Advice
Boiler servicing advice for London
35 plain answers to real questions people in London ask, grouped by job. Each one starts with the short answer.
Annual boiler service
Annual boiler service serviceboiler in cupboard regulations
Boiler in a cupboard: the rules for London flats
Can a boiler go in a kitchen cupboard? What the maker's clearances mean, ventilation, flues and access for servicing in London conversion flats.
how long does a boiler service take
How long does a boiler service take?
Most gas boiler services take around an hour once the engineer can reach the boiler. What makes a London visit longer, from cupboards to cylinders.
boiler flue regulations
Flues in voids: what owners of new London flats need to know
Many London flats built since 2000 have boiler flues hidden in ceilings. Why inspection hatches are needed and what happens at a service without them.
gas safe certificate check
How to check an engineer is Gas Safe registered
How to check an engineer is Gas Safe registered: the ID card, the licence number, the back of the card and the online register. A London guide.
what does a boiler service include
What does a boiler service include?
A step by step list of what a full gas boiler service includes, from gas pressure and burner checks to the combustion test and service record.
best time of year to service boiler
When is the best time of year to get your boiler serviced?
London search data shows boiler service demand in October at about four times May and June. Here is why spring and summer are the best time to book.
do i need a boiler service to sell my house
Do I need a boiler service to sell my house?
There is no law requiring a boiler service before you sell. But the property form asks about heating, and London buyers notice. What to have ready.
how often should a boiler be serviced
How often should a boiler be serviced?
Once a year for most gas boilers. What the law says for landlords, what boiler makers say for warranties, and what London's hard water adds.
is it a legal requirement to have your boiler serviced every year
Is it a legal requirement to have your boiler serviced every year?
For owner occupiers in England, no. For landlords, a yearly gas safety check is the law. How the rules, warranties and insurance fit together in London.
Landlord service + CP12
Landlord service + CP12 servicecarbon monoxide alarm
Carbon monoxide alarm rules for London landlords
Since October 2022, landlords in England must fit a CO alarm in rooms with a gas boiler or fire. Where alarms go in London flats and what to check.
landlord gas safety certificate
Landlord gas safety certificate in London: what the law asks
What London landlords must do for gas safety: the yearly check, the 28 day rule, two years of records, agents' duties and how a CP12 fits in.
landlord gas safety certificate cost
How much is a landlord gas safety certificate?
Published UK figures put a landlord gas safety certificate at £60 to £90 for one boiler and a hob or fire. What changes the price for London landlords.
landlord gas safety certificate and boiler service
Gas safety check vs boiler service: what is the difference?
A gas safety check confirms appliances are safe today. A boiler service cleans and adjusts the boiler. Why London landlords usually book both together.
eicr and gas safety certificate
EICR and gas safety certificate: what London landlords need
London landlords need a yearly gas safety record and an EICR at least every five years. Who does each, how dates work, and one calendar for both.
landlord gas safety certificate expiry date
Can you renew a gas safety certificate early?
Since 2018, landlords can renew a gas safety check up to two months early and keep the original expiry date. How it works and how to use it in London.
landlord access for gas safety certificate
What if a tenant will not let the engineer in for a gas safety check?
What HSE expects when a tenant will not give access for a gas safety check: reasonable steps, at least three attempts, notices and records. London guide.
Combi boiler service
Combi boiler service serviceboiler kettling
Why is my boiler kettling?
Kettling is a rumbling or boiling noise from your boiler, usually from limescale or sludge restricting flow. Causes, safe checks and what an engineer does.
combi boiler limescale filter
Does a combi boiler need a limescale filter?
Most of London and Croydon has hard water. What a combi limescale filter or scale reducer does, the main types, and how to tell if you already have one.
limescale in combi boiler
London hard water and your combi boiler
Thames Water says all the water in its region is hard. What limescale does inside a combi boiler, the signs to watch for, and how a service catches it.
System and regular boiler service
System and regular boiler service serviceboiler and central heating service
Servicing a regular boiler with a hot water cylinder
What a service covers on a regular (heat only) boiler with a hot water cylinder and loft tanks. Common in Bromley and outer London family houses.
central heating boiler service
System boiler service: what is checked
What a system boiler service covers, including the built in pump and expansion vessel, and the safety checks for an unvented hot water cylinder.
Boiler breakdown and repair
Boiler breakdown and repair servicevaillant boiler f22
Vaillant boiler fault codes F22, F28 and F75 explained
What Vaillant ecoTEC fault codes F22, F28 and F75 mean, the safe checks you can do, and when you need a Gas Safe engineer. London guide.
boiler pressure keeps dropping
Why does my boiler pressure keep dropping?
Why a combi or system boiler keeps losing pressure: leaks, a failing pressure relief valve or a flat expansion vessel. Safe checks and when to book.
ideal boiler f1
Ideal boiler F1 and L2 codes explained
On Ideal Logic and Vogue boilers, F1 usually means low water pressure and L2 an ignition lockout. Safe checks, winter causes and when to book a repair.
condensate pipe boiler
Frozen condensate pipe: how to get your boiler going again
A frozen condensate pipe is the most common cold morning boiler fault in London. How to find it, thaw it safely, reset the boiler and stop it recurring.
Boilers we service
Boilers we service servicebaxi boiler service
Baxi boiler service and the warranty filter rule
Baxi's 800 range 10 year warranty depends on an annual service and the supplied magnetic filter being maintained. What a Baxi service covers in London.
worcester boiler service
Worcester Bosch boiler service: what to expect
What a Worcester Bosch Greenstar service covers, what Worcester's guarantee says about yearly servicing, and the London checks that matter most.
boiler warranty missed service
Does a missed service void your boiler warranty?
What Worcester Bosch, Vaillant, Baxi, Ideal, Viessmann and Glow-worm say about yearly servicing, and what to do if your service is late.
vaillant boiler service london
Vaillant boiler service in London
What a Vaillant ecoTEC service covers, what Vaillant's guarantee says about annual servicing, and the checks that matter on London's hard water.
where can i find my boiler service history
How to find out when your boiler was last serviced
How to find your boiler's service history: the Benchmark checklist, stickers inside the case, the maker's records, previous owners, landlords and agents.
Magnetic filter clean and system health check
Magnetic filter clean and system health check servicebleed radiators
How to bleed radiators and when it means something more
How to bleed a radiator safely, check the boiler pressure afterwards, and tell the difference between trapped air and sludge in older London systems.
power flush
Power flush or magnetic filter clean: which does your system need?
How to tell whether your heating needs a filter clean, a chemical clean or a power flush. Signs, what each involves and what to ask before paying.
magnetic boiler filter
What a magnetic boiler filter does and how often to clean it
A magnetic boiler filter catches black sludge before it reaches the boiler. How it works, how often to clean it, and why some warranties depend on it.