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What system boiler size to go with a 4 bed semi house.

Zane97 · 2023-10-17 17:50:22

Hi all. Is a 16Kw boiler big enough for a 4 bed semi? 12 rads on the system. That includes two towel rails. Will this be big enough or should I be insisting on a bigger boiler?

17-10-2023 5:50pm

#1

Zane97

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Join Date: December 2011

Posts: 212

Hi all. Is a 16Kw boiler big enough for a 4 bed semi?
12 rads on the system. That includes two towel rails.
Will this be big enough or should I be insisting on a bigger boiler?

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Comments

#2 17-10-2023 5:52pm

Wearb

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Building Energy rating?

Please follow site and charter rules. "Resistance is futile"

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#3 17-10-2023 6:28pm

Zane97

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Posts: 212

No idea… it’s timber frame built is 2006. Wouldn’t have the best insulation.

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#4 17-10-2023 6:50pm

carveone

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What bord gais told me was "roughly 1.5kW per rad" as an estimate. Plus your cylinder. A decent condensing boiler will modulate down anyway.
If you've a decent BER it'll be different.

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