Hertfordshire · Extract fan repair and replacement
Extract fan repair and replacement in Sleapshyde, Hertfordshire
Repair and replacement of kitchen extract fans, fan motors and worn fan parts for Sleapshyde, with a survey first and a report with photos at the end. Call for a fixed quote.
- A knocking noise from the extract fan
- A dead fan motor
- Vibration spreading from the fan into the ducts
Different parts, different methods
Belt-driven fans
In a belt-driven fan, the motor drives the impeller by belt. Belts wear, stretch and slip, so we check the pulleys and bearings as well.
Roof and wall-mounted fans
Many kitchen extract fans sit on a roof or an outside wall. Access affects how long a repair takes and we plan around it.
Extract fan repair in Sleapshyde
Our engineers handle all sorts of fan faults in Sleapshyde, from rattling and humming to a fan that has stopped dead. The fault is diagnosed, quoted at a fixed price and put right or fit a replacement when it’s beyond repair. If you have a fan worn beyond sensible repair and a knocking noise from the extract fan, we can help.
For a fan repair in or near Sleapshyde, the more you tell us about the fan, the better the first visit: a photo of the fan, the details on its label and the access arrangements help us plan.
We’re CHAS and SafeContractor accredited, we hold ISO 9001 and we’re fully insured. On top of that, we’re a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we’ve been trading since 2009.
- Location
- Sleapshyde (AL4)
- Region
- Hertfordshire
- Paperwork
- Photo report after each visit
- Quotes
- Fixed quote, typically within a working day
- Working hours
- After hours by arrangement; emergencies any time
- Call
- 0345 646 2711
- Page updated
- 30 October 2026
What happens if it’s left?
Vibration does damage beyond the fan. Fixings work loose and joints in the ductwork can be strained, so a small repair can grow into a bigger one. With notice, the visit to Sleapshyde can be fitted around your bookings and events.
Whatever the type of site, the quote works the same way: the size of the job, access, condition and working hours. Call for a fixed quote and we’ll go through it with you.
Why choose Duct Doctor in Sleapshyde
- A written report with pictures after every visit
- Fixed quotes, typically within one working day
- Evenings, overnight and weekends, plus 24/7 emergency callout
- CHAS, SafeContractor and ISO 9001
See what affects the cost and our accreditations and certificates.
Places near Sleapshyde
Other services in Sleapshyde
Common problems we fix in Sleapshyde
Not every problem is mechanical. A failed speed controller or a wiring fault can stop a fan, and a fan that will not start isn’t always a dead motor.
Clients usually contact us after spotting one of these:
- A fan rattling in its housing
- A squealing belt on start-up
- An extract that vibrates through the ductwork
- A motor that trips out or overheats
If you run a church or community hall kitchen, near Church of St Mark or elsewhere in Sleapshyde, an extract fan that rarely runs can seize or fail when it’s needed.
Comparing quotes
- Whether they recommend a next date
- What happens if part of the system cannot be accessed
- Proof of insurance
- Whether the price is fixed
What a clean won’t put right
A few issues sit outside what this work can do:
- Ductwork designed too small for the kitchen’s cooking
- Grease throughout the ductwork, which needs a full TR19 clean
- Problems with the gas supply or its interlock valve
If you are not sure, just give us a ring on 0345 646 2711, or email photos and we will give you a straight answer.
Where we work
- Bearings
- Kitchen extract fans
- Fan motors
- Fan housings
- Belts and pulleys
- Roof and wall fans
Managing agents and facilities teams in Sleapshyde
Where a tenant occupies the premises but the landlord owns the building, the lease normally sets out who maintains what. We can quote either party, and the report can go to both.
We also work for facilities teams across offices, schools and healthcare across Hertfordshire. Larger estates can be phased building by building around the people who use them.
Extract fan repair in Sleapshyde: local notes
There are about 35 cafés, restaurants and staff canteens and about 13 takeaways and sandwich shops within about 1.5 miles of central Sleapshyde, according to the Food Standards Agency’s register. Wherever they cook under a canopy, a failed extract fan stops the kitchen. About 18 miles out from central London, Sleapshyde is part of the South East area we work across. Evening, overnight and weekend visits are all possible. Kitchens in Sleapshyde get their food hygiene inspections from St Albans City council. Ventilation is part of food hygiene law, which expects it to be suitable and sufficient. So a failed fan is worth fixing before the next service, not the next month.
