Greater London · Grease filter exchange
Grease filter exchange in West Hampstead, Greater London
Grease filter exchange across West Hampstead and nearby, booked around your opening hours and signed off in writing with pictures.
- Weak extraction at the canopy
- Damaged filters letting grease past
- Missing filters in the filter bank
Grease filter exchange in West Hampstead, done properly
We run grease filter exchange for all kinds of kitchens in West Hampstead, whether there’s one canopy or many. Visits can be timed around your service so nobody has to stop cooking. The work covers baffle filters, school and hospital kitchens and island canopies, and common reasons people get in touch are grease building up behind the canopy filters and filters that come out of the sink still dirty.
London kitchens tend to trade late and open early, so extract cleaning in West Hampstead is typically done overnight, after the last service. Parking, loading and access to the roof are agreed with the building before the night of the clean.
Duct Doctor has been trading since 2009, as a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. CHAS, SafeContractor and ISO 9001 are in place too, and we’re fully insured.
- Place
- West Hampstead (NW3, NW6, NW2)
- Wider area
- Greater London
- Paperwork
- Report and pictures after the visit
- Price
- Fixed quote, typically within a working day
- Hours
- When your site is closed, plus a 24/7 line
- Phone
- 0345 646 2711
- Reviewed
- 30 October 2026
Between visits
To keep the system working properly between visits:
- Watch for grease drips between visits
- Report damaged filters so they can be replaced
- Keep canopy surfaces wiped down
- Book full TR19 cleans alongside filter changes
We tell you if we spot anything in the canopy that needs attention. That might mean bringing a TR19® clean forward and we can book that in.
Clean filters plus regular full cleans keep the system in good health. A maintenance plan that covers both keeps everything on track.
Places near West Hampstead
More services for West Hampstead
How it works
Every visit runs to the same pattern: sheeting and protection first, isolate whatever needs isolating, carry out the grease filter exchange, clear away and leave you the report. The visit itself takes a short visit, depending on how many filters the canopies hold. A name and number for whoever controls access to the building in West Hampstead saves time on the night.
- First, we record the size, type and number of filters in each canopy.
- Together we set how often the filters should be changed.
- Each visit starts with the used filters being removed.
- Clean filters go straight back in, seated properly with no gaps.
- Anything we notice, such as bent filters or a dirty plenum, is pointed out.
Before we arrive
- Mention any sign-in, permit or induction we need
- Mention any parking or loading restrictions
- Agree a time when the area can be out of use
Get a fixed quote
Need a price for grease filter exchange? Please give us a ring on 0345 646 2711, or send details by email with a few details about the site. We’ll explain what we’d do and send a fixed quote before anything is booked.
Related advice
FAQs for West Hampstead
Who would carry out a food hygiene inspection at a kitchen in West Hampstead?
That is Camden council, whose environmental health officers carry out food hygiene inspections in West Hampstead. Have your latest TR19® certificate and photo report to hand, as an officer may ask how the extract is maintained.
Can you work in West Hampstead outside opening hours?
Yes, we can come after you close and finish before you open. That way a site in West Hampstead doesn’t have to lose a day’s trading. Just call us on 0345 646 2711, or send details by email with your opening times and we’ll plan around them.
What should go in our maintenance log?
The reports and certificates from each visit, plus your own logs. Insurers, fire officers and EHOs may all ask to see them, so keep them where they can be found quickly.
Do you look at the system first?
Yes. We always survey first, either from photos and details you send or on a site visit. A fixed quote follows.
Where do the greasy filters go?
We take them away. That’s how an exchange works: clean filters in, dirty ones out and nothing greasy left on site.
How do you keep the site clean during the work?
Floors and surfaces near the work are sheeted before we start, and anything we remove is contained. Before we leave, we tidy up and clean down.
Do you have a 24/7 line?
Yes, day and night, every day of the year. Office hours are Monday to Friday, 8am to 6pm, with the emergency line covering every other hour.
What does grease filter exchange cost?
Pricing depends on the kitchen, so we quote once we know your filters and schedule. You get a fixed price before the service starts.
When to call us in West Hampstead
What a kitchen cooks affects how fast filters clog. Frying, grilling and chargrilling produce far more grease than steaming or baking so no single schedule suits every kitchen.
