Tonbridge, Kent
Condensation and mould ventilation fixes in Tonbridge
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Tonbridge and TN9, TN10 and TN11.
- From £490 inc VAT per fan
- Free survey

We survey Tonbridge homes for condensation with meters, not guesswork, and explain what we find.
Customers in Tonbridge can get a guide price online in a couple of minutes. It uses South East rates, which is what we would charge for the same job anywhere in Kent. We survey first, free of charge for new installations on the mainland, then send a fixed written quote.
Condensation and mould fixes in Tonbridge at a glance
- Town
- Tonbridge, Kent
- Postcode districts
- TN9, TN10 and TN11
- Nearby
- Royal Tunbridge Wells (4 miles), Sevenoaks (6 miles) and Crowborough (10 miles)
- Price region
- South East
- Survey
- Free survey (UK mainland)
Condensation and mould fixes for Tonbridge 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.
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 Tonbridge
| Work | Guide price |
|---|---|
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £490–£825 inc VAT |
| 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 |
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.
Common reasons people call
- Black mould on window reveals, ceilings or behind furniture
- Water running down windows on cold mornings
- Musty smell in bedrooms or wardrobes
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 Tonbridge
What area around Tonbridge do you work in?
All of Kent. Near Tonbridge that includes Royal Tunbridge Wells, Sevenoaks, Crowborough and Maidstone.
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.
Do you cover Tonbridge and nearby?
Yes. We cover Tonbridge and nearby places including Royal Tunbridge Wells, Sevenoaks, Crowborough and Maidstone. Send your postcode and we will confirm.
What is the price of a condensation fix in Tonbridge?
Guide prices for Tonbridge 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.
We can log humidity in your Tonbridge home afterwards so you can see the improvement.
Condensation and mould fixes near Tonbridge
More services in Tonbridge
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.