Hertfordshire · Extract fan repair and replacement

Great Wymondley extract fan repair

Specialist extract fan repair for Great Wymondley: diagnosis first, then a fixed quote, the work and a report with pictures. Call for a fixed quote.

  • An extract fan that rattles or knocks
  • Poor airflow at the canopy
  • A fan shaking on its mountings

Extract fan repair for sites in Great Wymondley

How we handle extract fan repair in Great Wymondley

Kitchens in Great Wymondley call us about extract fans and motors that are noisy, slow or dead, we find the cause and quote a fixed price to repair or replace it. For a fan that fails during service, there’s a 24/7 emergency callout. Common call-outs are for an extract that vibrates through the ductwork and a worn or slipping fan belt, on bearings, fan motors and belts and pulleys.

For a fan repair in or near Great Wymondley, the more you tell us about the fan, the better the first visit: pictures of the fan, its rating plate and how to reach it all help.

We’ve been trading since 2009, and we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. We also hold CHAS, SafeContractor and ISO 9001, and we’re fully insured.

The Duct Doctor team standing beside their branded white and blue vans
Place
Great Wymondley (SG4)
Region
Hertfordshire
Reporting
Written report with pictures
Quote
A fixed quote up front
Hours
When your site is closed, plus a 24/7 line
Phone
0345 646 2711
Page updated
30 October 2026

How the visit works

On the day, we arrive at the time agreed with you, often in the evening, overnight or at the weekend so the site keeps working. Anything that needs to be off for the work is switched off and left to cool first, and floors and nearby surfaces are sheeted. On site, it takes a few hours for most repairs, longer for a full fan replacement. Pictures of the system and its access let us plan the work in Great Wymondley before we set off.

  1. We agree a time to attend, out of hours if needed.
  2. We isolate the extract and open the fan housing.
  3. We inspect every moving part and the fixings.
  4. You hear whether repair or replacement makes sense, with a fixed quote.
  5. The fan is repaired or replaced, then checked running.

Getting ready for the visit

  • Clear loose items from the work area
  • Mention any sign-in, permit or induction we need
  • Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas

Get a fixed quote

To get a fixed quote, call 0345 646 2711 or send us an email and tell us the type of site, your opening hours and roughly what the system looks like. A few pictures and your last certificate or report help a lot. You’ll normally have a quote within one working day.

Get a price

Related advice

When a fan fails in Great Wymondley

There are about 9 restaurants, cafés and canteens and about 6 takeaways across Great Wymondley and its immediate surroundings (about a mile and a half), according to the Food Standards Agency’s register. For any of them with a canopy, the extract fan is what keeps the kitchen usable. We cover Great Wymondley, about 31 miles from central London, as part of our work across London and the South East. Evening, overnight and weekend visits are all possible. It’s North Hertfordshire council that sends environmental health officers to food businesses in Great Wymondley. Under food hygiene rules, a kitchen needs suitable and sufficient ventilation. A kitchen without a working fan has a problem to fix quickly.

If you run a school kitchen, at a school such as Wymondley Junior Mixed and Infant School or nearby, a fan that is getting noisy is best repaired in the holidays before it fails in term.

Great Wymondley is about 2 miles east of Hitchin, in Hertfordshire. Whether your site is in the middle of Great Wymondley or further out, we cover extract fan repair for every kind of premises, from a single unit to a large public building. We cover 381 places across Hertfordshire, large and small. Our Milton Keynes page covers sites nearby, about 24 miles away.

All of SG4 is within our area for extract fan repair, from the main roads to the quietest streets. If you need extract fan repair at premises on Graveley Road, Hitchin Road and Arch Road or a nearby road, our technicians can take on the work. If your site is just outside Great Wymondley, we cover Little Wymondley (1 mile south), Poets Estate (1 mile north-west), Graveley (1 mile south-east), Titmore Green (1 mile south) and Willian (1 mile north-east). Within a short drive, we also cover Stevenage (3 miles south-east), St Albans (14 miles south), Welwyn Garden City (10 miles south), Harpenden (10 miles south-west), Hatfield (12 miles south) and Hertford (12 miles south-east).

What’s near Great Wymondley

In Great Wymondley, that means kitchens and buildings near Hitchin Girls' School, The Green Man pub and Kingshott School and the streets around them. Great Wymondley’s nearest station is Hitchin station, roughly 1.4 miles north-west of the centre. Well-known places in the area include North Hertfordshire Museum (2 miles west) and Lister Hospital (1.6 miles south-east). Green spaces nearby include Purwell Ninesprings.

