Greater London · Extract fan repair and replacement
Extract fan repair and replacement in Forest Hill, Greater London
Extract fan repair for Forest Hill and the surrounding area: a survey, a fixed price, careful work and proper paperwork. Ask us for a fixed quote.
- A fan shaking on its mountings
- A knocking noise from the extract fan
- An overheating extract motor
Common problems we fix in Forest Hill
Fans everywhere, Forest Hill included, live in a hard environment: hot, greasy, damp air for hours on end. Condensation can corrode parts and eventually any fan simply wears out.
These are the problems we see most often:
- A fan rattling in its housing
- Weak extraction and a smoky kitchen
- An extract that vibrates through the ductwork
- A worn or slipping fan belt
For school kitchens, at schools like Fairlawn Primary School for example, a planned fan repair in the holidays avoids losing lunches in term time.
Comparing quotes
- What’s included in the scope, part by part
- Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor
- When the next visit should be, and why
- How VAT is shown on the quote
Extract fan repair in Forest Hill
Think of it as a check-up for the fan: we hear the symptoms, find the cause and put it right. What you want back is a fan that runs smoothly and a plain account of what we found. We are often asked to deal with an extract fan that has stopped working and vibration spreading from the fan into the ducts, on fan motors, fan housings and roof and wall fans.
Rooftop fans in London take the weather as well as the grease from below, and bearings, belts and motors wear out in the end. Noise and vibration are worth reporting before the fan stops.
Accreditations are easy to claim and worth checking. We are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we hold CHAS, SafeContractor and ISO 9001, and we’re fully insured.
- Place
- Forest Hill (SE23, SE22, SE26)
- Wider area
- Greater London
- Records
- Photo report after each visit
- Quote
- A fixed quote up front
- Working hours
- Overnight and weekend work, 24/7 emergency callout
- Call
- 0345 646 2711
- Last updated
- 30 October 2026
What extract fan repair looks like in Forest Hill
Food Standards Agency data counts about 210 restaurants, cafés and works canteens and about 147 takeaways in Forest Hill and the streets around it, up to about 1.5 miles out. A kitchen with a dead extract fan gets hot and smoky fast, and kitchens like these feel it at once. Lifting a replacement fan onto a London roof can need a loading slot and the building’s agreement. Kitchens in Forest Hill get their food hygiene inspections from Southwark council. Food hygiene rules expect food premises to have suitable and sufficient ventilation. That is one more reason not to keep cooking with a broken fan.
If you run a church or community hall kitchen, near Honor Oak Christian Fellowship Centre or elsewhere in Forest Hill, an extract fan that rarely runs can seize or fail when it’s needed. For a takeaway near Honor Oak Park station, a fan that fails on a busy evening means turning customers away, and our emergency line runs 24/7.
Forest Hill is about 2 miles south-east of East Dulwich, in Greater London. We carry out extract fan repair for commercial premises of every kind in Forest Hill and the rest of Greater London. Our Greater London coverage runs to 764 places, and Forest Hill is one of them.
Extract fan repair in SE23, SE22 and SE26 follows the same survey, fixed quote and written report as everywhere else we cover. Local streets include Ewart Road, London Road and Rojack Road, and we cover them all for extract fan repair. Other places close to Forest Hill include Honor Oak (1 mile north), Perry Vale (1 mile south-east), Brockley (1 mile north-east), Crofton Park (1 mile north-east) and Dulwich (1 mile west). Further out, we also cover London (4 miles north-west), City of Westminster (6 miles north-west), Marylebone (6 miles north-west), Kensington (7 miles north-west), St Pancras (6 miles north-west) and Shoreditch (6 miles north).
What’s near Forest Hill
In Forest Hill, that means kitchens and buildings near Allenby Tutorial Trust, Capitol Cinema pub and Harris Girls' Academy East Dulwich, among other places. Forest Hill’s nearest station is Honor Oak Park station, roughly 0.5 miles north-east. Other landmarks nearby include Greenwich Castle (3.1 miles north-east) and Horniman Museum and Gardens (0.5 miles south-west). Not far away are One Tree Hill and Knight's Hill.
The process
Night work is normal for us. Evenings, nights and weekends are when much of our work happens, so the site can open as normal afterwards. On site, the work takes part of a day for most faults, with a return visit if parts have to be ordered. Managed blocks in London often need contractors booked in ahead, and we’re happy to deal with the agent directly for a site in Forest Hill.
- We agree a time to attend, out of hours if needed.
