Deeside, Clwyd
Condensation and mould ventilation fixes in Deeside
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Deeside and CH4, CH5 and CH7.
- From £425 inc VAT per fan
- Free survey

For tenants, landlords and homeowners in Deeside, the common question is why the mould keeps coming back.
Work in Deeside follows the rules for Wales and finishes with a written record of what was fitted and how it was set up.
Condensation and mould fixes in Deeside at a glance
- Town
- Deeside, Clwyd
- Postcode districts
- CH4, CH5 and CH7
- Nearby
- Hawarden (1 mile), Buckley (3 miles) and Mold (5 miles)
- Price region
- Wales
- Survey
- Free survey (UK mainland)
Condensation and mould fixes for Deeside homes
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 Deeside
| Work | Guide price |
|---|---|
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £425–£700 inc VAT |
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £750–£1,325 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £330–£575 inc VAT |
Guide prices using Wales 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
- Peeling paint or wallpaper in bathrooms
- Damp patches that dry out in summer and return in winter
- Someone in the home with asthma or allergies made worse by damp
Rules that apply in Wales
Wales has its own Part F ventilation guidance, published by the Welsh Government, and work is checked by building control. Rented homes in Wales must be fit for human habitation under the Renting Homes (Wales) Act, and damp and mould is one of the matters considered.
Questions from Deeside
Is the survey free in Deeside?
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 black mould dangerous?
Damp and mould can affect health, particularly for people with asthma, allergies, weak immune systems, children and older people, according to NHS and government guidance. It should be dealt with rather than lived with.
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 do I get a price for a condensation fix in Deeside?
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 Deeside do you work in?
All of Clwyd. Near Deeside that includes Hawarden, Buckley, Mold and Flint.
We can log humidity in your Deeside home afterwards so you can see the improvement.
Condensation and mould fixes near Deeside
More services in Deeside
Get a guide price in two minutes
Answer a few questions for a price range, or send photos and we will come back to you with a written quote.