Greater London · Grease filter exchange
Deptford grease filter exchange
Grease filter exchange for commercial sites in Deptford and across Greater London. BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease.
- Filters left unwashed on busy weeks
- Smoke and heat lingering under the hood
- Filters that come out of the sink still dirty
Honest limits
In fairness, some problems need a different fix:
- A canopy too small for the cooking beneath it
- Extraction problems caused by the fan rather than the filters
- Grease already built up in the ductwork, which needs a full TR19 clean
Not sure which it is? You can ring 0345 646 2711 or use the quote form and we will tell you honestly before you book.
What the work covers
- Baffle filters
- Island canopies
- Wall canopies
- School and hospital kitchens
- Restaurants and pubs
- Mesh filters
About our grease filter exchange in Deptford
A filter service works alongside TR19® cleaning, not instead of it. Clean filters reduce the grease reaching the ducts though vapour still carries some grease past them. That’s why the whole system still needs cleaning to TR19 at the right interval. The work covers baffle filters, school and hospital kitchens and island canopies, and people most often call us about weak extraction at the canopy and missing filters in the filter bank.
In London, few kitchens can spare a day to close, so work in Deptford is normally booked for the night or the early hours. 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, 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 carry full insurance.
- Place
- Deptford (SE8, SE10, SE14)
- Region
- Greater London
- Reporting
- Written report with photos
- Quote
- Fixed quote, usually within a working day
- When we work
- Out of hours as standard, 24/7 emergency line
- Phone
- 0345 646 2711
- Updated
- 30 October 2026
What the work involves, part by part
Busy restaurant and pub kitchens
Kitchens that fry and grill all day load their filters fast. They often need the shortest exchange interval.
Mesh filters
Layers of mesh catch grease droplets. They clog quickly in a busy kitchen, so they need changing often.
What we do, step by step
There’s very little for your team to do on the day. Someone lets us in at the agreed time and shows us where everything is, and we take it from there. Before we leave, the area is tidied and the paperwork follows. In a London area like Deptford, parking, loading and building access are planned before the day of the work.
- First, we check the canopies and the filters in them.
- We note any filters that are bent, damaged or missing.
- We exchange the dirty filters for a clean set.
- The filters are checked for fit before we go.
- We tell you if the plenum or canopy needs a clean.
Before we arrive
- Let us know about parking and loading
- Arrange a key holder or contact on site
- Mention any sign-in, permit or induction we need
How to get a quote
Quoting starts with a diagnosis, from your photos and details or, where that isn’t enough, a survey on site. Then we send a fixed price so you know the cost before any work starts.
Read more
Do you need grease filter exchange in Deptford?
Washing filters by hand doesn’t always get them clean. Grease lodges deep in baffles and mesh, and a quick rinse leaves it there.
Most sites get in touch when they notice one of these:
- Poor airflow through the filters
- A greasy plenum behind the filters
- Grease dripping from the canopy
- Filters that leave gaps in the canopy
School kitchens, at schools like Tidemill Academy for example, are usually cleaned in the holidays so no lunches are lost.
Comparing quotes
- Whether the work can be done while the site is closed
- How they set the interval to the next visit
- Exactly which parts of the system are covered
- What insurance they carry
Deptford questions
Does London parking affect a job in Deptford?
Parking and loading in London need planning, so tell us about bays, permits and building rules when you book. Much of our London work is done overnight, which helps.
Which fire authority looks after Deptford?
Deptford is in the area of London Fire Brigade. Records of extract cleaning are a sensible thing to have ready if a fire safety officer carries out an audit.
Do you work in Deptford?
Yes. We work across Greater London, Surrey, Kent, Sussex, Hampshire, the Isle of Wight, Berkshire, Buckinghamshire, Oxfordshire, Hertfordshire and Essex, and that includes Deptford.
Do you look at the system first?
Yes. For many sites, pictures and a few details are enough, and larger or hidden systems get a visit.
What do you do to protect the area?
With sheeting and covers, before anything else happens. We keep the work contained and leave the area clean.
What’s the right interval for changing filters?
