Daventry, Northamptonshire
MVHR servicing and filter changes in Daventry
Annual service, filters, heat exchanger clean and a measured airflow check for existing MVHR. Covering Daventry and NN11.
- From £140 inc VAT per visit
- Charged visit, price agreed first

For Daventry homeowners, the usual signs a service is due are condensation coming back or the unit getting louder.
Whether the property is in the middle of Daventry 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 Daventry at a glance
- Town
- Daventry, Northamptonshire
- Postcode districts
- NN11
- Nearby
- Rugby (9 miles), Northampton (12 miles) and Royal Leamington Spa (15 miles)
- Price region
- East Midlands
- Survey
- Charged visit, price agreed first
How we approach MVHR servicing in Daventry
A service puts that right. We work on most makes of MVHR unit and can supply filters for future changes, so you can do the in-between swaps yourself if you would rather.
Fault finding
Noisy fans, error codes, condensate leaks and boost controls that stopped working.
Annual service
Filters, exchanger and fan clean, drain check, controls and boost checked, airflow spot-checked at the valves.
Guide prices in Daventry
| Work | Guide price |
|---|---|
| MVHR service: filters, unit and heat exchanger clean, airflow check (per visit) | £140–£240 inc VAT |
| Rebalance and recommission an existing MVHR system (per system) | £240–£435 inc VAT |
| MVHR or MEV commissioning test, every terminal measured and recorded (per system) | £240–£385 inc VAT |
These ranges use our East Midlands rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.
Signs it is time to call us
- Condensation is back on windows that used to stay dry
- Bathrooms take longer to clear after a shower
- The unit is louder than it used to be
Rules that apply in England
English building work follows Approved Document F (2021 edition) for ventilation rates, installation and commissioning. For homes, it sets minimum extract rates such as 15 litres a second for a bathroom and 30 or 60 for a kitchen, and expects mechanical systems to be airflow-tested.
Questions from Daventry
Do you cover Daventry and nearby?
Yes. We cover Daventry and nearby places including Rugby, Northampton, Royal Leamington Spa and Banbury. Send your postcode and we will confirm.
My new build MVHR has never been serviced. Is that a problem?
It is very common and usually fixable. Builders often hand over without explaining filter changes, so the first service often finds filters that are badly blocked. We clean everything and reset the airflows.
How much does an MVHR service cost?
An MVHR service usually costs £145 to £245 including VAT, depending on the unit and how easy it is to reach. Filters are included for most common units; rebalancing every valve is priced separately at £245 to £445.
What is the price of an MVHR service in Daventry?
Guide prices for Daventry use East Midlands rates: MVHR service: filters, unit and heat exchanger clean, airflow check is typically £140 to £240 inc VAT per visit. We confirm a fixed price in writing before any work starts.
Is the survey free in Daventry?
This is a charged visit because it is servicing, testing or repair work. We tell you the cost before booking. Surveys for new installations on the UK mainland are free.
Ask about filter supply when you book your Daventry service, so you can do the in-between changes yourself.
MVHR servicing near Daventry
More services in Daventry
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.