Charlton, Greater London
Condensation and mould ventilation fixes in Charlton
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Charlton and SE3, SE7 and SE18.
- From £525 inc VAT per fan
- Free survey
In Charlton 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 Charlton, 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 Charlton at a glance
- Town
- Charlton, Greater London
- Postcode districts
- SE3, SE7 and SE18
- Nearby
- Kidbrooke (1 mile), Plumstead (2 miles) and Blackheath (2 miles)
- Price region
- London
- Survey
- Free survey (UK mainland)
Condensation and mould fixes for Charlton homes
Ventilation is usually the biggest part of the cure, but not the only part. 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.
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 Charlton
| Work | Guide price |
|---|---|
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £525–£900 inc VAT |
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £950–£1,675 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £415–£725 inc VAT |
Guide prices using London 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
- 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 Charlton
How do I get a price for a condensation fix in Charlton?
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.
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 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.
What area around Charlton do you work in?
All of Greater London. Near Charlton that includes Kidbrooke, Plumstead, Blackheath and Canning Town.
Do you cover Charlton and nearby?
Yes. We cover Charlton and nearby places including Kidbrooke, Plumstead, Blackheath and Canning Town. Send your postcode and we will confirm.
We can log humidity in your Charlton home afterwards so you can see the improvement.
Condensation and mould fixes near Charlton
More services in Charlton
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.