It varies with the type and amount of cooking. If filters clog early, the interval needs shortening and we’ll adjust it.
Can you come out in an emergency?
Yes, day and night, every day of the year. Office hours are Monday to Friday, 8am to 6pm, and the emergency line covers the rest.
Do you clean filters as well as exchanging them?
We offer filter cleaning as well as exchange. We will explain the options when we quote.
Grease filter exchange in Deptford: the local picture
The FSA’s food hygiene register shows about 428 restaurants, cafés and canteens and about 256 takeaways in and around Deptford, up to about a mile and a half out. Any of those kitchens with a canopy relies on its filters to catch grease before it reaches the duct. Kitchens in Deptford get their food hygiene inspections from Lewisham council. An officer looking round a kitchen will see the canopy, and grease there is hard to miss. Before-and-after photos from each clean are a simple way to show the extract is in hand. Deptford sits within the area of London Fire Brigade. Fire and rescue authorities enforce the Fire Safety Order in most non-domestic premises, and in a kitchen that fire risk includes the grease in the extract.
A hall kitchen that only cooks for events, whether near St. Paul's or elsewhere in Deptford, still needs its extract cleaned, just less often. Kitchens that cook twelve hours or more a day, as some healthcare kitchens do, fall into BESA’s three-monthly minimum; Miller General Hospital is the nearest hospital to Deptford, about less than half a mile south-east.
Deptford is about 3 miles south-east of Whitechapel, in Greater London. From the centre of Deptford to the outskirts, grease filter exchange is available to all kinds of commercial premises, from small sites to large estates. Deptford is one of 764 places in Greater London we cover for grease filter exchange.
Work in SE8, SE10 and SE14 follows the same survey, fixed quote and written report as everywhere else we cover. That includes premises on Mill Lane, Dixon Road and Clare Road and the roads around them. Main roads around Deptford include the A2209, which makes travel easy for evening and night visits. We also cover the places around Deptford: New Cross (1 mile south-west), St Johns (1 mile south), Millwall (1 mile north), Isle of Dogs (1 mile north-east) and North Greenwich (1 mile north-east). We also work in nearby towns such as London (3 miles north-west), City of Westminster (6 miles north-west), Marylebone (6 miles north-west), Kensington (8 miles west), St Pancras (5 miles north-west) and Shoreditch (4 miles north-west).
Around Deptford
We work in commercial kitchens and buildings around Addey and Stanhope School, Sue Godfrey Nature Park and Deptford Arms. There’s a railway station in Deptford itself: Deptford station. Well-known places in the area include Greenwich Castle (1.1 miles east) and Lewisham Shopping Centre (1.3 miles south-east). For a walk, there’s Sue Godfrey Nature Park and Tower Hill.
Places near Deptford
What else we do in Deptford
What happens if it’s left?
In Deptford, as everywhere, a filter service is not a substitute for TR19 cleaning. They do help keep the system in better shape between cleans, and that shows when the next clean comes round. Planning ahead in Deptford lets you pick a quiet night rather than lose a busy one.
Working hours, access and the scale of the site can all change the price. We take each of them into account, and the price is fixed before we start.
Why us?
- One contact for all your sites in London and the South East
- Trading since 2009
- CHAS, SafeContractor and ISO 9001
- We diagnose before we treat
See what affects the cost and our accreditations and certificates.
What your team can do, and what needs us
Your own staff can handle the daily basics: wiping canopies, washing grease filters and recording it in a log. What they cannot safely do is clean inside the ductwork, the fan or the risers, which is where we come in.
Some jobs should never be done in-house: entering ducts, working on fans, testing dampers and taking grease readings need training, the right equipment and safe access. Leave those to us.
Keeping the system healthy
So the system stays in good health:
- Report damaged filters so they can be replaced
- Do not let the full clean slip because filters are changed
- Mention it if the kitchen gets busier
- Keep the extract on whenever the range is in use
Nothing changes for your staff, except one less greasy job. Just keep the canopy clear for the next visit and tell us if service times change.
A kitchen that is getting busier needs its filters changed more often. Adjusting the schedule now prevents a build-up behind the canopy.