Farnworth, Greater Manchester
Condensation and mould ventilation fixes in Farnworth
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Farnworth and BL3, BL4 and M38.
- From £425 inc VAT per fan
- Free survey

For tenants, landlords and homeowners in Farnworth, the common question is why the mould keeps coming back.
We cover Farnworth and the surrounding BL3, BL4 and M38 postcodes as part of our work across Greater Manchester. Surveys for new installations are free on the UK mainland, with a written quote afterwards.
Condensation and mould fixes in Farnworth at a glance
- Town
- Farnworth, Greater Manchester
- Postcode districts
- BL3, BL4 and M38
- Nearby
- Little Lever (1 mile), Kearsley (1 mile) and Little Hulton (1 mile)
- Price region
- North West
- Survey
- Free survey (UK mainland)
How we approach condensation and mould fixes in Farnworth
Mould needs that damp surface to grow. Ventilation is usually the biggest part of the cure, but not the only part.
Survey and findings
Humidity and surface readings, existing fans flow-tested, and a written list of causes and fixes.
Fan upgrades
Weak or loft-vented fans replaced and ducted outside, with humidity control.
Guide prices in Farnworth
| Work | Guide price |
|---|---|
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £330–£575 inc VAT |
| Condensation and mould ventilation survey with written findings (per home) | £120–£215 inc VAT |
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £425–£700 inc VAT |
These ranges use our North West rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
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 Farnworth
What is the price of a condensation fix in Farnworth?
Guide prices for Farnworth use North West rates: new ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) is typically £425 to £700 inc VAT per fan. We confirm a fixed price in writing before any work starts.
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.
Will a dehumidifier fix condensation?
A dehumidifier helps in one room but treats the symptom. Fixing the extract in the wet rooms, and adding whole-home ventilation where needed, removes moisture before it spreads.
Is the survey free in Farnworth?
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.
How do I get a price for a condensation fix in Farnworth?
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.
We can log humidity in your Farnworth home afterwards so you can see the improvement.
Condensation and mould fixes near Farnworth
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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.