Boiler boiler on the wall who is most efficient of all

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Our mains gas boiler is around 28 years old, still it runs fine with no problems. Heats the radiators and hot water to the cylinder. The house (built mid sixties) is fully insulated to a good standard. The question : Would we really benefit financially if we were to go for a new boiler?

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Thanks chaps, time to give the old boiler a polish up then.

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ctdctd said:

moles said:

No way did you have a back boiler fitted for 30 years without it needing servicing or a thermocouple that is bullst.

It was not serviced from 1992 when I moved into the house until 2003 when it rusted through.

Interesting comment regarding servicing. We bought our house 14 months ago, lots of work done and now thinking about the gas boiler, hence O.P. However, the elderly couple we purchased from seemed to keep all maintenance bills, including woodworm treatment in the garage back in 1986! But no sign of any bills for the gas boiler, strange or coincidence I wonder.
We did find a bill for service / repair of the hot water solar panels on the roof, originally installed were three units, one of these burst owing to inadequate antifreeze in system. Apparently the system had many install faults such as copper pipes with solder joints, these were all changed and the broken panel removed but not replaced. Bill just under 2K

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RC1 said:

if it aint broke don't fix it unless your going to recover the outlay in the period you are likely to remain in the house.... and boiler replacements can be intrusive depending on what youre changing from/to

our badboy is a 20+ year old kingfisher potterton II and yes it only about 70% efficient but its serviced annually on the dot and im still paying less than 1500 squid per annum for duel fuel for a 130m2 crusty old 1920's house...

Cheers! having read all posts decided that as our boiler still runs just dandy we will stick with it. Thanks all.