Boiler service and gas safety certificates.Booked in, done properly.
Annual servicing and landlord CP12 inspections across South London by Gas Safe registered engineers. Most of the breakdowns we attend in January were visible in October — a service is how you find them early.
A service and a CP12
are not the same thing.
People book one and expect the other. Pick your situation and you will see what the visit covers, what you get on paper and how long it takes.
When was it last serviced?
Pick the month of the last service. Manufacturer warranties normally require one every twelve months, and landlord certificates must be renewed every twelve months by law.
Never been serviced, or no idea when? Treat it as overdue and book it in — that is by far the most common answer we get.
Choose the month of the last service to see where you stand.
Not a five-minute look
and a sticker.
A proper service takes the front off the boiler. Here is what happens while it is open, and all of it is recorded on the paperwork you keep.
What happens next.
A service is a check, not a repair. If something needs attention you get told what, why and what it costs before any work starts.
Small faults found during a service can often be fixed in the same visit if the part is on the van. Anything larger gets diagnosed, quoted at a fixed price, and booked when it suits you.
Sometimes the service is the visit where an old boiler is declared past economic repair. We will say so plainly, and quote a replacement without pressure to decide on the spot.
Black system water, a clogged filter or cold spots in radiators point at sludge rather than the boiler. That is heating work, and treating it protects the boiler you have just paid to service.
Local engineers,
landlords welcome.
We service and certify across six South London areas, including portfolios where several properties are renewed together. Check your postcode below.
Sutton
Older boilers in post-war housing, often several years past their last service.
SW19 · SW20Wimbledon
System boilers and cylinders that need the vessel and controls checked, not just the burner.
SW4 · SW9Clapham
Rented flats and conversions, with CP12 renewals arranged directly with tenants.
SW15Putney
Boilers tucked into cupboards, where access and clearances get checked properly.
SW11Battersea
New-build apartments on sealed systems, plus period terraces with hard-water scaling.
KT1 · KT2Kingston upon Thames
Family homes and rentals, with annual reminders so renewals never lapse.
On time,
and straight with you.
Recent servicing and heating jobs across South London.
Used TopFix twice now, once for a boiler service and once for a radiator that was not heating. Both times on time, honest about the cost and the job done properly.
Clapham
Had a burst pipe on a Sunday evening and TopFix sent someone out within the hour. The plumber explained exactly what was wrong, fixed it cleanly and left everything tidy.
Sutton
Booked a full bathroom refit. The team was punctual and the price matched the quote exactly. Our older Victorian house had complicated pipework and they handled it without any fuss.
Wimbledon
Servicing and CP12,
explained.
Managing more than one property? Tell us how many and we will book them into one run to save you the admin.
Call 020 3095 1113What is the difference between a service and a CP12?
A service is maintenance — the boiler is opened, cleaned, tested and set correctly. A CP12 is a legal safety inspection of the gas appliances in a rented property, and it produces a certificate. Landlords legally need the CP12; the service is what keeps the boiler working and the warranty valid. We normally do both in one visit.
How often is it required?
Every twelve months in both cases. For landlords it is a legal duty under the Gas Safety Regulations; for homeowners it is a condition of almost every manufacturer warranty.
How long does it take?
Usually between 45 minutes and an hour for a service. A CP12 covering a boiler and a gas hob in the same property adds a little to that. You get the paperwork before we leave or by email the same day.
My boiler is working fine — do I still need it?
That is exactly when to do it. A service finds the worn seal, the drifting gas pressure and the blocked condensate before they leave you without heating, and it is what keeps the warranty in force if something bigger fails later.
Can you arrange access with my tenant?
Yes. Give us the tenant's contact details and we will book the appointment with them directly, attend and report back to you the same day with the certificate.
What if the boiler fails the inspection?
If an appliance is unsafe it must be turned off, and we explain exactly why in writing. In most cases the fault is repairable and we can quote it there and then, so you are not left guessing about what comes next.
Due a service,
or a certificate?
Book it now rather than in the first cold week, when every engineer in South London is on breakdowns.