Hampshire · Grease filter exchange
Grease Filter Exchange in Portchester
Grease filter exchange across Portchester and nearby, timed so the site keeps working and finished with a written report and pictures.
- Weak extraction at the canopy
- Grease building up behind the canopy filters
- Filter washing that keeps being missed
What the work involves, part by part
The plenum
Behind the filters sits the plenum, where air gathers before the duct. It collects whatever grease the filters miss.
Busy restaurant and pub kitchens
High-output kitchens clog filters quickly. Their exchange schedule is typically the tightest.
How we handle grease filter exchange in Portchester
Each visit is quick and tidy. We lift out the dirty filters and fit a clean set, and we check they’re seated with no gaps. If something looks wrong, we tell you. The work covers school and hospital kitchens, island canopies and restaurants and pubs, and common reasons people get in touch are drips falling from the filters onto equipment and grease building up behind the canopy filters.
Kitchens around a place like Portchester are often in older buildings or single-storey extensions, with the duct running through a roof space or up an outside wall. Long horizontal runs like that hold grease and need access panels to reach.
The paperwork matters as much as the work. You get a written report with pictures after each visit, listing what was done, anything we couldn’t reach and when the next visit is due. Keep it with your fire safety records so it’s to hand when an insurer or inspector asks.

- Place
- Portchester (PO16, PO6, PO17)
- Region
- Hampshire
- Paperwork
- Report and pictures after the visit
- Quote
- Fixed quote, usually within a working day
- Working hours
- Out of hours as standard, 24/7 emergency line
- Call
- 0345 646 2711
- Updated
- 30 October 2026
Common problems we fix in Portchester
Cooking vapour carries grease into the canopy. Much of it is trapped by the filters, and day by day they load up until the air can barely get through.
Signs it’s time to call us include:
- Staff short of time to wash filters
- Damaged filters letting grease past
- Weak extraction at the canopy
- Filters so greasy the air can barely pass
If you look after a school kitchen, at a school such as Castle Primary School or anywhere near Portchester, the holidays are the usual time for a TR19® clean.
Questions to ask before you book
- What’s included in the scope, part by part
- How VAT is shown on the quote
- Whether the quote is based on a survey or photos
- Which accreditations they hold, and whether you can check them
Places near Portchester
What else we do in Portchester
FAQs for Portchester
Do you cover smaller places like Portchester?
Yes, Portchester is part of our area, however small the site. The journey is planned ahead, so a few details about the route help.
Do you clean school canteen extracts around Portchester out of term?
Yes, and it’s the easiest time to do it. Food Standards Agency records list about 14 schools, colleges and universities with registered kitchens within about a mile and a half of Portchester. Booking early in the term gives the best choice of holiday dates.
Do we need to close the kitchen while filters are changed?
A filter change is quick and can be timed around service. Cooking shouldn’t happen with the filters out, so we swap them in one go.
What does grease filter exchange cost?
The cost depends on your filters and the schedule. Just ring 0345 646 2711 or use the quote form for a fixed quote once we know your canopies.
How long does the visit take?
It depends on the size of the system, but for many sites it takes anything from a few minutes to an hour or so, depending on the number of filters. We’ll confirm it with the quote.
Can damaged filters stay in the canopy?
A badly damaged filter should be replaced. We will tell you which ones and why on the visit.
Which grease filters does the service cover?
Baffle filters and mesh filters. Tell us what you have when you ring 0345 646 2711, or send details by email and we will confirm it on site.
Where does the waste go?
We take it away at the end of the visit. While we work, it’s kept contained so the area stays clean.
Portchester kitchens: local notes
Sea air reaches Portchester, which sits within about 1 mile of the coast. Near the sea, the fan and discharge at the top of a kitchen extract corrode faster than they would inland. Look up Portchester on the FSA’s food hygiene register and you’ll find about 39 restaurants, cafés and canteens and about 19 sandwich bars and takeaways within 1.5 miles or so of the middle of Portchester. Any of those kitchens with a canopy relies on its filters to catch grease before it reaches the duct. Portchester is covered by Hampshire and Isle of Wight Fire and Rescue Service. Grease in a kitchen extract is a recognised fire risk, and the fire authority enforces the law on managing it in most commercial premises.
Volunteers running a hall kitchen near Church of St Mary, or anywhere in Portchester, may not know when the extract was last cleaned, and a grease test settles it. Kitchens that cook twelve hours or more a day, as some healthcare kitchens do, fall into BESA’s three-monthly minimum; Queen Alexandra Hospital is the nearest hospital to Portchester, about 2.3 miles east.
