Greater London · Extract fan repair and replacement

Northfields extract fan repair

Extract fan repair in Northfields from ventilation hygiene specialists trading since 2009. Evenings, overnight and weekends, plus a 24/7 emergency line.

  • A humming noise from the fan motor
  • An old fan that needs replacing
  • An extract fan that has stopped working

Extract fan repair for sites in Northfields

What happens if it’s left?

An overloaded motor is under constant strain. Every hour of strain takes its toll and a burnt-out motor is a bigger job than a worn belt. Early attention keeps the cost and disruption down. For a site in Northfields, fitting the work in overnight now is far easier than closing at short notice later.

The cost depends on the size of the system, what state it’s in and access to every part of it. You get a fixed price before work begins, so there are no surprises.

What you get with us

  • CHAS, SafeContractor and ISO 9001
  • In business since 2009
  • Every job surveyed first
  • Fixed quotes, usually within one working day

Read what affects the cost and our accreditations and certificates.

Extract fan repair in Northfields

Kitchens in Northfields call us about extract fans and motors that are noisy, slow or dead, we diagnose the fault and send you a fixed quote to repair or replace it. For a fan that fails during service, there’s a 24/7 emergency callout. If you have a fan rattling in its housing and a failed fan that needs a replacement, we can help, from belts and pulleys, fan housings and fan motors onwards.

Replacing a fan in a London building often means working at height or in a tight plant space, with parking and lifting to arrange in Northfields. Repairs can be done out of hours so the kitchen keeps trading.

Duct Doctor has been trading since 2009, and we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. CHAS, SafeContractor and ISO 9001 are in place too, and we are fully insured.

Location
Northfields (W5, W13, TW8)
Wider area
Greater London
Paperwork
Photo report after every visit
Quotes
Fixed quote, typically within a working day
Hours
After hours by arrangement; emergencies any time
Call
0345 646 2711
Updated
30 October 2026
Five Duct Doctor technicians in navy uniforms with the company vans

Do you need extract fan repair in Northfields?

Any kitchen that cooks for long hours works its fan hard, in Northfields or anywhere else. Belts on a belt-driven fan stretch and wear and a slipping belt means slower fan speed and weaker extraction.

These are the problems we see most often:

  • A dead fan motor
  • A fan that whines, hums or grinds
  • A failed fan that needs a replacement
  • Weak extraction and a smoky kitchen

If you manage a school such as Mount Carmel Catholic Primary School and the kitchen fan is getting louder, the next break is the time to deal with it.

Before you book anyone

  • If the quote is a fixed price or an estimate
  • Whether the whole system is included, or only the parts that are easy to reach
  • Whether the work can be done while the site is closed
  • What records you will receive afterwards

Our hiring checklist

Your questions about extract fan repair in Northfields

How do you handle parking and loading in Northfields?

Parking and loading in London need planning, so tell us about bays, permits and building rules when you book. Working overnight, as we often do in London, normally makes it simpler.

Do you work at weekends in Northfields?

Yes, out-of-hours work is a big part of what we do. It means the site in Northfields keeps running as normal. Your opening times are the first thing we ask for.

Will I get paperwork for my records?

Yes. It’s your proof that the work was done: a dated report with pictures, listing the work and any areas we couldn’t reach.

What causes a noisy extract fan?

Noise typically comes from grease build-up, bearings, belts or loose fixings. Rattles, whines and grinding point to different faults, and we diagnose it on site.

Do we need to close while you work?

Not typically. We need the work area to ourselves while we are on site, so the visit goes in a quiet slot.

Who is the responsible person?

The Fire Safety Order 2005 calls them the responsible person: often the employer, owner or occupier. Landlords, facilities managers and managing agents can also hold responsibility.

Does a faulty extract fan always need replacing?

Often, yes. A clean, a new belt or new bearings can bring a fan back, and we’ll always say when repair makes sense.

Will you tell us when the next visit is due?

Yes. The interval depends on how much the system is used and what we find, and we explain the reasoning on the report.

Managing agents and facilities teams in Northfields

We work for landlords, managing agents and facilities managers as well as the people running the site. Where a system serves more than one tenant, such as a shared riser, it helps to agree who arranges the work, and we can quote for the whole system.

