Airflow testing and commissioning in Worcestershire

Airflow testing measures how much air each fan or valve actually moves, using a calibrated flow hood, and records it against the required rates. It is how you prove a ventilation system works, and for new homes it is part of the building regulations.

If you are anywhere in Worcestershire, send the postcode and a few photos and we will tell you what we would recommend. Towns we cover include Bromsgrove, Evesham, Droitwich, Stourport-on-Severn and Worcester.

Airflow testing in Worcestershire at a glance

Area: Worcestershire
Towns listed: 8, largest Worcester
Postcode districts: WR3, WR4, DY11, DY12, WR1 and WR2
Price region: West Midlands
Survey: Charged visit, price agreed first

What airflow testing and commissioning involves

Approved Document F expects mechanical ventilation in new dwellings to be tested with a flow device that has been calibrated within the last 12 months, and the results recorded on a commissioning sheet. The person commissioning should be registered with a competent person scheme for ventilation or show evidence of competence; we tell you who will sign your sheet when we quote. Testing is also useful outside new builds: it shows landlords and homeowners whether existing fans meet the rates, and it is the first step in rebalancing an MVHR system that no longer feels right.

Extract fan tests

Each fan measured and compared with the Part F rate for the room.

MEV and dMEV commissioning

Trickle and boost rates measured and set.

MVHR commissioning

Supply and extract at every valve measured and balanced.

Guide prices in Worcestershire

Airflow testing and commissioning guide prices in Worcestershire
Work	Guide price
Airflow testing and commissioning sheet for extract fans (up to 6 fans) (per home)	£145–£295 inc VAT
MVHR or MEV commissioning test, every terminal measured and recorded (per system)	£245–£395 inc VAT
Rebalance and recommission an existing MVHR system (per system)	£245–£445 inc VAT

Guide prices using West Midlands rates. Prices include VAT at 20%. A guide price is not a quote: we confirm a fixed price in writing first.

Signs it is time to call us

After MVHR or MEV installation by another company
A landlord file needs proof of ventilation
After rebalancing or extending a system

Rules in England

In England, ventilation is covered by Part F of the Building Regulations and its guidance, Approved Document F (2021 edition). 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.

How the job runs

Book
Measure
Adjust
Record
Advise

Towns we cover in Worcestershire

Questions about airflow testing and commissioning in Worcestershire

Are prices different in Worcestershire?

Our guide prices are adjusted by region. In Worcestershire we use West Midlands rates, so airflow testing and commissioning sheet for extract fans (up to 6 fans) is typically £145 to £295 inc VAT per home.

How long does it take?

Most homes take under an hour; a full MVHR balance can take two to three hours.

Can you test commercial systems?

Yes. We measure and balance commercial supply and extract systems too.

Is the survey free in Worcestershire?

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.

Which rules apply to ventilation in Worcestershire?

In England, ventilation in new and altered homes is covered by Approved Document F of the Building Regulations. Landlords also have duties under the Housing Health and Safety Rating System, and workplaces must be ventilated under the Workplace (Health, Safety and Welfare) Regulations 1992.