Portchester is about 3 miles north-east of Gosport, in Hampshire. Whether your site is in the middle of Portchester or further out, grease filter exchange is available to all kinds of commercial premises, from small sites to large estates. We cover 683 places across Hampshire, large and small.
All of PO16, PO6 and PO17 is covered for grease filter exchange, from busy streets to back roads. Streets in the area include Cow Lane, Hill Road and Ralph Road, and we cover them all for grease filter exchange. We also cover Boarhunt (2 miles north-west), Southwick (2 miles north), Elson (2 miles south-west), Wallington (2 miles west) and Priddy's Hard (2 miles south). We also work in nearby towns such as Gosport (3 miles south-west), Havant (6 miles east), Eastleigh (13 miles north-west), Fareham (3 miles west), Horndean (7 miles north-east) and Chandler's Ford (15 miles north-west).
Local landmarks in Portchester
Locally, jobs take us to businesses close to Portchester Community School and The Cormorant pub, among other places. For rail, the closest station is Portchester station, roughly 0.5 miles north-west. Nearby you’ll also find Portchester Castle (under half a mile south-east) and Queen Alexandra Hospital (2.3 miles east). For a walk, there’s West of the River Alver and Portsdown Hill.
What grease filter exchange can’t fix
Grease filter exchange can’t fix everything, and we will tell you before work begins. It doesn’t solve:
- Greasy ducts and risers that a filter change will not reach
- Odours from the discharge that filters will not stop
- A canopy that needs a proper clean
If in doubt, ring 0345 646 2711, or email photos and we’ll say what we think.
What the work covers
- School and hospital kitchens
- Island canopies
- Wall canopies
- Baffle filters
- Restaurants and pubs
- Mesh filters
Looking after it afterwards
Results last longer with the right care. Here’s what we suggest:
- Do not let the full clean slip because filters are changed
- Watch for grease drips between visits
- Clear anything stored on or near the canopy
- Never cook with the extract switched off
There’s no waiting: the canopy is ready as soon as the clean set is fitted. The dirty set leaves with us to be cleaned.
Saturated filters let more grease through. Getting onto a regular exchange now keeps grease out of the plenum and ductwork between full cleans.
What happens on the day
Before we leave, we walk the area with whoever is on site. Anything we couldn’t reach or that needs attention is pointed out there and then, and it goes on the report too. The visit takes less than an hour in most kitchens. For a site near Portchester, the work is booked around your opening hours, evenings and weekends included.
- We start by noting how many filters you have and what type they are.
- A change schedule is agreed to match the kitchen’s cooking hours.
- At every visit, the greasy filters are lifted out.
- Clean, dry filters are fitted in their place, with no gaps left between them.
- If a filter is damaged or the plenum needs attention, we tell you.
Before we arrive
- Dig out any earlier paperwork for the system
- Make sure equipment near the work can be switched off and left to cool
- Mention any parking or loading restrictions
Get a fixed quote
To help us quote: the address, the type of site and when it’s open, pictures of the system and the last certificate or report, if there is one. Then call us on 0345 646 2711 or email us.
Read more
How we price grease filter exchange
Sites vary more than people expect. What affects the quote:
- Travel, parking and unloading
- Working hours and out-of-hours timing
- How easy every part is to reach
- The condition we find in the survey
Combining work into one visit or one programme can make for a more efficient booking. Mention every system or site you need covered, and you will get one fixed quote.
Asking for a quote
You don’t need the technical terms. It helps if you can send:
- The times we could work without disrupting the site
- The roof, plant room or outside wall the system runs to
- Any symptoms, from odd noises to smells or leaks
- The paperwork from the last visit, if you have it
For a fixed quote, ring 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. Photos and the last report, if you have one, make the quote quicker. You’ll usually have a quote within one working day.
Why act early in Portchester
When filters block, extraction suffers. The kitchen gets hotter and smokier while the fan strains. Keeping filters clean keeps the extract working properly. Booking ahead lets us plan the trip to Portchester at a time that suits you.
What you pay reflects the actual work. That is why we survey first, from pictures or on site, and the price is agreed before we start.
Why book with us
- Evenings, overnight and weekends, plus 24/7 emergency callout
- A written report with photos after every visit
- Fixed quotes, normally within one working day
- We are fully insured