Northwood, Greater London
Condensation and mould ventilation fixes in Northwood
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Northwood and HA5, HA6 and WD19.
- From £525 inc VAT per fan
- Free survey
Mould in a Northwood bedroom or bathroom is almost always a ventilation problem first.
Whether the property is in the middle of Northwood 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 Northwood at a glance
- Town
- Northwood, Greater London
- Postcode districts
- HA5, HA6 and WD19
- Nearby
- Northwood Hills (1 mile), Croxley Green (2 miles) and Pinner (2 miles)
- Price region
- London
- Survey
- Free survey (UK mainland)
What the work involves
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 Northwood
| 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 |
London rates shown. Prices include VAT at 20%. The fixed price is confirmed in writing after we have seen the job.
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. Damp and mould is assessed as a hazard under the Housing Health and Safety Rating System in England.
Questions from Northwood
What is the price of a condensation fix in Northwood?
Guide prices for Northwood 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.
How much does a condensation survey cost?
A ventilation survey with written findings costs £125 to £225 including VAT. If we are surveying for an installation we quote for, the survey is free.
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.
Is the survey free in Northwood?
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 Northwood?
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.
If we fit the fix, the Northwood survey is free.
Condensation and mould fixes near Northwood
More services in Northwood
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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.