Greater London · Extract fan repair and replacement

Extract Fan Repair in Underhill

One call covers extract fan repair in Underhill: survey, fixed quote, work and sign-off. CHAS and SafeContractor accredited, ISO 9001 and fully insured.

  • A fan that won’t start at all
  • A humming noise from the fan motor
  • A worn or slipping fan belt

Extract fan repair in Underhill

Extract fan repair in Underhill, done properly

A faulty fan does not always mean a new one. Often a clean, a new belt or new bearings brings it back, and that’s what we will recommend. When a fan is worn beyond sensible repair, we fit a replacement matched to the duct and the kitchen. Typical jobs include a belt-driven fan that squeals and an overheating extract motor, across fan motors, belts and pulleys and fan housings.

London extract fans often sit on rooftops, exposed to the weather as well as the grease, and bearings, belts and motors wear out in the end. Noise and vibration are worth reporting before the fan stops.

Every visit ends with a written report and photos, so you have a record of what was done and when. Where the work is a TR19® Grease clean, the certificate is issued through the BESCA Vent Hygiene Elite portal.

Five Duct Doctor technicians in navy uniforms with the company vans
Where
Underhill (EN5, N20)
Region
Greater London
Records
Report and pictures after the visit
Price
A fixed quote up front
When we work
Nights, weekends or holidays to suit you
Phone
0345 646 2711
Reviewed
30 October 2026

Looking after it afterwards

After the visit, a few habits help the work last:

  • Do not cook with gaps in the filter bank
  • Keep a record of any trips or stoppages
  • Don’t turn the fan down to hide a noise
  • Make sure every filter is in place and clean

If parts have to be ordered, we tell you how the kitchen can carry on in the meantime. We then come back and fit them at a time that suits your service.

When filters block, the fan works harder. Keeping filters clean eases the strain and protects the motor.

When it’s something else

To be straight with you, some problems need a different fix:

  • Odour complaints that need filtration rather than a fan repair
  • Grease build-up in the rest of the extract system
  • Gas interlock faults that a Gas Safe registered engineer must deal with

If in doubt, ring 0345 646 2711, or send details by email and we will say what we think before you book.

Where we work

  • Fan housings
  • Fan motors
  • Bearings
  • Roof and wall fans
  • Kitchen extract fans
  • Belts and pulleys

What your team can do, and what needs us

For ventilation and air handling systems, in-house care is mostly about checks: clear grilles, a log of filter changes and reporting anything odd. Cleaning inside ducts and units is specialist work.

Your own staff can handle the daily basics: wiping down canopy surfaces, cleaning filters and keeping a simple log. What they cannot safely do is clean inside the ductwork, the fan or the risers, and that’s where we come in.

What the work involves, part by part

Direct-drive fans

Many kitchen extracts use direct-drive fans. When the motor fails, replacing the whole fan unit can make more sense than repairing it, and we will explain why.

Impellers and housings

A damaged or corroded impeller cannot simply be cleaned. It may need replacing, or the fan may need replacing as a whole.

How we price extract fan repair

We don’t publish a price list, because sites vary so much. What we look at:

  • Site requirements such as sign-in and permits
  • The scale of the work
  • A single visit or a regular plan
  • The condition of the system

Whatever the type of site, the quote works the same way: the size of the job, access, condition and working hours. Ask for a fixed quote and we’ll go through it with you.

What to send for a quote

The more you tell us, the more accurate the quote. When you get in touch, it helps to send:

  • When the site is open and when it’s quiet
  • How we’d reach plant on a roof or in a plant room
  • Any symptoms, from odd noises to smells or leaks
  • Where the site is and what kind of site it is

For a fixed quote, call 0345 646 2711 or use the quote form and tell us the type of site, your opening hours and roughly what the system looks like. Photos and the last report, if you have one, make the quote quicker. You’ll typically have a quote within one working day.

Landlords, agents and facilities managers

Multi-site operators often want one contractor and one number. We cover South East England and London, so visits at different addresses can be planned together and kept to a regular schedule.

Under the Regulatory Reform (Fire Safety) Order 2005, the responsible person must assess and reduce fire risk, and that can be the employer, the owner, a landlord, a facilities manager or a managing agent. With shared responsibility, good records help everyone.

Extract fan repair in Underhill: local notes

Food Standards Agency records list about 108 restaurants, cafés and canteens and about 43 takeaways across Underhill and its immediate surroundings (about a mile and a half). A kitchen with a dead extract fan gets hot and smoky fast, and kitchens like these feel it at once. A failed fan in a London kitchen normally means a closed kitchen, so access details help us plan the repair. Food hygiene inspections in Underhill are the job of Barnet council’s environmental health team. Food hygiene rules expect food premises to have suitable and sufficient ventilation. Getting the fan running again is the priority.

