Portishead, Somerset
Condensation and mould ventilation fixes in Portishead
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Portishead and BS11, BS20 and BS48.
- From £465 inc VAT per fan
- Free survey
In Portishead, condensation and mould are usually at their worst between October and March.
We cover Portishead and the surrounding BS11, BS20 and BS48 postcodes as part of our work across Somerset. The survey is free for new installations on the UK mainland, and the quote that follows is fixed and in writing.
Condensation and mould fixes in Portishead at a glance
- Town
- Portishead, Somerset
- Postcode districts
- BS11, BS20 and BS48
- Nearby
- Nailsea (4 miles), Clevedon (5 miles) and Yatton (7 miles)
- Price region
- South West
- Survey
- Free survey (UK mainland)
Condensation and mould fixes for Portishead homes
If extract fans are weak, ducted into the loft or switched off, and windows stay shut in winter, that moisture settles on the coldest surfaces: window reveals, external corners, behind wardrobes and on bathroom ceilings. Mould needs that damp surface to grow.
Mould treatment advice
How to clean and treat affected areas once the cause is fixed.
Survey and findings
Humidity and surface readings, existing fans flow-tested, and a written list of causes and fixes.
Guide prices in Portishead
| Work | Guide price |
|---|---|
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £360–£625 inc VAT |
| Condensation and mould ventilation survey with written findings (per home) | £130–£235 inc VAT |
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £465–£775 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.
Signs it is time to call us
- Musty smell in bedrooms or wardrobes
- Peeling paint or wallpaper in bathrooms
- Damp patches that dry out in summer and return in winter
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). Damp and mould is assessed as a hazard under the Housing Health and Safety Rating System in England.
Questions from Portishead
Is the survey free in Portishead?
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.
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.
How do I get a price for a condensation fix in Portishead?
Use the guide price tool, the form on this page, live chat, WhatsApp or call 0800 088 6341. A postcode and a couple of photos help us give you a useful answer first time.
What area around Portishead do you work in?
All of Somerset. Near Portishead that includes Nailsea, Clevedon, Yatton and Bristol.
If we fit the fix, the Portishead survey is free.
Condensation and mould fixes near Portishead
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Answer a few questions for a price range, or send photos and we will come back to you with a written quote.