Ball park figure for Combi boiler swap
Ball park figure for Combi boiler swap
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NorthEast

Original Poster:

322 posts

261 months

Wednesday 6th July 2011
quotequote all
My mother has just been quoted £1800 for a combi boiler swap, new boiler will be a Worcester Bosch 30kw, including new flue, remote control and a system clean (not powerflush). Does this sound about right. I have used the company before so I know they do a good job.
So rather than trying to get further quotes, with people not turning up, or turning up and then not quoting (ask me how I know this)or not quoting like for like etc,would appreciate any feedback from any heating engineers or people who have had a boiler change recently on price quoted.

anonymous-user

78 months

Wednesday 6th July 2011
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Seems a bit high if just a straight swap over TBH? My mother got quotes to replace an ancient boiler with a new one which also required new controls, wiring & some plumbing. That quote was £1600. A certain national company that happens to supply gas quoted £3200, I got this down to £800 after they tried to rip her off smile That was apparently cost price.

LivingTheDream

1,768 posts

203 months

Wednesday 6th July 2011
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That boiler, flue, remote etc will be half of that cost approx

We had a Worcester put in last year (slightly bigger one). ours was a take out old boiler, put new boiler in different room, make good where old boiler was, removal of loft tanks, hot water tank and associated pipeworks, 2 new rads, TVs on rads that didn't have one, powerflush, also included the wireles remote system.

£4k for all that

So yours sounds about right to me - especially if you know the work to be good quality. our boiler, flue, wireless remote etc cost just over £1k.

spiritof'76

1,424 posts

248 months

Wednesday 6th July 2011
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Not an entirely unreasonable price i would say......... maybe a sniff high in these competetive times so maybe a little friendly bartering could see £50-100 deducted if your feeling cheeky wink


mattdaniels

7,362 posts

306 months

Wednesday 6th July 2011
quotequote all
Yes sounds about right.

I paid just over 4500 a few months back to get a combi back boiler fitted to replace a 20 year old back boiler.

About 1100 of that was parts. The rest was the charges for fitting, wiring, scaffolding, powerflushing, rubbish removal etc. etc. and vat.

Edited by mattdaniels on Wednesday 6th July 17:12

NorthEast

Original Poster:

322 posts

261 months

Friday 8th July 2011
quotequote all
Thanks,

Blr has a 7 year warrenty and two years free servicing. Also installer do their own 24hr call out service for all the heating system at £6/month for the 1st. two year and £9 thereafter.
Will see if there is any haggle space with them on price.

Forgot to add the boiler is in an inside cupboard and a new flue required through the loft to external wall. (through the roof tiles would have been cheaper but my mother did not want this)

Edited by NorthEast on Friday 8th July 12:31

telecat

8,528 posts

265 months

Friday 8th July 2011
quotequote all
What size is the house and how many Bathrooms does it have?? If it's more than one bathroom I'd go at least 5KWs more to get an adequate flow rate on Hot water.
I'd also make sure the Condenser pipe outputs to a waste pipe inside the house. Stops the problem of it freezing up and stopping the boiler in the winter.

Nicholas Blair

4,111 posts

308 months

Friday 8th July 2011
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telecat said:
I'd also make sure the Condenser pipe outputs to a waste pipe inside the house. Stops the problem of it freezing up and stopping the boiler in the winter.
Interesting, as I've just had a new boiler fitted and condenser goes into a small 'soak tank' burried outside. Will need to lag the pipework that goes there in that case.

Cheers
nick

Ferg

15,242 posts

281 months

Friday 8th July 2011
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Definitely lag it. They are a bad idea, generally, due to the exposed pipe horizontal at ground level. You can bury the pipe between the wall and the soakaway, but there's still a risk of freezing as it's above the frost point. 500mm from the footing, I think the regs say.

Ferg

15,242 posts

281 months

Friday 8th July 2011
quotequote all
mattdaniels said:
...a combi back boiler
I never knew such a thing existed. That must be a tight squeeze in the casing!

MonkeyHanger

9,266 posts

266 months

Friday 8th July 2011
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Ferg said:
mattdaniels said:
...a combi back boiler
I never knew such a thing existed. That must be a tight squeeze in the casing!
Maybe he's confusing it with a Condensing back boiler ?

NorthEast

Original Poster:

322 posts

261 months

Monday 11th July 2011
quotequote all
telecat said:
What size is the house and how many Bathrooms does it have?? If it's more than one bathroom I'd go at least 5KWs more to get an adequate flow rate on Hot water.
I'd also make sure the Condenser pipe outputs to a waste pipe inside the house. Stops the problem of it freezing up and stopping the boiler in the winter.
Exisiting blr is 24Kw supplier advised going up to a 30kw mainly for the hot water supply.

telecat said:
I'd also make sure the Condenser pipe outputs to a waste pipe inside the house. Stops the problem of it freezing up and stopping the boiler in the winter.
The boiler is in an internal cupboard, condensate will go into the bathroom next door and then into the bath drain-so should be ok.

Edited by NorthEast on Monday 11th July 09:41

Trommel

20,437 posts

283 months

Monday 11th July 2011
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£750 for a 30kw Glow-worm combi (I know, but it wasn't for my use) and installation, including removal of old open-vent boiler and associated tanks and pipework.

dirkgently

2,160 posts

255 months

Monday 11th July 2011
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Trommel said:
£750 for a 30kw Glow-worm combi (I know, but it wasn't for my use) and installation, including removal of old open-vent boiler and associated tanks and pipework.
I recon someone has been relieved of a 30kW glow-worm combi.

Trommel

20,437 posts

283 months

Monday 11th July 2011
quotequote all
dirkgently said:
I recon someone has been relieved of a 30kW glow-worm combi.
Not at all - the boiler was bought online by the fitter (for about £460 from memory). I don't think the remaining £290 is so bad for a day's simple work.

Edit - forgot the free Danfoss wireless thermostat he chucked in.

Edited by Trommel on Monday 11th July 18:56

Buffalo

5,480 posts

278 months

Friday 15th July 2011
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If you are happy with the firm and feel confident that they will do the work as requested, then pay the ££ and worry about something else. Arguing over a couple of hundred pound because 'some unknown company' is offering to do it that much cheaper is not worth the hassle IMO.

mattdaniels

7,362 posts

306 months

Friday 15th July 2011
quotequote all
MonkeyHanger said:
Ferg said:
mattdaniels said:
...a combi back boiler
I never knew such a thing existed. That must be a tight squeeze in the casing!
Maybe he's confusing it with a Condensing back boiler ?
Probably silly

It's a "Baxi BBU with Valor electric fire front". I didn't want half the house ripped apart relocating the boiler to the kitchen in order to replace the existing back boiler in the lounge, and Baxi are currently the only people who make one of the new fangled units as a back boiler.

Incidentally re the pipe freezing thing, I questioned this too and am "assured" (!) that people who have had problems with freezing have either used too small a diameter of pipe or have not had the heating element thing in it or the boiler is not the type which "pumps" the water out.

So feel free to boing this thread after the "long hard winter of 2012" with the "I told you so's" when my pipe bursts.