Longfield, Kent
MVHR servicing and filter changes in Longfield
Annual service, filters, heat exchanger clean and a measured airflow check for existing MVHR. Covering Longfield and DA3, DA4 and DA13.
- From £160 inc VAT per visit
- Charged visit, price agreed first

Many new-build homes in Longfield have MVHR that has not been serviced since handover.
We cover Longfield and the surrounding DA3, DA4 and DA13 postcodes as part of our work across Kent. Servicing, testing and repair visits are charged, and we tell you the cost before booking.
MVHR servicing in Longfield at a glance
- Town
- Longfield, Kent
- Postcode districts
- DA3, DA4 and DA13
- Nearby
- Hartley (1 mile), Swanscombe (4 miles) and Gravesend (4 miles)
- Price region
- South East
- Survey
- Charged visit, price agreed first
How we approach MVHR servicing in Longfield
It is common for a system to go years without a filter change after the builder hands over. A service puts that right.
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 Longfield
| Work | Guide price |
|---|---|
| MVHR service: filters, unit and heat exchanger clean, airflow check (per visit) | £160–£270 inc VAT |
| Rebalance and recommission an existing MVHR system (per system) | £270–£490 inc VAT |
| MVHR or MEV commissioning test, every terminal measured and recorded (per system) | £270–£435 inc VAT |
South East rates shown. Prices include VAT at 20%. The fixed price is confirmed in writing after we have seen the job.
Signs it is time to call us
- The unit filter warning is showing
- Condensation is back on windows that used to stay dry
- Bathrooms take longer to clear after a shower
Rules that apply in England
In England, ventilation is covered by Part F of the Building Regulations and its guidance, Approved Document F (2021 edition). It sets extract rates for kitchens, bathrooms and utilities and asks for mechanical ventilation to be commissioned and recorded.
Questions from Longfield
What is the price of an MVHR service in Longfield?
Guide prices for Longfield use South East rates: MVHR service: filters, unit and heat exchanger clean, airflow check is typically £160 to £270 inc VAT per visit. We confirm a fixed price in writing before any work starts.
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.
How often should MVHR filters be changed?
Most manufacturers recommend changing MVHR filters every 6 to 12 months, and more often near busy roads or building sites. A full service once a year is a sensible minimum.
Is the survey free in Longfield?
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.
How do I get a price for an MVHR service in Longfield?
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.
Book an MVHR service in Longfield and tell us the make of unit if you know it.
MVHR servicing near Longfield
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