West Berkshire · Air handling unit cleaning
Air handling unit cleaning in Colthrop, West Berkshire
Cleaning of air handling units, including filters, coils, drain trays, fans and internal surfaces for businesses, landlords and public buildings in Colthrop. BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease.
- Condensate trays that won’t empty
- Odours coming through the supply air
- Units needing a clean before a new tenant or handover
About our AHU cleaning in Colthrop
An air handling unit is the heart of a building’s ventilation: air is pulled in, filtered, conditioned and sent out through the ducts. Anything that collects inside the unit can end up in the rooms it serves, which is why we clean the unit itself, not just the ducts. If you have fan sections that haven’t been cleaned in years and air handling units never cleaned inside, we can help, from drain trays, dampers and louvres and filter sections onwards.
For a building in or near Colthrop, access is agreed in advance and the visit is planned around the journey.
Accreditations are easy to claim and worth checking. Ours are BESCA Vent Hygiene Elite membership, cleaning to BESA TR19® Grease, plus CHAS, SafeContractor and ISO 9001, with full insurance on top.
- Place
- Colthrop (RG19, RG18)
- Region
- West Berkshire
- Paperwork
- Photo report after every visit
- Price
- A fixed price before work begins
- When we work
- When your site is closed, plus a 24/7 line
- Telephone
- 0345 646 2711
- Checked
- 30 October 2026
When to call us in Colthrop
An overdue filter loads up with dirt, cutting airflow and sometimes letting dirty air bypass them altogether. Then the rest of the unit takes the load.
Any of these means the system needs a check-up:
- Rooms that smell stuffy when the system runs
- Coils clogged with dust and debris
- Air handling units with blocked filters
- Units that have only ever had filter changes
Wherever a school like Francis Baily Primary School has ducted ventilation, a half-term visit keeps the work out of lesson time.
Comparing quotes
- What insurance they carry
- Exactly which parts of the system are covered
- What paperwork you get at the end
- Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor
Towns and villages near Colthrop
More services for Colthrop
What we do, step by step
We turn up at the time agreed with you, which is often after service, overnight or at a weekend. Equipment that has to be off is switched off and allowed to cool before work begins, and floors and nearby surfaces are sheeted. The work itself takes a single shift for a typical unit, longer for large or heavily soiled ones. In a small place like Colthrop, the journey is planned ahead and the visit arranged around the site’s hours.
- We look at the unit and the plant area during the survey.
- The area is protected and the unit made safe.
- Dirt and debris are removed from each section.
- Coils and trays are cleaned and the condensate drain cleared.
- We close every panel, hand the unit back and send the report and certificate.
Getting ready for the visit
- Have your last certificate or report to hand
- Clear the space around the work
- Agree a time when the area can be out of use
Getting a quote
Photos are the quickest way to a quote: the system from a couple of angles, plus any access panels or hatches. Tell us what kind of site it is and when it’s open, and we can price many jobs without a visit.
Advice
Landlords, agents and facilities managers
Running several sites is easier with one contractor. We work across London and the South East, so a run of sites can go into one programme and kept to a regular schedule.
If you look after several sites, we can schedule visits across all of them on one quote. Every building has its own written report, so records stay tidy.
Your questions about AHU cleaning in Colthrop
Do you do school ventilation cleaning in Colthrop in the summer holidays?
Yes, holiday work suits schools best. With about 3 schools and colleges on the FSA’s register within roughly a mile and a half of Colthrop, it pays to plan holiday dates ahead. Send us your term dates when you phone us on 0345 646 2711 or use the quote form, and we’ll fit the work in.
Can you work in Colthrop outside opening hours?
Yes, out-of-hours work is a big part of what we do. The site is handed back ready to open. Just give us a ring on 0345 646 2711, or send details by email with your opening times and we will plan around them.
What information do you need?
Some photos and a quick description of the system plus the address and your hours. If we need more, we will ask.
Will the ventilation be off while you clean?
Yes. We cannot clean a running unit, so it’s switched off and made safe first. The shutdown is planned with whoever runs the building.
How often do AHUs need cleaning?
That’s set by inspection, in line with TR19® Air. A hard-working unit, or one serving a hospital or care home, may need cleaning more often.
What do you do to protect the area?
