MVHR servicing and filter changes
Annual service, filters, heat exchanger clean and a measured airflow check for existing MVHR.
From £140 inc VAT per visit
Dyfed · Wales
Ventilation in Carmarthen
Homes, rentals and business premises in Carmarthen and SA31 and SA33.
- Wales rates
- Free survey for new installs
- Airflow tested and recorded
From MVHR in a new extension to a TR19 clean for a takeaway, work in Carmarthen starts the same way: a clear look at the building and a written price before anything is fitted.
If you are extending or converting in Carmarthen, ventilation is part of Building Regulations sign-off. We can fit the fans or MVHR and provide the airflow test results your inspector will ask for.
For businesses in Carmarthen we cover office and shop ventilation, commercial kitchen extraction, duct cleaning to TR19 and planned servicing of air handling units.
Carmarthen at a glance
- Town
- Carmarthen, Dyfed
- Postcode districts
- SA31 and SA33
- Nearby
- Llanelli (14 miles), Ammanford (14 miles), Gorseinon (17 miles) and Clydach (21 miles)
- Price region
- Wales
- Rules
- Wales
- Distance from our base
- about 112 miles
Services in Carmarthen
Positive input ventilation (PIV)
Loft or wall units that gently push filtered air into the home to tackle condensation.
From £750 inc VAT per home
Extractor fan installation
Bathroom, kitchen and utility fans sized to the Part F rates, ducted outside and tested.
From £165 inc VAT per fan
Condensation and mould ventilation fixes
We find why the house is wet and fix the ventilation, rather than painting over mould.
From £425 inc VAT per fan
- Ventilation for landlords and letting agents
- Commercial ventilation design and installation
- Commercial kitchen extraction
- Duct cleaning (TR19 Grease and Air)
- Ventilation repairs and fault finding
- MVHR installation
- Commercial heat recovery
- Ductwork
- Car park ventilation
- LEV
- Servicing contracts
- dMEV fans
- Single-room heat recovery
- Social housing
- Air quality surveys
- New builds & extensions
- Airflow testing
- Air handling units
Guide prices in Carmarthen
| Work | Guide price |
|---|---|
| Condensation and mould ventilation survey with written findings (per home) | £120–£215 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 |
| TR19 Grease kitchen extract clean with post-clean report, single canopy system (per clean) | £375–£850 + VAT |
Guide prices using Wales rates. Home prices include VAT at 20%; business prices exclude VAT. A guide price is not a quote: we confirm a fixed price in writing first.
Rules in Wales
In Wales, the Welsh Government's own Approved Document F (2022 edition) applies to ventilation in homes, with a new edition taking effect on 4 March 2027. Rented homes must be fit for human habitation under the Renting Homes (Wales) Act 2016, and workplaces must be ventilated under the Workplace (Health, Safety and Welfare) Regulations 1992.
Questions from Carmarthen
Do you cover Carmarthen?
Yes. We cover Carmarthen (SA31 and SA33) and nearby places including Llanelli, Ammanford, Gorseinon and Clydach.
Is the survey free in Carmarthen?
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 far are you from Carmarthen?
Our team is based in Great Barr, Birmingham, about 112 miles away. Every visit is booked by appointment and confirmed in writing.
Nearby
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.