0800 088 6341
Ventilation Contractors

Eastleigh, Hampshire

Condensation and mould ventilation fixes in Eastleigh

We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Eastleigh and SO18, SO50 and SO53.

  • From £490 inc VAT per fan
  • Free survey
Condensation running down a window with mould on the reveal

In Eastleigh, condensation and mould are usually at their worst between October and March.

Work in Eastleigh follows the rules for England and finishes with a written record of what was fitted and how it was set up.

Condensation and mould fixes in Eastleigh at a glance

Town
Eastleigh, Hampshire
Postcode districts
SO18, SO50 and SO53
Nearby
Bishopstoke (1 mile), Fair Oak (2 miles) and Portswood (3 miles)
Price region
South East
Survey
Free survey (UK mainland)

Condensation and mould fixes for Eastleigh homes

If extract fans are weak, ducted into the loft or switched off, and windows stay shut in winter, that moisture settles on the coldest surfaces: window reveals, external corners, behind wardrobes and on bathroom ceilings. Mould needs that damp surface to grow.

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 Eastleigh

Condensation and mould ventilation fixes guide prices in Eastleigh
WorkGuide 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.

Signs it is time to call us

  • 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 Eastleigh

What is the price of a condensation fix in Eastleigh?

Guide prices for Eastleigh 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.

What is the main cause of condensation in a house?

The main cause is moisture from everyday living, such as showers, cooking and drying clothes, that is not being extracted, combined with cold surfaces where it condenses. Poor or failed extract fans are a very common cause.

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 the survey free in Eastleigh?

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 Eastleigh?

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.

Send us photos of the mould and your fans and we will give a first view for your Eastleigh home.

Condensation and mould fixes near Eastleigh

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