- We isolate the extract and open the fan housing.
- We inspect every moving part and the fixings.
- You hear whether repair or replacement makes sense, with a fixed quote.
- The fan is repaired or replaced, then checked running.
Preparing for the visit
- Tell us where we can park and unload
- Make sure someone can let us in and lock up afterwards
- Clear loose items from the work area
Get a fixed quote
If you need extract fan repair in Forest Hill, call us on 0345 646 2711 or email us. Let us know the site type and the opening hours, plus pictures or the previous report if they’re to hand. We usually send a fixed quote within one working day.
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Leave it or put it right?
In kitchens with an interlocked gas supply, no extract can mean no cooking. Without extraction, the heat and fumes build up fast, so a failing fan is worth dealing with early. For a site in Forest Hill, fitting the work in overnight now is far easier than closing at short notice later.
Every site is different, so each one gets its own fixed quote. Size, access, the condition of the system and when we can work all play a part.
Why choose Duct Doctor in Forest Hill
- We are fully insured
- We diagnose before we treat
- Photo reports with every job
- CHAS and SafeContractor accredited, with ISO 9001
Nearby places to Forest Hill
Also in Forest Hill
What affects the cost of extract fan repair
Your quote is based on your site. We consider:
- When the work can happen, such as evenings, overnight or weekends
- Whether several sites go on one quote
- Site rules, permits and inductions
- The size of the system
The cost depends on the size of the system, the condition it’s in and access to every part of it. We give you a fixed price before work begins, so there are no surprises.
What to send for a quote
When you call or email, these details help:
- Your last certificate, test record or report
- The postcode and the type of business
- Where the plant sits or the system leaves the building, such as a roof or outside wall
- The times we could work without disrupting the site
Quotes are quick. Send a few details and pictures, and we normally reply with a fixed quote within one working day. Where a survey is needed, we arrange a time that suits the site.
For landlords and multi-site operators
Whether it’s one building or many, you get the same standard: a survey first, a fixed quote, the work timed around the site and a report with photos.
Records are where multi-site compliance often slips. Each visit produces a dated report with pictures, so you can show an insurer or inspector what was done at each site.
Looking after it afterwards
Think of this as the after-treatment advice, in brief:
- Never run the extract with filters missing
- Make sure the fan is cleaned with the rest of the system
- Tell us about a new rattle or whine right away
- Keep access to the fan controls unobstructed
Clean filters help a repaired fan stay that way. Less grease on the impeller means less wear and fewer faults.
When filters block, the fan works harder. Changing or cleaning them on time takes load off the motor and protects the motor.
Staff cleaning versus specialist work
Staff cleaning does not replace a specialist visit; it supports it. Clean filters and tidy surfaces slow the build-up, but hidden parts of the system still need specialist attention.
Day-to-day cleaning is something your team can do: wiping down canopy surfaces, cleaning filters and keeping a simple log. What they can’t safely do is clean inside the ductwork, the fan or the risers, and that’s where we come in.
Forest Hill questions
What if my kitchen extract fan stops in Forest Hill at night?
Our emergency line runs 24/7, and Forest Hill is within the area we cover. Phone 0345 646 2711 and we will talk through the fault and access. Details of the make and model help us plan the repair.
Does London parking affect a job in Forest Hill?
London parking can be tight, so details of loading bays and permits help. Night visits tend to make loading easier on London streets.
Can you set up regular visits?
Yes, of course. Send details of the systems and how they’re used, and we’ll suggest a schedule and quote for it.
What does TR19 mean?
TR19® is the BESA specification for keeping ventilation systems clean. Since 2019, TR19® Grease has been a standalone specification for grease in kitchen extract systems, and TR19® Air covers general supply and extract systems.
Who is responsible for fire safety on the premises?
The Fire Safety Order 2005 calls them the responsible person: normally the employer or whoever controls the premises. In shared or managed buildings, a landlord, facilities manager or managing agent can share the duty.
Does the law say we must follow TR19?
No. TR19® is BESA’s specification, not legislation. The legal duty comes from the Regulatory Reform (Fire Safety) Order 2005: the responsible person must assess and reduce fire risk, and cleaning to TR19® is the recognised way to show grease is under control.
Do you survey before quoting?
Yes. For many sites, photos and a few details are enough, while bigger or harder-to-see systems are surveyed on site.
What paperwork should we keep on file?
Every certificate and report from each visit, kept together in your maintenance log with your in-house cleaning records. BESA says certificates should show the date, location and technician.