Positive input ventilation (PIV)
Loft or wall units that gently push filtered air into the home to tackle condensation.
Shropshire · England
Homes, rentals and business premises in Oswestry and SY10 and SY11.
Ventilation Contractors works on houses, flats, rentals and business premises in Oswestry and across Shropshire. Tell us the postcode and what is going wrong, and we will tell you which fix fits before anyone books a visit.
For homes in Oswestry 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 Oswestry is priced from a site visit or your drawings. Kitchen extract cleaning, LEV testing and servicing visits are priced per system.
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 |
|---|---|
| Condensation and mould ventilation survey with written findings (per home) | £125–£225 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £345–£595 inc VAT |
| Rental upgrade: PIV unit plus two humidity-controlled extract fans (typical 2 to 3 bed) (per property) | £1,495–£2,695 inc VAT |
| TR19 Grease kitchen extract clean with post-clean report, single canopy system (per clean) | £395–£895 + VAT |
Guide prices using West Midlands 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.
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 52 miles away. Every visit is booked by appointment and confirmed in writing.
It depends on the job. As a guide, positive input ventilation (PIV) loft unit, supplied and fitted is typically £795 to £1,395 inc VAT per home, using West Midlands rates.
Answer a few questions for a price range, or send photos and we will come back to you with a written quote.