If you run a school kitchen, at a school such as Colney Heath Junior Mixed Infant and Nursery School or nearby, a fan that is getting noisy is best repaired in the holidays before it fails in term.
Sleapshyde is about 2 miles south-west of Hatfield, in Hertfordshire. From the centre of Sleapshyde to the outskirts, extract fan repair is available to all kinds of commercial premises, from a single unit to a large public building. We cover 381 places across Hertfordshire, from busy centres to quieter spots. For sites nearby, see our London page (18 miles or so).
Work in AL4 is surveyed, quoted and booked the same way as anywhere else. You will find streets such as Sleapcross Gardens, North Orbital Road and Smallford Lane, and we cover them all for extract fan repair. Other places close to Sleapshyde include Colney Heath (1 mile south-east), Smallford (1 mile north-west), Tyttenhanger (1 mile south-west), Hatfield (2 miles north-east) and Cooper's Green (2 miles north). Larger places within reach include Watford (8 miles south-west), Hemel Hempstead (8 miles west), Stevenage (12 miles north), St Albans (3 miles west), Welwyn Garden City (5 miles north-east) and Harpenden (6 miles north-west).
What’s near Sleapshyde
Typical jobs here are in premises near Nicholas Breakspear Catholic School, The Plough Inn and Highfield Park and the streets around them. Sleapshyde’s nearest station is Welham Green station, about 2.4 miles east. A little further out are The Bunker at Hatfield Police Station (1.7 miles north-east) and The Maltings (3.2 miles west). For a walk, there’s Colney Heath Local Nature Reserve and Verulamium Lake.
What your team can do, and what needs us
Staff cleaning doesn’t replace a specialist visit; it supports it. Regular in-house cleaning slows the build-up, but hidden parts of the system still need specialist attention.
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.
The process
At the end of the visit, someone from your team can look over the work with us. Anything we couldn’t reach or that needs attention is pointed out there and then, and the same goes into the written report. All told, the work takes an hour or two to diagnose, then longer if parts or a new fan are needed. Pictures of the system and its access let us plan the work in Sleapshyde before we set off.
- We ask what the fan is doing, from noise and vibration to a full stop.
- Power to the fan is isolated before we open the housing.
- Each part is checked in turn: motor, bearings, drive, impeller and fixings.
- We explain the fault and give you a fixed price for the fix.
- Once the work is done, we run the fan and check it’s steady and quiet.
Before we arrive
- Let us know how we reach the system, including roofs, risers and plant rooms
- Make sure someone can let us in and lock up afterwards
- Plan for cooking equipment or plant to be off before we arrive
Getting a quote
Here’s what helps us quote: where the site is, what it is and its opening hours, a few photos and the last certificate or report, if there is one. Once you have those, call us on 0345 646 2711, or email photos.
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FAQs for Sleapshyde
Can you get to a site in Sleapshyde?
Yes, Sleapshyde is part of our area, however small the site. Photos of the system and directions to the site help us plan the visit.
What if my kitchen extract fan stops in Sleapshyde at night?
Day or night, a failed fan in Sleapshyde can be reported on our emergency line. Call 0345 646 2711 and tell us what the fan is doing, or not doing. A photo of the fan’s rating plate helps.
What accreditations do you have?
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.
What will a fan repair or replacement cost?
The price depends on the diagnosis. Once we’ve looked at it, you get a fixed quote for whichever option you choose.
Do we need to close while you work?
Not normally. Out-of-hours visits keep the disruption down. Larger jobs can be phased over several visits so parts stay in use.
Will you tell us when the next visit is due?
Yes. The recommended date is on the report. BESA’s minimum intervals for kitchen extracts range from 3-monthly for heavy use to 12-monthly for light use, while fire dampers are tested at least annually.
What does TR19 mean?
BESA’s ventilation hygiene specification, with two parts that matter most here: 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.
Do you replace extract fans as well as repair them?
We can. Replacing a fan is part of our fits and repairs work, and we will explain the options.