Greater London · Extract fan repair and replacement

Extractor fan repair in Northwick Park

Our technicians work in Northwick Park on extract fan repair. Fixed quotes, work around your opening hours and photo reports on every job.

  • A belt-driven fan that squeals
  • A fan that keeps cutting out
  • A failed fan that needs a replacement

Extract fan repair near Northwick Park

What extract fan repair looks like in Northwick Park

The FSA’s food hygiene register shows about 237 restaurants, cafés and canteens and about 107 sandwich bars and takeaways within 1.5 miles or so of the middle of Northwick Park. A kitchen with a dead extract fan gets hot and smoky fast, and kitchens like these feel it at once. Food hygiene inspections in Northwick Park are the job of Harrow council’s environmental health team. A kitchen with no working extract can fall short of the suitable and sufficient ventilation food hygiene rules expect. A kitchen without a working fan has a problem to fix quickly. In London, a fan on a roof or in a basement can take planning to reach, with parking and loading to arrange.

If you run a church or community hall kitchen, near Saint Cuthberts Church or elsewhere in Northwick Park, an extract fan that rarely runs can seize or fail when it’s needed. Holidays are the time to replace a tired kitchen fan at schools such as Harrow High School, rather than mid-term.

Northwick Park is about 1 mile south-west of Kenton, in Greater London. We carry out extract fan repair for commercial premises of every kind in Northwick Park and the rest of Greater London. Our area takes in 764 places across Greater London, large and small. You can also see our page for London, roughly 11 miles from Northwick Park.

All of HA1, HA3 and HA0 is covered for extract fan repair, from busy streets to back roads. You’ll find streets such as Lyon Road, Manor Road and Gayton Road, all of which we cover for extract fan repair. You’ll find Northwick Park on the A404, which makes it straightforward for our technicians to reach for out-of-hours visits. Other places close to Northwick Park include Greenhill (1 mile north-west), Harrow on the Hill (1 mile south-west), South Kenton (1 mile east), Kenton (1 mile north-east) and Harrow (1 mile west). Further out, we also cover London (11 miles south-east), City of Westminster (9 miles south-east), Marylebone (9 miles south-east), Kensington (7 miles south-east), St Pancras (10 miles east) and Shoreditch (11 miles east).

Landmarks near Northwick Park

In Northwick Park, that means kitchens and buildings near St Anselm's Catholic Primary School, Orley Farm School and Preston Park, among other places. For rail, the closest station is Kenton station, roughly 0.6 miles north-east of the centre. Well-known places in the area include Northwick Park Hospital (within half a mile north-east) and Kodak Museum (1.5 miles north-west). Green spaces nearby include Masons Field and Northala Fields.

Map of Northwick Park © OpenStreetMap contributors

How we handle extract fan repair in Northwick Park

Across Northwick Park, we deal with fan faults of every kind, from rattling and humming to a fan that has stopped dead. The fault is diagnosed, quoted at a fixed price and put right, or the fan is replaced if repair does not make sense. If you have a fan rattling in its housing and a fan that keeps cutting out, we can put it right, from belts and pulleys, bearings and roof and wall fans onwards.

In London, getting a new fan to the roof or plant room can take planning, and in Northwick Park, parking and lifting are part of that. Work can be done after service, so the kitchen loses as little time as possible.

Nothing is signed off by word of mouth: a dated report with photos of the work, and for TR19® Grease cleans, a certificate issued through the BESCA VHE portal. It shows what was done and what, if anything, couldn’t be reached.

Duct Doctor duct and vent cleaning vans lined up in a car park with the team
Where
Northwick Park (HA1, HA3, HA0)
Wider area
Greater London
Records
Written report with photos
Price
A fixed price before work begins
Hours
Out of hours as standard, 24/7 emergency line
Call
0345 646 2711
Page updated
30 October 2026

Your questions about extract fan repair in Northwick Park

What do you need to know about parking in Northwick Park?

Tell us where a van can stop near your site in Northwick Park, and about any building rules on loading. Working overnight, as we often do in London, usually makes it simpler.

Who inspects food businesses in Northwick Park?

The local authority for Northwick Park is Harrow council, and its environmental health team does the inspecting. Keeping the fan serviced is easier than explaining a broken one on inspection day.

Do you cover Northwick Park?

Yes. We work in Northwick Park and the rest of Greater London, within our South East and London area. For a fixed quote, phone us on 0345 646 2711 or email us.

What is TR19?

BESA’s ventilation hygiene specification in two main parts: TR19® Grease for kitchen extracts and TR19® Air for supply and extract systems. It is not legislation, but it’s the standard people check against.

Which kinds of sites do you work on?