We cover floors and nearby surfaces with sheeting before any work starts, and waste is contained as we go. At the end, the area is cleaned down.
Do you have a 24/7 line?
Yes, day and night, every day of the year. Our office is open from 8am to 6pm on weekdays, and the emergency line covers the rest.
How much notice do you need?
Earlier is better, particularly for night and weekend visits. We normally quote within one working day, and there’s a 24/7 line for emergencies.
Between visits
Results last longer with the right care. Here’s what we suggest:
- Store the TR19 paperwork where auditors can find it
- Make sure condensate is draining away
- Plan the next inspection before the last report gets filed away
- Keep the area around the fresh air intake clear
We recommend when the unit should next be inspected or cleaned, taking into account how dirty it was. Under TR19® Air the timing is set by inspection and risk, not a fixed calendar.
Keep the unit’s doors and panels in working order. Sections that are awkward to open are the ones that get skipped.
In-house cleaning or a specialist?
Staff cleaning and specialist work aren’t the same thing. Wiping filters daily and washing them weekly keeps the visible parts in order, but they do not reach the grease that builds up further in. That part needs specialist access and equipment.
A few tasks are always specialist work: entering ducts, working on fans, testing dampers and taking grease readings need training, the right equipment and safe access. Leave those to us.
Ventilation in Colthrop buildings
Food Standards Agency data includes about 3 schools, colleges and universities and about 10 hospitals, care homes and childcare premises in and around Colthrop, up to about a mile and a half out. Classrooms, bedrooms and care spaces are often served by ducted air, and that ductwork collects dust over time. Colthrop is about 50 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. West Berkshire Community Hospital is the nearest hospital, about 2.4 miles west of Colthrop. Healthcare ventilation is a good example of why supply ducts need inspecting: the air goes straight to patients.
Healthcare ventilation, from large hospitals like West Berkshire Community Hospital (about 2.4 miles west) to small clinics, depends on clean filters, coils and ducts. Workplaces around Thatcham station with an air handling unit need the filters, coils and drain tray looked at, as well as the ducts.
Colthrop is about 1 mile east of Thatcham, in West Berkshire. Wherever you are in the RG19 postcode area, we cover AHU cleaning for commercial sites. Colthrop is one of 155 towns, villages and districts in West Berkshire where we work for AHU cleaning. There’s also a page for Reading, about 12 miles away.
We cover every part of the RG19 and RG18 postcode area for AHU cleaning and the streets around it. Streets in the area include Bath Road, Ashman Road and Fokerham Road, all of which we cover for AHU cleaning. Close by, we work in Crookham (2 miles south-east), Hyde End (2 miles south-east), Heads Hill (2 miles south-west), Mill Green (2 miles south) and Goose Hill (3 miles south). We also work in nearby towns such as Newbury (4 miles west), Burghfield Common (8 miles east), Speenhamland (4 miles west), Hungerford (12 miles west), Spencers Wood (12 miles east) and Calcot (9 miles east).
Near you in Colthrop
We work in commercial kitchens and buildings around The Swan pub and Kennet School. The nearest railway station is Thatcham station, roughly 0.5 miles south-west of the centre. A little further out are Old Chapel Textile Centre (2.6 miles south-west) and Donnington Castle (4.6 miles west). Green spaces nearby include Thatcham Reed Beds.
Honest limits
We will not sell you work that does not address the problem, so here are the limits:
- Dirty ducts beyond the unit itself
- Ventilation that was badly designed in the first place
- Controls and BMS settings that run the unit
Not sure which it is? You can phone us on 0345 646 2711 or drop us a line and we’ll tell you honestly before you book.
What we work on in Colthrop
- Filter sections
- Internal panels
- Heating and cooling coils
- Drain trays
- Dampers and louvres
- Supply and extract fans
Why deal with it now?
Facilities teams are often asked for evidence that the ventilation is looked after. A TR19® certificate and photo report give you that, ready to show anyone who asks. It’s worth booking a check, because nobody sees inside a duct day to day.
What you pay depends on how big the system is, what state it’s in and access to every part of it. You get a fixed price before we start, so you know where you stand.
Why Colthrop businesses choose us
- One contact for all your sites in London and the South East
- Ventilation hygiene specialists since 2009
- A written report with pictures after every visit
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
Read our cost guide or how to check a contractor.