home MVHR retrofit, 3 bedroom house (per home) | £6,150–£9,000 inc VAT |
| Condensation and mould ventilation survey with written findings (per home) | £120–£215 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £330–£575 inc VAT |
Guide prices using Wales 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 Wales, the Welsh Government's own Approved Document F (2022 edition) applies to ventilation in homes, with a new edition taking effect on 4 March 2027. Rented homes must be fit for human habitation under the Renting Homes (Wales) Act 2016, and workplaces must be ventilated under the Workplace (Health, Safety and Welfare) Regulations 1992.
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.
Our team is based in Great Barr, Birmingham, about 91 miles away. Every visit is booked by appointment and confirmed in writing.
It depends on the job. As a guide, TR19 Grease kitchen extract clean with post-clean report, single canopy system is typically £375 to £850 + VAT per clean, using Wales rates.
Answer a few questions for a price range, or send photos and we will come back to you with a written quote.