Ventilation repairs and fault finding in Greater London

We tell Greater London customers honestly when a repair is not worth it.

Every job in Greater London gets a written quote before it starts and a commissioning record when it finishes. We cover Islington, Westminster, Bexley, Barking and Archway and the villages around them.

Repairs in Greater London at a glance

Area: Greater London
Towns listed: 216, largest Brent
Postcode districts: SM2, KT1, KT2, N1, N1C and RM11
Price region: London
Survey: Charged visit, price agreed first

How we do it

Sometimes repair is not worth it, and a modern replacement is cheaper to run; we will say so. For homes, a visit covers fans, PIV and MVHR. For businesses, we repair extract fans, heat recovery units, AHUs and kitchen extract fans.

Kitchen extract fans

Fan motors, belts and controls on canopy systems.

Repair or replace advice

Honest comparison of repair cost against replacement.

Home repairs

Fans, PIV units and MVHR systems.

Guide prices in Greater London

Ventilation repairs and fault finding guide prices in Greater London
Work	Guide price
Home repair or fault-finding visit, first hour (parts extra) (per visit)	£115–£200 inc VAT
Commercial repair or breakdown visit, first hour (parts extra) (per visit)	£175–£295 + VAT

London rates shown. Home prices include VAT at 20%; business prices exclude VAT. The fixed price is confirmed in writing after we have seen the job.

Signs it is time to call us

Controls or boost switches that do nothing
Extraction that has gradually weakened
A fan that hums but does not spin

Rules 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.

How the job runs

Describe the fault
Diagnose
Price
Fix
Test

Towns we cover in Greater London

Questions about ventilation repairs and fault finding in Greater London

Is the survey free in Greater London?

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.

Can you come out urgently?

We cannot promise an out-of-hours or same-week visit. We try to fit in failed kitchen extract and commercial plant first, so ask about the earliest available visit when you call.

How much does a ventilation repair cost?

A home repair visit costs £95 to £165 including VAT for the first hour, plus parts; commercial visits are £145 to £245 excluding VAT for the first hour.

Which rules apply to ventilation in Greater London?

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.

Which towns in Greater London do you cover?

All of Greater London, including Islington, Westminster, Bexley, Barking and Archway. If your town is not listed, send the postcode and we will confirm.

We price every Greater London repair before carrying it out.