Swanscombe, Kent
Condensation and mould ventilation fixes in Swanscombe
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Swanscombe and DA9, DA10 and DA11.
- From £490 inc VAT per fan
- Free survey

For tenants, landlords and homeowners in Swanscombe, the common question is why the mould keeps coming back.
Whether the property is in the middle of Swanscombe 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 Swanscombe at a glance
- Town
- Swanscombe, Kent
- Postcode districts
- DA9, DA10 and DA11
- Nearby
- Grays (2 miles), Tilbury (2 miles) and Gravesend (3 miles)
- Price region
- South East
- Survey
- Free survey (UK mainland)
What the work involves
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 Swanscombe
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £875–£1,525 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £380–£650 inc VAT |
| Condensation and mould ventilation survey with written findings (per home) | £140–£250 inc VAT |
Guide prices using South East 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
- Musty smell in bedrooms or wardrobes
- Peeling paint or wallpaper in bathrooms
- Damp patches that dry out in summer and return in winter
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 Swanscombe
Do you cover Swanscombe and nearby?
Yes. We cover Swanscombe and nearby places including Grays, Tilbury, Gravesend and Chafford Hundred. Send your postcode and we will confirm.
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 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.
What is the price of a condensation fix in Swanscombe?
Guide prices for Swanscombe use South East rates: new ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) is typically £490 to £825 inc VAT per fan. We confirm a fixed price in writing before any work starts.
Is the survey free in Swanscombe?
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.
If we fit the fix, the Swanscombe survey is free.
Condensation and mould fixes near Swanscombe
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