Clients normally contact us after spotting one of these:
- Poor airflow through the filters
- Grease filters clogged with grease
- Filter washing that keeps being missed
- Missing filters in the filter bank
Healthcare kitchens can’t easily close, so their extracts are cleaned overnight or between meal services; the nearest hospital to West Hampstead is New End Hospital, about 0.5 miles north-east.
What to look for in a quote
- What insurance they carry
- Whether a survey comes first
- Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor
- Whether the quote shows VAT
What staff can safely do
Staff cleaning doesn’t replace a specialist visit; it supports it. Regular in-house cleaning slows the build-up, but the parts you can’t see still need a specialist at the right interval.
In-house cleaning and specialist cleaning do different jobs. Wiping filters daily and washing them weekly keeps the visible parts in order, but grease that has passed the filters is out of reach. That part needs specialist access and equipment.
For landlords and multi-site operators
From a single site to a large estate, the standard is the same: the system surveyed, the price fixed, the visit fitted around trading and everything written up afterwards.
We also work for facilities teams across offices, schools and healthcare across Greater London. Work can be phased by floor, building or site to keep disruption down.
What the work involves, part by part
Baffle filters
When baffles fill with grease, less air gets through. A clean exchange set brings the airflow back.
Mesh filters
Older or smaller canopies often use mesh filters. They can be on the same exchange schedule as baffle filters.
West Hampstead kitchens: local notes
Food Standards Agency records include about 51 bars, pubs and nightclubs and about 19 hotels and guest houses within roughly a mile and a half of the centre of West Hampstead. Wherever they cook, the canopy, duct and fan collect grease just as a restaurant’s do. West Hampstead sits within the area of London Fire Brigade. The Fire Safety Order puts the duty on whoever runs a kitchen to control its fire risk, and a greasy duct is fuel. Environmental health officers from Camden council inspect food businesses in West Hampstead. Extraction counts as kitchen equipment, so its condition can come up on the day. Our report lists what was cleaned and when, which is useful to have ready.
A kitchen near Finchley Road & Frognal station that serves breakfast and dinner can run its extract twelve hours or more, which shortens the cleaning interval. If you run a church or community hall kitchen, near Presbyterian Church Of St Andrew or elsewhere in West Hampstead, its extract still collects grease from every lunch and event.
West Hampstead is about 3 miles north-west of City of Westminster, in Greater London. For grease filter exchange in and around West Hampstead, please call us on 0345 646 2711, or send details by email for a fixed quote. Our area covers London and the South East, including West Hampstead. We cover 764 places across Greater London, from busy centres to quieter spots. We also work in London, around 6 miles away.
Here we cover the NW3, NW6 and NW2 postcode area for grease filter exchange. Whether your site is on Mill Lane, Acol Road and Ajax Road or a nearby road, our technicians can take on the work. West Hampstead sits on or near the A502, so getting to you is simple for grease filter exchange. If your site is just outside West Hampstead, we cover Fortune Green (1 mile west), Hampstead (1 mile east), Greenhill (1 mile east), Childs Hill (1 mile north-west) and Vale of Health (1 mile north-east). Within a short drive, we also cover London (6 miles south-east), City of Westminster (3 miles south-east), Marylebone (3 miles south-east), Kensington (4 miles south), St Pancras (4 miles south-east) and Shoreditch (5 miles east).
Near you in West Hampstead
Typical jobs here are in premises near South Hampstead High School, Holly Bush pub and Kilburn Grange Park. West Hampstead has its own railway station: Finchley Road & Frognal station. A little further out are Isokon Gallery (1.2 miles east) and New End Hospital (0.5 miles north-east). Green spaces nearby include Parliament Hill and Westbere Copse.
When it’s something else
Some problems need a different service or another trade:
- Extraction problems caused by the fan rather than the filters
- A canopy that needs a proper clean
- An extract that was undersized from the start
If in doubt, ring 0345 646 2711 or send us an email and we’ll say what we think before booking.
Parts of the system we cover
- School and hospital kitchens
- Restaurants and pubs
- Baffle filters
- Mesh filters
- Island canopies
- Wall canopies