Thornbury, Gloucestershire
Condensation and mould ventilation fixes in Thornbury
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Thornbury and BS32, BS35 and GL12.
- From £465 inc VAT per fan
- Free survey
For tenants, landlords and homeowners in Thornbury, the common question is why the mould keeps coming back.
Whether the property is in the middle of Thornbury or one of the villages around it, the process is the same: a look at the building, a written price, then fitting and testing on the agreed day.
Condensation and mould fixes in Thornbury at a glance
- Town
- Thornbury, Gloucestershire
- Postcode districts
- BS32, BS35 and GL12
- Nearby
- Stoke Gifford (6 miles), Yate (6 miles) and Mangotsfield (8 miles)
- Price region
- South West
- Survey
- Free survey (UK mainland)
What the work involves
Mould needs that damp surface to grow. Ventilation is usually the biggest part of the cure, but not the only part.
Whole-home ventilation
PIV, continuous extract or MVHR where moisture is spread through the house.
Mould treatment advice
How to clean and treat affected areas once the cause is fixed.
Guide prices in Thornbury
| 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–£1,450 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £360–£625 inc VAT |
Guide prices using South West rates. Prices include VAT at 20%. A guide price is not a quote: we confirm a fixed price in writing first.
When to get it looked at
- Black mould on window reveals, ceilings or behind furniture
- Water running down windows on cold mornings
- Musty smell in bedrooms or wardrobes
Rules that apply in England
In England, ventilation is covered by Part F of the Building Regulations and its guidance, Approved Document F (2021 edition). Serious damp and mould is a hazard under the Housing Health and Safety Rating System, and social landlords now have fixed timescales under Awaab's Law.
Questions from Thornbury
Do you cover Thornbury and nearby?
Yes. We cover Thornbury and nearby places including Stoke Gifford, Yate, Mangotsfield and Dursley. Send your postcode and we will confirm.
Is PIV or MVHR better for condensation?
For most existing homes with general condensation, PIV plus good extract fans is the most cost-effective fix. MVHR suits airtight, well-insulated homes and full renovations.
How much does a condensation survey cost?
A ventilation survey with written findings costs £125 to £225 including VAT. If we are surveying for an installation we quote for, the survey is free.
What is the price of a condensation fix in Thornbury?
Guide prices for Thornbury use South West rates: new ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) is typically £465 to £775 inc VAT per fan. We confirm a fixed price in writing before any work starts.
Is the survey free in Thornbury?
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.
Get a guide price online, then we confirm the plan on a free survey in Thornbury.
Condensation and mould fixes near Thornbury
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