Monmouth, Gwent
MVHR servicing and filter changes in Monmouth
Annual service, filters, heat exchanger clean and a measured airflow check for existing MVHR. Covering Monmouth and GL16 and NP25.
- From £140 inc VAT per visit
- Charged visit, price agreed first

A Monmouth MVHR service takes one to two hours and ends with measured airflows, not just new filters.
Whether the property is in the middle of Monmouth 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.
MVHR servicing in Monmouth at a glance
- Town
- Monmouth, Gwent
- Postcode districts
- GL16 and NP25
- Nearby
- Chepstow (12 miles), Abergavenny (13 miles) and Pontypool (16 miles)
- Price region
- Wales
- Survey
- Charged visit, price agreed first
How we approach MVHR servicing in Monmouth
Over a year or two the filters clog, the fans work harder, airflow at the valves drops and the house slowly goes back to condensation and stale air. It is common for a system to go years without a filter change after the builder hands over.
Filter supply
The right filters for your unit, ready to change yourself between visits.
Fault finding
Noisy fans, error codes, condensate leaks and boost controls that stopped working.
Guide prices in Monmouth
| Work | Guide price |
|---|---|
| MVHR service: filters, unit and heat exchanger clean, airflow check (per visit) | £140–£235 inc VAT |
| Rebalance and recommission an existing MVHR system (per system) | £235–£425 inc VAT |
| MVHR or MEV commissioning test, every terminal measured and recorded (per system) | £235–£375 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.
When to get it looked at
- The unit is louder than it used to be
- You have moved into a new build and nobody has serviced it
- Water dripping from the unit or ducts
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. We design to the Welsh rates and commission mechanical systems so the results can be recorded.
Questions from Monmouth
What area around Monmouth do you work in?
All of Gwent. Near Monmouth that includes Chepstow, Abergavenny, Pontypool and Cwmbran.
Can you service any make of MVHR?
We service most common makes of whole-home MVHR unit. If we cannot get parts for an older or unusual unit we will tell you before the visit and suggest options.
Why has my MVHR system gone noisy?
Noise usually comes from clogged filters making the fans work harder, a fan bearing wearing out, or valves that have been closed down. A service and rebalance fixes most cases.
Do you cover Monmouth and nearby?
Yes. We cover Monmouth and nearby places including Chepstow, Abergavenny, Pontypool and Cwmbran. Send your postcode and we will confirm.
What is the price of an MVHR service in Monmouth?
Guide prices for Monmouth use Wales rates: MVHR service: filters, unit and heat exchanger clean, airflow check is typically £140 to £235 inc VAT per visit. We confirm a fixed price in writing before any work starts.
Book an MVHR service in Monmouth and tell us the make of unit if you know it.
MVHR servicing near Monmouth
More services in Monmouth
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.