Occasional-use kitchens, such as a hall kitchen near St John the Baptist Church or elsewhere in Underhill, are where a stiff or seized fan can turn up. If you run a school kitchen, at a school such as St Catherine's RC School or nearby, a fan that’s getting noisy is best repaired in the holidays before it fails in term.

Underhill is about 1 mile west of Barnet, in Greater London. Wherever you are in the EN5 postcode area, we cover extract fan repair for commercial sites. We cover 764 places across Greater London, large and small. London is in our area too, around 11 miles away.

Extract fan repair in EN5 and N20 follows the same survey, fixed quote and written report as everywhere else we cover. We cover sites on Park Road, May's Lane and Manor Road and the roads around them. Nearby, we also carry out extract fan repair in Barnet (1 mile east), New Barnet (1 mile east), Monken Hadley (1 mile north), Hadley Wood (1 mile north-east) and Cockfosters (2 miles east). We also work in nearby towns such as London (11 miles south-east), City of Westminster (9 miles south), Marylebone (9 miles south), Kensington (10 miles south), St Pancras (9 miles south) and Shoreditch (10 miles south-east).

Landmarks near Underhill

Around Underhill, our work takes us to kitchens and buildings near Susi Earnshaw Theatre School, Highlands Gardens and The Red Lion pub and the streets around them. The nearest railway station is New Barnet station, roughly 1 mile east. Nearby you will also find Francis Skaryna Belarusian Library and Museum (2.2 miles south) and Barnet General Hospital (0.9 miles west). For a walk, there’s Greenhill Gardens and Darland's Lake.

Map of Underhill © OpenStreetMap contributors

Questions from Underhill

Who would carry out a food hygiene inspection at a kitchen in Underhill?

The local authority for Underhill is Barnet council, and its environmental health team does the inspecting. An officer may ask how the kitchen is ventilated, so keep repair records with your maintenance file.

Do you cover Underhill for emergency fan repairs?

Our emergency line runs 24/7, and Underhill is within the area we cover. Phone 0345 646 2711 and we’ll talk through the fault and access. A photo of the fan’s rating plate helps.

Will I get paperwork for my records?

Yes, on every job. The report is dated and includes pictures, and TR19® Grease cleans come with a certificate through the BESCA VHE portal. Keep it in your maintenance log.

What should go in our maintenance log?

Anything that proves the system is maintained: reports, certificates, pictures and your own cleaning or check logs. A single log for each site works best.

What causes a noisy extract fan?

Grease on the blades throws the fan out of balance, which is a common cause of noise. Bearings, belts and mountings can also be to blame.

Who is responsible for fire safety on the premises?

In the words of the Fire Safety Order 2005, it’s the responsible person. That is generally the employer or the person in control of the premises, and in shared buildings more than one person can have duties. Your lease and fire risk assessment should make it clear.

Is TR19 cleaning required by law?

No. The law sets the duty; TR19® is the benchmark used to show it’s met. Under the Regulatory Reform (Fire Safety) Order 2005, the responsible person has to manage fire risk, and without records, many insurers may refuse or reduce a claim.

Do you have insurance?

Yes. We are fully insured, and the details are available on request.

What we do, step by step

When we arrive, we check the system against the survey or the photos you sent. If anything is different, we talk it through with the person on site before carrying on. From there, it takes a few hours for most repairs, longer for a full fan replacement. Getting kit into a London building takes planning, so let us know where we can load and park in Underhill.

  1. We agree a time to attend, out of hours if needed.
  2. The extract is switched off and the fan opened up.
  3. Bearings, drive, impeller, motor and mounts are inspected.
  4. We explain the options and quote a fixed price.
  5. The fan is repaired or replaced, then checked running.

Getting ready for the visit

  • Tell us where we can park and unload
  • Let us know about permits to work or site inductions
  • Clear the space around the work

Get a fixed quote

Want a quote for extract fan repair? Please ring 0345 646 2711 or send us an email with a few details about the site. We will explain what we’d do and send a fixed quote before you commit to anything.

Get a quick quote

Advice

BESCA Vent Hygiene EliteMember, cleaning to BESA TR19® Grease
CHAS · SafeContractorISO 9001 and fully insured
Certificate and photo reportWith every clean
24/7 emergency calloutEvenings, nights and weekends
Since 2009South East England and London