Map of Great Wymondley © OpenStreetMap contributors

Why act early in Great Wymondley

An overloaded motor is under constant strain. Every hour of strain takes its toll, and when it finally fails, it may take other parts with it. Catching it early keeps the repair small. Somewhere as small as Great Wymondley, losing a kitchen or building to a fault is felt by everyone who uses it.

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 play a part.

Why choose Duct Doctor in Great Wymondley

  • Accredited under CHAS and SafeContractor, with ISO 9001
  • Fixed quotes from a survey or pictures
  • Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
  • Fully insured

Read our cost guide and our accreditations.

What extract fan repair can’t fix

In fairness, there are a few things this work won’t fix:

  • Faults in the building’s electrical supply, which need an electrician
  • Faults on the gas side of an interlock system, which need a Gas Safe registered engineer
  • Grease build-up in the rest of the extract system

If in doubt, phone us on 0345 646 2711 or use the quote form and we’ll say what we think.

What the work covers

  • Roof and wall fans
  • Belts and pulleys
  • Kitchen extract fans
  • Fan motors
  • Bearings
  • Fan housings

For landlords and multi-site operators

Under the Regulatory Reform (Fire Safety) Order 2005, the responsible person must assess and reduce fire risk, and that can be the employer, the owner, a landlord, a facilities manager or a managing agent. With shared responsibility, good records help everyone.

Where a tenant occupies the premises but the landlord owns the building, it’s worth checking the lease for who maintains the systems. We can quote either party and send the paperwork to whoever needs it.

How the job changes from site to site

Impellers and housings

A damaged or corroded impeller can’t simply be cleaned. It may be replaced on its own, or with the whole fan.

Direct-drive fans

Many kitchen extracts use direct-drive fans. When the motor fails, replacing the whole fan unit can make more sense than repairing it, and we’ll explain why.

Aftercare tips

To keep the system working properly between visits:

  • Tell us about a new rattle or whine right away
  • Save our number for the 24/7 emergency line
  • Book regular TR19 cleaning, which includes the fan
  • Keep a record of any trips or stoppages

Listen to the fan over the next few weeks. If anything changes, let us know, so it can be looked at before it grows.

A scheduled maintenance plan keeps the whole system on a regular cycle, so the fan is looked at as part of each visit and problems are spotted sooner.

Questions from Great Wymondley

Which council inspects kitchens in Great Wymondley?

Kitchens in Great Wymondley are inspected by North Hertfordshire council’s environmental health officers. If the extract fan has failed, it’s worth having the repair booked, and the details to hand, before an officer visits.

Do you cover smaller places like Great Wymondley?

Yes. Great Wymondley is within the area we cover across London and the South East. The journey is planned ahead, so a few details about the route help.

What if parts of the system can’t be reached?

The report shows them clearly. Often the fix is extra access, such as new panels in ductwork, which we can install.

How much does an extract fan repair cost?

We can’t price it without knowing the fault. After we have checked the fan, we give you a fixed price for whichever option you choose.

Will I get paperwork for my records?

Yes, always. It’s a dated, written report with pictures, plus a certificate via the BESCA Vent Hygiene Elite portal for TR19® Grease cleans. Keep it in your maintenance log.

Can we book visits on a schedule?

Yes. Send details of the systems and how they’re used, and we will suggest a schedule and quote for it.

Which records should we keep?

Every certificate and report from each visit, kept together in your maintenance log, along with your own cleaning log. BESA says certificates should show the date, location and technician.

What is TR19?

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.

Common problems we fix in Great Wymondley

Kitchen extract fans in Great Wymondley face the same conditions as anywhere else: heat, grease, steam and long running hours. Condensation can corrode parts and eventually any fan simply wears out.

Look out for these warning signs:

  • Weak extraction and a smoky kitchen
  • A fan rattling in its housing
  • Vibration spreading from the fan into the ducts
  • A belt-driven fan that squeals

If you look after a church or hall kitchen near Church of St Mary the Virgin, or anywhere in Great Wymondley, test the extract fan before a big event rather than on the day.

Comparing quotes

  • When the next visit should be, and why
  • If the quote is a fixed price or an estimate
  • If they look at the system before pricing
  • Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor

Choosing a duct cleaning contractor

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