Market Harborough, Leicestershire
Condensation and mould ventilation fixes in Market Harborough
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Market Harborough and LE16.
- From £435 inc VAT per fan
- Free survey

In Market Harborough homes, black mould usually comes down to the same few causes: weak fans, loft-vented ducts and no background ventilation.
For condensation and mould ventilation fixes in Market Harborough, send us the postcode, a few photos and a rough idea of the rooms involved. We will tell you what we would fit and roughly what it costs before arranging a visit.
Condensation and mould fixes in Market Harborough at a glance
- Town
- Market Harborough, Leicestershire
- Postcode districts
- LE16
- Nearby
- Desborough (5 miles), Corby (10 miles) and Kettering (10 miles)
- Price region
- East Midlands
- Survey
- Free survey (UK mainland)
Condensation and mould fixes for Market Harborough 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.
Survey and findings
Humidity and surface readings, existing fans flow-tested, and a written list of causes and fixes.
Fan upgrades
Weak or loft-vented fans replaced and ducted outside, with humidity control.
Guide prices in Market Harborough
| Work | Guide price |
|---|---|
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £435–£725 inc VAT |
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £775–£1,375 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £340–£575 inc VAT |
These ranges use our East Midlands rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
When to get it looked at
- 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
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 Market Harborough
Is the survey free in Market Harborough?
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 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.
How do I get a price for a condensation fix in Market Harborough?
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.
What area around Market Harborough do you work in?
All of Leicestershire. Near Market Harborough that includes Desborough, Corby, Kettering and Wigston Magna.
Ask for a Market Harborough visit and we will test your existing fans before recommending anything.
Condensation and mould fixes near Market Harborough
More services in Market Harborough
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.