Treharris, Mid Glamorgan
Condensation and mould ventilation fixes in Treharris
We find why the house is wet and fix the ventilation, rather than painting over mould. Covering Treharris and CF45, CF46 and CF82.
- From £425 inc VAT per fan
- Free survey
Mould in a Treharris bedroom or bathroom is almost always a ventilation problem first.
We cover Treharris and the surrounding CF45, CF46 and CF82 postcodes as part of our work across Mid Glamorgan. 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 Treharris at a glance
- Town
- Treharris, Mid Glamorgan
- Postcode districts
- CF45, CF46 and CF82
- Nearby
- Nelson (1 mile), Gelligaer (2 miles) and Mountain Ash (3 miles)
- Price region
- Wales
- Survey
- Free survey (UK mainland)
How we approach condensation and mould fixes in Treharris
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.
Fan upgrades
Weak or loft-vented fans replaced and ducted outside, with humidity control.
Whole-home ventilation
PIV, continuous extract or MVHR where moisture is spread through the house.
Guide prices in Treharris
| Work | Guide price |
|---|---|
| Positive input ventilation (PIV) loft unit, supplied and fitted (per home) | £750–£1,325 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £330–£575 inc VAT |
| Condensation and mould ventilation survey with written findings (per home) | £120–£215 inc VAT |
Guide prices using Wales 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 Wales
In Wales, ventilation follows the Welsh Approved Document F rather than the English version, with building control checking notifiable work. In Wales, damp and mould is one of the matters that decides whether a rented home is fit for human habitation.
Questions from Treharris
How do I get a price for a condensation fix in Treharris?
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.
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.
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.
What area around Treharris do you work in?
All of Mid Glamorgan. Near Treharris that includes Nelson, Gelligaer, Mountain Ash and Bargoed.
Do you cover Treharris and nearby?
Yes. We cover Treharris and nearby places including Nelson, Gelligaer, Mountain Ash and Bargoed. Send your postcode and we will confirm.
We can log humidity in your Treharris home afterwards so you can see the improvement.
Condensation and mould fixes near Treharris
More services in Treharris
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.