Redruth, Cornwall
Condensation and mould ventilation fixes in Redruth
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Redruth and TR14, TR15 and TR16.
- From £465 inc VAT per fan
- Free survey

For tenants, landlords and homeowners in Redruth, the common question is why the mould keeps coming back.
Whether the property is in the middle of Redruth 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 Redruth at a glance
- Town
- Redruth, Cornwall
- Postcode districts
- TR14, TR15 and TR16
- Nearby
- Camborne (4 miles), Truro (8 miles) and Falmouth (9 miles)
- Price region
- South West
- Survey
- Free survey (UK mainland)
What the work involves
Heating patterns, insulation gaps and cold bridges matter too, and some damp is not condensation at all: leaks, penetrating damp and rising damp need different trades. We tell you if that is what we find rather than selling a fan that will not help.
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 Redruth
| Work | Guide price |
|---|---|
| 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 |
| Condensation and mould ventilation survey with written findings (per home) | £130–£235 inc VAT |
South West rates shown. Prices include VAT at 20%. The fixed price is confirmed in writing after we have seen the job.
When to get it looked at
- Someone in the home with asthma or allergies made worse by damp
- Black mould on window reveals, ceilings or behind furniture
- Water running down windows on cold mornings
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 Redruth
How do I get a price for a condensation fix in Redruth?
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.
Can you tell if it is rising damp?
We can tell you when the pattern does not look like condensation, such as a tide mark low on a wall or damp that appears after rain, and point you to the right specialist.
What is the main cause of condensation in a house?
The main cause is moisture from everyday living, such as showers, cooking and drying clothes, that is not being extracted, combined with cold surfaces where it condenses. Poor or failed extract fans are a very common cause.
What area around Redruth do you work in?
All of Cornwall. Near Redruth that includes Camborne, Truro, Falmouth and Helston.
Do you cover Redruth and nearby?
Yes. We cover Redruth and nearby places including Camborne, Truro, Falmouth and Helston. Send your postcode and we will confirm.
Ask for a Redruth visit and we will test your existing fans before recommending anything.
Condensation and mould fixes near Redruth
More services in Redruth
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.