Hertfordshire · Extract fan repair and replacement

Extract fan repair and replacement in Frogmore, Hertfordshire

For extract fan repair in Frogmore, one call is all it takes, from survey to sign-off. CHAS and SafeContractor accredited, ISO 9001 and fully insured.

  • Vibration spreading from the fan into the ducts
  • An extract fan that rattles or knocks
  • A worn or slipping fan belt

Need extract fan repair in Frogmore?

Extract fan repair in Frogmore, done properly

Grease and fans don’t mix. A coated impeller spins unevenly, which shakes the bearings and mountings. So when we repair extract fan, we look at the grease too and can arrange a TR19® clean of the whole system at the same time. The work covers roof and wall fans, fan motors and bearings, and common reasons people get in touch are a fan running too slowly to clear the kitchen and a motor that trips out or overheats.

Rural kitchens often have fans mounted on outside walls or roofs, exposed to the weather. That, with the grease, is hard on motors and bearings.

The report is your system’s health record: a dated account with photos of everything we did. Grease extract cleans are also certificated to TR19® Grease through the BESCA VHE portal and sits alongside the report.

Location
Frogmore (AL2)
Region
Hertfordshire
Paperwork
Photo report after every visit
Quote
Fixed quote, normally within a working day
Hours
After hours by arrangement; emergencies any time
Call
0345 646 2711
Last updated
30 October 2026
Duct Doctor duct and vent cleaning vans lined up in a car park with the team

Frogmore: your questions answered

Is there an emergency callout for extract fans in Frogmore?

Extract fan emergencies in Frogmore are covered around the clock. Ring 0345 646 2711 at any hour and describe the fault. If you can, stop cooking until the fan is checked.

Do you cover smaller places like Frogmore?

Yes, we work in villages as well as towns, and Frogmore is covered. A survey first, from photos or a visit, means we arrive with the right kit.

Does the law say we must follow TR19?

Not in itself. Insurers, fire officers and EHOs look to TR19® as the benchmark, and many insurance policies ask for proof of TR19® cleaning. The legal duty sits in the Regulatory Reform (Fire Safety) Order 2005, which applies in England and Wales.

Do you have insurance?

Yes. Duct Doctor is fully insured, and the details are available on request.

Are you accredited?

BESCA Vent Hygiene Elite membership, cleaning to BESA TR19® Grease, plus CHAS, SafeContractor and ISO 9001. We’re fully insured and have been trading since 2009.

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

We record them on the report, with photos where possible, and we tell you what would make it reachable, such as extra access panels in ductwork.

How much notice should we give?

Book as early as you can for planned work, particularly if your next visit is nearly due. Emergencies are different, because our line is open 24/7.

Is there a survey before the work?

Yes, always. We diagnose before we treat: the survey shows what needs doing and what access we need and the fixed quote is built on it.

What the work involves, part by part

Roof and wall-mounted fans

Noise from an outside fan can carry beyond the kitchen. It’s often down to loose mounts or worn bearings.

Direct-drive fans

Direct-drive fans have the impeller mounted straight on the motor. There are no belts, so faults tend to be in the motor, bearings or impeller.

Managing agents and facilities teams in Frogmore

Records are where multi-site compliance often slips. Every visit ends with a dated report and pictures, so you can show an insurer or inspector what was done at each site.

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 pictures.

What affects the quote in Frogmore

We do not publish a price list, because sites vary so much. What we look at:

  • Travel, parking and unloading
  • When the work can happen, such as evenings, overnight or weekends
  • A single visit or a regular plan
  • The size of the system

We do not list prices on the website, because each job is priced on what it involves. Call for a fixed quote, and we will explain what it covers.

What we need to know

What to send for a quote:

  • The postcode and the type of business
  • Where the plant sits or the system leaves the building, such as a roof or outside wall
  • When the site is open and when it’s quiet
  • Any access panels or hatches you can see

We don’t publish a price list, because no two systems are the same. Instead, we look at your site first, from photos or a survey, and then give you a fixed quote. To get going, give us a ring on 0345 646 2711, or email photos.

How it works

A visit follows the same order every time: sheeting and protection first, make the system safe, do the work, clear away and hand over the paperwork. On site, the work takes anything from an hour or two to a full visit, depending on the fault. If you can send pictures, we can arrive in Frogmore knowing what to expect.