From a single site to a large estate, the standard is the same: diagnosis, a fixed price, work booked around your hours and a written report with pictures.

How the job changes from site to site

Belt-driven fans

Belt drives have more moving parts than direct-drive fans. More parts to inspect, but many faults are straightforward to fix.

Impellers and housings

A damaged or corroded impeller cannot simply be cleaned. It may be replaced on its own, or with the whole fan.

How the visit works

We turn up at the time agreed with you, which is often after service, overnight or at a weekend. Equipment that has to be off is switched off and allowed to cool before work begins, and floors and nearby surfaces are sheeted. On site, it takes part of a day for most faults, with a return visit if parts have to be ordered. Getting kit into a London building takes planning, so let us know where we can load and park in Northfields.

  1. We agree a time to attend, out of hours if needed.
  2. The extract is switched off and the fan opened up.
  3. We inspect every moving part and the fixings.
  4. You hear whether repair or replacement makes sense, with a fixed quote.
  5. We complete the work and check the fan runs smoothly.

Preparing for the visit

  • Clear the space around the work
  • Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas
  • Mention any sign-in, permit or induction we need

Get a fixed quote

Quoting starts with a diagnosis, from your photos and details or, where that isn’t enough, a survey on site. After that, you get a fixed price for the work so you know the cost before we start.

Get a quick quote

Advice

When a fan fails in Northfields

Look up Northfields on the FSA’s food hygiene register and you will find about 444 cafés, restaurants and staff canteens and about 96 sandwich bars and takeaways in and around Northfields, up to about a mile and a half out. For any of them with a canopy, the extract fan is what keeps the kitchen usable. Food hygiene inspections in Northfields are the job of Ealing council’s environmental health team. A kitchen with no working extract can fall short of the suitable and sufficient ventilation food hygiene rules expect. So a failed fan is worth fixing before the next service, not the next month. We ask about access first for a London fan job, because roofs and basements need planning.

For kitchens close to Brentford station, a fan that stops mid-service needs fixing fast, and our emergency line runs 24/7.

Northfields is about 1 mile south of Ealing, in Greater London. Sites in Northfields get the same service as everywhere we cover: diagnosis first, a fixed price, out-of-hours working where needed and a written report with photos. Our Greater London coverage runs to 764 places, and Northfields is one of them. There’s also a page for London, roughly 9 miles from Northfields.

Here we cover the W5, W13 and TW8 postcode area for extract fan repair. Whether your site is on Burns Road, South Road and Elers Road or a nearby road, we can help. Northfields is on the A3002, so it’s easy for us to get to for extract fan repair. Other places close to Northfields include Brentford (1 mile south-east), Gillette Corner (1 mile south-west), Brentford End (1 mile south), Osterley (2 miles south-west) and Spring Grove (2 miles south-west). Further out, we also cover London (9 miles east), City of Westminster (7 miles east), Marylebone (7 miles east), Kensington (5 miles east), St Pancras (9 miles east) and Shoreditch (10 miles east).

Near you in Northfields

Locally, jobs take us to businesses close to Ealing Fields High School, Great Ealing School and Ealing Park Tavern, among other places. Other local landmarks include Library for Iranian Studies (1.8 miles east) and Lammas Park (less than half a mile north). The closest station to Northfields is Brentford station, about 0.8 miles south of the centre. Nearby you will also find Gunnersbury Park House - Large Mansion (1.2 miles east) and Treaty Centre (3 miles south-west). For a walk, there’s Middle Lake and Long Wood.

Map of Northfields © OpenStreetMap contributors

When something else is needed

Not every problem is solved by extract fan repair, and we’d rather say so up front. It does not solve:

  • A system that needs redesigning rather than repairing
  • Faults in the building’s electrical supply, which need an electrician
  • Odour complaints that need filtration rather than a fan repair

If you are not sure, just phone us on 0345 646 2711 or drop us a line and we’ll give you a straight answer.

What we work on in Northfields

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

In-house cleaning or a specialist?

In-house cleaning and specialist cleaning do different jobs. Wiping filters daily and washing them weekly keeps the visible parts in order, but they do not reach the grease that builds up further in. Reaching it takes a specialist with the right equipment.

Logging matters as much as cleaning. A dated log of in-house cleaning and checks shows an inspector that the system is looked after between visits, next to our reports.

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