Condensation and mould ventilation fixes in Walton-on-Thames

Mould in a Walton-on-Thames bedroom or bathroom is almost always a ventilation problem first.

Walton-on-Thames is about 103 miles from our base in Great Barr, Birmingham. We book Walton-on-Thames visits by appointment and confirm the date in writing. The survey is free for new installations on the UK mainland, and the quote that follows is fixed and in writing.

Condensation and mould fixes in Walton-on-Thames at a glance

Town: Walton-on-Thames, Surrey
Postcode districts: KT12, TW16 and TW17
Nearby: Sunbury-on-Thames (1 mile), Shepperton (2 miles) and West Molesey (2 miles)
Price region: South East
Survey: Free survey (UK mainland)

Condensation and mould fixes for Walton-on-Thames 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 Walton-on-Thames

Condensation and mould ventilation fixes guide prices in Walton-on-Thames
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

These ranges use our South East rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.

Signs it is time to call us

Someone in the home with asthma or allergies made worse by damp
Black mould on window reveals, ceilings or behind furniture
Water running down windows on cold mornings

Rules that apply in England

English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. Serious damp and mould is a hazard under the Housing Health and Safety Rating System, and social landlords now have fixed timescales under Awaab's Law.

Questions from Walton-on-Thames

Is the survey free in Walton-on-Thames?

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.

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.

How do I get a price for a condensation fix in Walton-on-Thames?

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 Walton-on-Thames do you work in?

All of Surrey. Near Walton-on-Thames that includes Sunbury-on-Thames, Shepperton, West Molesey and Weybridge.

If we fit the fix, the Walton-on-Thames survey is free.