Any commercial site with kitchens or ventilation, from a single café to a large school. Hotels, schools, care homes, offices, shops and leisure sites are all part of our work.

Does the report say when we need you again?

Yes. Every report includes a recommended date for the next visit, based on what we found and how the system is used.

How much time does a fan repair need?

A typical repair takes an hour or two to diagnose, then longer if parts or a new fan are needed, including testing. We plan the work around your service wherever we can.

Which accreditations do you hold?

BESCA Vent Hygiene Elite membership, cleaning to BESA TR19® Grease, plus CHAS, SafeContractor and ISO 9001. We are fully insured and have been trading since 2009.

Between visits

Simple habits between visits make a real difference. Our advice:

  • Make sure every filter is in place and clean
  • Write down when the fan misbehaves
  • Book regular TR19 cleaning, which includes the fan
  • Keep access to the fan controls unobstructed

Grease on the fan usually means grease in the duct as well. We can book a TR19® clean of the whole extract, with a certificate and photo report.

Regular TR19 cleaning includes the extract fan. Keeping grease off the impeller is one of the simplest ways to protect it and that means less wear.

What affects the quote in Northwick Park

A fixed price needs a few facts first. We look at:

  • Whether it’s a one-off visit or part of a schedule
  • Whether several sites go on one quote
  • How easy every part is to reach
  • Parking and loading at the site

No two sites are the same, so each one gets its own fixed quote. The size of the job, how we reach it, its condition and the working hours all make a difference.

Helping us quote

To speed up the quote, please include:

  • Problems your staff have spotted
  • Wide photos of the system and the area around it
  • Where the plant sits or the system leaves the building, such as a roof or outside wall
  • Any access panels or hatches you can see

The quickest way to a quote is to send photos: the system from a couple of angles, plus any access panels or hatches. Add the site type and your opening hours, and many jobs can be priced from that alone.

The process

There are three stages on the day: getting the area ready, doing the work and signing it off. Set-up means sheeting and making equipment safe, and the sign-off is a written report with pictures. The middle part takes longest, which takes part of a day for most faults, with a return visit if parts have to be ordered. Most London sites cannot stop for the day, so work in Northwick Park is usually done overnight, early in the morning or at weekends.

  1. A visit is booked, in the evening or overnight if that suits.
  2. The extract is switched off and the fan opened up.
  3. We inspect every moving part and the fixings.
  4. We explain the options and quote a fixed price.
  5. We complete the work and check the fan runs smoothly.

Before we arrive

  • Tell us where we can park and unload
  • Allow time for equipment near the work to be turned off and cool down
  • Tell us about site rules, permits or sign-in

Ask for a quote

If you need extract fan repair in Northwick Park, call 0345 646 2711 or email us. Tell us what kind of premises it is and when it’s open, and send pictures or your last report if you can. A fixed quote typically follows within one working day.

Get a quick quote

Advice

Multi-site and managed buildings

Whether it’s one building or many, the standard is the same: diagnosis, a fixed price, work booked around your hours and a written report with pictures.

Managing agents often deal with us directly. Tell us the site, the work and the access arrangements, and we will send a fixed quote.

How the job changes from site to site

Impellers and housings

The impeller does the work of moving air through the system. Grease deposits unbalance it and make it shake.

Belt-driven fans

With belts and pulleys, there’s more to wear. That means more to check, but often a simpler repair.

Leave it or put it right?

A fan that is running slowly isn’t clearing the kitchen properly. The kitchen becomes an uncomfortable place to work, and more grease settles where it shouldn’t. In a London building, a problem in a duct, damper or fan rarely stays in one unit.

When the work has to happen, how we reach it and how big the site is all affect the cost. We take each of them into account, and the price is fixed before any work starts.

Why choose Duct Doctor in Northwick Park

  • BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
  • Full insurance on every job
  • CHAS, SafeContractor and ISO 9001
  • Every visit written up, with pictures

Read what affects the cost and how to check a contractor.

Signs you need extract fan repair in Northwick Park

Fixings and anti-vibration mounts work loose or perish over time. The fan’s movement then travels into the ductwork and structure, which is where knocking and rattling often come from.

Most sites get in touch when they notice one of these:

  • An overheating extract motor
  • A humming noise from the fan motor
  • Vibration spreading from the fan into the ducts
  • A belt-driven fan that squeals

For a takeaway near Kenton station, a fan that fails on a busy evening means turning customers away, and our emergency line runs 24/7.

What to look for in a quote

  • Whether a survey comes first
  • Proof of accreditation you can verify
  • Exactly which parts of the system are covered
  • What paperwork you get at the end

Questions to ask before you book

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