Stroud Green, Greater London
Condensation and mould ventilation fixes in Stroud Green
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Stroud Green and N4, N8 and N19.
- From £525 inc VAT per fan
- Free survey

Mould in a Stroud Green bedroom or bathroom is almost always a ventilation problem first.
Customers in Stroud Green can get a guide price online in a couple of minutes. It uses London rates, which is what we would charge for the same job anywhere in Greater London. 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 Stroud Green at a glance
- Town
- Stroud Green, Greater London
- Postcode districts
- N4, N8 and N19
- Nearby
- Crouch End (1 mile), Harringay (1 mile) and Hornsey (1 mile)
- Price region
- London
- Survey
- Free survey (UK mainland)
How we approach condensation and mould fixes in Stroud Green
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 Stroud Green
| Work | Guide price |
|---|---|
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £525–£900 inc VAT |
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £950–£1,675 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £415–£725 inc VAT |
These ranges use our London rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
Signs it is time to call us
- Water running down windows on cold mornings
- Musty smell in bedrooms or wardrobes
- Peeling paint or wallpaper in bathrooms
Rules that apply in England
English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. Serious damp and mould is a hazard under the Housing Health and Safety Rating System, and social landlords now have fixed timescales under Awaab's Law.
Questions from Stroud Green
What is the price of a condensation fix in Stroud Green?
Guide prices for Stroud Green use London rates: new ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) is typically £525 to £900 inc VAT per fan. We confirm a fixed price in writing before any work starts.
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.
Is the survey free in Stroud Green?
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 Stroud Green?
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.
Ask for a Stroud Green visit and we will test your existing fans before recommending anything.
Condensation and mould fixes near Stroud Green
More services in Stroud Green
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.