  1. We agree a time to attend, out of hours if needed.
  2. The extract is switched off and the fan opened up.
  3. We inspect every moving part and the fixings.
  4. You hear whether repair or replacement makes sense, with a fixed quote.
  5. We complete the work and check the fan runs smoothly.

Before we arrive

  • Plan for cooking equipment or plant to be off before we arrive
  • Tell us the best time to work, such as after service or at a weekend
  • Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas

Get a fixed quote

Quoting starts with a diagnosis, from your pictures and details or, where that isn’t enough, a survey on site. After that, you get a fixed price for the work so you know the cost before work begins.

Ask for a quote

Advice

Keeping the system healthy

Once we’ve finished, these simple steps help:

  • Save our number for the 24/7 emergency line
  • Keep a record of any trips or stoppages
  • Keep access to the fan controls unobstructed
  • Report new noises from the fan early

Before we leave, the fan is run and checked. You’ll hear what we found and what we did along with anything else that needs watching.

Small faults, like a worn belt, are quick to fix. Left for months, they can damage the motor or bearings, so it’s worth acting early.

When something else is needed

Some problems need a different service or another trade:

  • A greasy canopy and duct that a fan repair will not touch
  • Smells from the discharge that need odour control equipment
  • An extract system that was undersized from the start

If in doubt, call us on 0345 646 2711, or email photos and we’ll say what we think.

Parts of the system we cover

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

What extract fan repair looks like in Frogmore

Food Standards Agency records list about 15 restaurants, cafés and works canteens and about 14 sandwich bars and takeaways within 1.5 miles or so of the middle of Frogmore. For any of them with a canopy, the extract fan is what keeps the kitchen usable. Frogmore is about 18 miles from central London, well within the area we cover across London and the South East. We work evenings, overnight and at weekends, so the visit fits around the site. It’s St Albans City council that sends environmental health officers to food businesses in Frogmore. Food premises are expected to have suitable and sufficient ventilation under food hygiene rules. A kitchen without a working fan has a problem to fix quickly.

For kitchens close to How Wood station, a fan that stops mid-service needs fixing fast, and our emergency line runs 24/7. For school kitchens, at schools like Park Street Church of England Voluntary Aided Primary School for example, a planned fan repair in the holidays avoids losing lunches in term time.

Frogmore is about 2 miles south of St Albans, in Hertfordshire. Frogmore gets the same approach as every site we work on: a survey first, a fixed quote, work timed around your hours and a report with photos. Our area takes in 381 places across Hertfordshire, large and small. Our London page covers sites nearby, about 18 miles away.

We cover every part of the AL2 postcode area for extract fan repair and the streets around it. Whether your site is on Centaurus Square, Frogmore and Avian Avenue or a nearby road, we can help. We also cover the places around Frogmore: Park Street (1 mile north-west), How Wood (1 mile west), Colney Street (1 mile south-east), Chiswell Green (1 mile north-west) and Sopwell (1 mile north). Larger places within reach include Watford (5 miles south-west), Hemel Hempstead (6 miles north-west), Stevenage (15 miles north-east), Welwyn Garden City (8 miles north-east), Harpenden (7 miles north) and Hoddesdon (14 miles east).

Around Frogmore

Around Frogmore, our work takes us to kitchens and buildings near The Old Red Lion pub and Marlborough Science Academy. There’s a railway station in Frogmore itself: How Wood station. Well-known places in the area include Hypocaust Museum (2.3 miles north-west) and Hilfield Castle (4.5 miles south). Green spaces nearby include Verulamium Lake and Broad Colney Lakes.

Map of Frogmore © OpenStreetMap contributors

Signs you need extract fan repair in Frogmore

Not every problem is mechanical. Speed controllers, isolators and wiring can all fail so we check the controls before blaming the motor.

Any of these means the system needs a check-up:

  • A worn or slipping fan belt
  • An extract fan that rattles or knocks
  • A fan that won’t start at all
  • An extract that vibrates through the ductwork

Hall kitchens near Church of the Holy Trinity, or anywhere around Frogmore, often use their fans only now and then, and an idle fan can stick.

Before you book anyone

  • When the next visit should be, and why
  • How VAT is shown on the quote
  • Whether the whole system is included, or only the parts that are easy to reach
  • Whether the price is fixed

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