Northolt, Greater London
Condensation and mould ventilation fixes in Northolt
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Northolt and HA2, UB5 and UB6.
- From £525 inc VAT per fan
- Free survey
For tenants, landlords and homeowners in Northolt, the common question is why the mould keeps coming back.
Northolt is about 95 miles from our base in Great Barr, Birmingham. We book Northolt visits by appointment and confirm the date in writing. Surveys for new installations are free on the UK mainland, with a written quote afterwards.
Condensation and mould fixes in Northolt at a glance
- Town
- Northolt, Greater London
- Postcode districts
- HA2, UB5 and UB6
- Nearby
- Greenford (2 miles), South Ruislip (2 miles) and Sudbury (2 miles)
- Price region
- London
- Survey
- Free survey (UK mainland)
Condensation and mould fixes for Northolt homes
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 Northolt
| 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 |
Guide prices using London rates. Prices include VAT at 20%. A guide price is not a quote: we confirm a fixed price in writing first.
When to get it looked at
- Damp patches that dry out in summer and return in winter
- Someone in the home with asthma or allergies made worse by damp
- Black mould on window reveals, ceilings or behind furniture
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 Northolt
What area around Northolt do you work in?
All of Greater London. Near Northolt that includes Greenford, South Ruislip, Sudbury and Harrow on the Hill.
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.
Do you cover Northolt and nearby?
Yes. We cover Northolt and nearby places including Greenford, South Ruislip, Sudbury and Harrow on the Hill. Send your postcode and we will confirm.
What is the price of a condensation fix in Northolt?
Guide prices for Northolt 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.
We can log humidity in your Northolt home afterwards so you can see the improvement.
Condensation and mould fixes near Northolt
More services in Northolt
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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.