Carmarthen, Dyfed
Ventilation for landlords and letting agents in Carmarthen
Tested fans and PIV for rental homes and HMOs, with records for your property file. Covering Carmarthen and SA31 and SA33.
- From £1,425 inc VAT per property
- Free survey

If you manage HMOs in Carmarthen, continuous extract in every shower room and kitchen means tenants cannot switch the ventilation off.
Whether the property is in the middle of Carmarthen or one of the villages around it, the process is the same: a look at the building, a written price, then fitting and testing on the agreed day.
Landlord ventilation in Carmarthen at a glance
- Town
- Carmarthen, Dyfed
- Postcode districts
- SA31 and SA33
- Nearby
- Llanelli (14 miles), Ammanford (14 miles) and Gorseinon (17 miles)
- Price region
- Wales
- Survey
- Free survey (UK mainland)
How we approach landlord ventilation in Carmarthen
We work with individual landlords, portfolio landlords, HMO owners and letting agents. Jobs can be booked between tenancies or arranged with tenants in occupation, and every visit ends with photos and airflow readings you can keep on file.
Fan upgrade per room
Humidity-controlled or continuous fans in kitchens and bathrooms, ducted to outside.
Rental package
A PIV unit plus two humidity fans: a typical fix for a damp 2 to 3 bed rental.
Guide prices in Carmarthen
| Work | Guide price |
|---|---|
| Like-for-like extractor fan replacement (existing duct and wiring) (per fan) | £165–£280 inc VAT |
| Continuous-running extract fan (dMEV) with humidity boost, flow tested (per fan) | £330–£575 inc VAT |
| Rental upgrade: PIV unit plus two humidity-controlled extract fans (typical 2 to 3 bed) (per property) | £1,425–£2,550 inc VAT |
Wales rates shown. Prices include VAT at 20%. The fixed price is confirmed in writing after we have seen the job.
When to get it looked at
- Mould keeps returning between tenancies
- A council officer or agent has raised a damp hazard
- Fans in the property are switched off, broken or vent into the loft
Rules that apply in Wales
Wales has its own Part F ventilation guidance, published by the Welsh Government, and work is checked by building control. Rented homes in Wales must be fit for human habitation under the Renting Homes (Wales) Act, and damp and mould is one of the matters considered.
Questions from Carmarthen
What area around Carmarthen do you work in?
All of Dyfed. Near Carmarthen that includes Llanelli, Ammanford, Gorseinon and Clydach.
What is the best ventilation for a rental property?
For most rentals, humidity-controlled or continuous extract fans in the wet rooms plus a PIV unit gives reliable results that tenants cannot easily switch off. It typically costs £1,495 to £2,695 including VAT for a 2 to 3 bed home.
Can you work with my letting agent?
Yes. We can take instructions from your agent, arrange tenant access, and send photos and reports to both of you.
Do you cover Carmarthen and nearby?
Yes. We cover Carmarthen and nearby places including Llanelli, Ammanford, Gorseinon and Clydach. Send your postcode and we will confirm.
What is the price of landlord ventilation work in Carmarthen?
Guide prices for Carmarthen use Wales rates: rental upgrade: PIV unit plus two humidity-controlled extract fans (typical 2 to 3 bed) is typically £1,425 to £2,550 inc VAT per property. We confirm a fixed price in writing before any work starts.
Book a survey in Carmarthen and get a fixed price per property.
Landlord ventilation near Carmarthen
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