Crouch End, Greater London
Condensation and mould ventilation fixes in Crouch End
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Crouch End and N6, N8 and N19.
- From £525 inc VAT per fan
- Free survey

For tenants, landlords and homeowners in Crouch End, the common question is why the mould keeps coming back.
Whether the property is in the middle of Crouch End 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 Crouch End at a glance
- Town
- Crouch End, Greater London
- Postcode districts
- N6, N8 and N19
- Nearby
- Hornsey (under a mile), Stroud Green (1 mile) and Archway (1 mile)
- Price region
- London
- Survey
- Free survey (UK mainland)
How we approach condensation and mould fixes in Crouch End
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 Crouch End
| Work | Guide price |
|---|---|
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £415–£725 inc VAT |
| Condensation and mould ventilation survey with written findings (per home) | £150–£270 inc VAT |
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £525–£900 inc VAT |
These ranges use our London rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
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 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 Crouch End
How do I get a price for a condensation fix in Crouch End?
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.
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.
What area around Crouch End do you work in?
All of Greater London. Near Crouch End that includes Hornsey, Stroud Green, Archway and Harringay.
Do you cover Crouch End and nearby?
Yes. We cover Crouch End and nearby places including Hornsey, Stroud Green, Archway and Harringay. Send your postcode and we will confirm.
If we fit the fix, the Crouch End survey is free.
Condensation and mould fixes near Crouch End
More services in Crouch End
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.