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Is there room for a smart meter?

  • October 6, 2024
  • 16 replies
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juliamc
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Is there room for a smart meter here ?

Would I have to get a local electrician to move that doorbell transformer somewhere else (assuming that’s what it is), or is there a smaller version available that a meter man could fit so they could get a smart meter in ? British Gas is the supplier.

Best answer by BPLightlog

Updated on 29/04/25 by Abby_OVO

 

That’s all very tight. One of the smallest smart meters is approx. twice the size of that ‘budgie’ meter (under the doorbell) so I think the doorbell will need to be moved for anything to fit.

 

 

As BP says, there appears to be enough room width-wise. Because smart meters usually have the comms hub mounted on top of them, they’re all about the same width - 130mm. The problem here will be the extra height of the comms hub, so I think that doorbell would have to go. My Aclara with a WNC hub is 170mm top to bottom. You’d have to measure from the bottom edge of the existing meter and see where 170mm takes you.

 

The following topic guide on smart meter installations may also be helpful:

 

16 replies

BPLightlog
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  • October 6, 2024

Updated on 29/04/25 by Abby_OVO

 

That’s all very tight. One of the smallest smart meters is approx. twice the size of that ‘budgie’ meter (under the doorbell) so I think the doorbell will need to be moved for anything to fit.

 

 

As BP says, there appears to be enough room width-wise. Because smart meters usually have the comms hub mounted on top of them, they’re all about the same width - 130mm. The problem here will be the extra height of the comms hub, so I think that doorbell would have to go. My Aclara with a WNC hub is 170mm top to bottom. You’d have to measure from the bottom edge of the existing meter and see where 170mm takes you.

 

The following topic guide on smart meter installations may also be helpful:

 


juliamc
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  • October 6, 2024

Thanks @BPLightlog maybe I’ll wait for the next occupier to rewire and start again. Shame as BG are offering £25 credit per smart meter installation - there’s plenty of room at the gas meter but that’s no good on its own, 😕.


Firedog
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  • October 6, 2024

Hello Julia 👋

That meter looks to have come of age …

As BP says, there appears to be enough room width-wise. Because smart meters usually have the comms hub mounted on top of them, they’re all about the same width - 130mm. The problem here will be the extra height of the comms hub, so I think that doorbell would have to go. My Aclara with a WNC hub is 170mm top to bottom. You’d have to measure from the bottom edge of the existing meter and see where 170mm takes you.

It’s difficult for ordinary mortals to find any details of smart meters, even basic ones like their dimensions. It’s all very well for suppliers and installation engineers to know them, but as you illustrate, customers sometimes need to know too.

I thought you had a Secure meter?

 


juliamc
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  • October 6, 2024

@Firedog Thanks for that info. This is my late mother-in-law’s house, so I thought I’d try getting a smart meter in while the family are clearing it, and get the £50 from BG !! However, if I could reposition the doorbell thing myself (how difficult can that be ?!?🤓) maybe it’s still possible.


BPLightlog
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  • October 6, 2024

 However, if I could reposition the doorbell thing myself (how difficult can that be ?!?🤓) maybe it’s still possible.

There should be a feed from one of the trips on the consumer unit. If you isolate it there, someone could take the cover off the bell and move it - it might need longer cables .. or just remove it for now


juliamc
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  • October 6, 2024

I’ll get my screwdriver out…!


Abby_OVO
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  • October 7, 2024

Hey @juliamc 

 

Glad to see BP and Firedog have already stopped by and offered great advice as always!

 

If you do have the smart meter fitted in there, please do pop back with a photo. I’d love to see how it fits in the end!


juliamc
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  • October 11, 2024

@BPLightlog unfortunately there’s no dedicated bell feed here, it’s all a bit out of date ! The meter has the date 2003 on it, does that mean it’s nearly defunct ?


BPLightlog
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  • October 11, 2024

Yes, 20 years is a typical lifespan. 
Those wires connect to somewhere ..

Not encouraging you to get too far into things but if there’s nothing much operating, you could throw the main breaker while you take the cover off the bell


BPLightlog
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  • October 11, 2024

… or even better, switch each off one by one until you find the connection (when the bell doesn’t work)


Chris_OVO
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  • October 14, 2024

I’m with @BPLightlog on this one, flip the main breaker and you’ll probably find it’s wired into the house power supply somewhere behind the case. Keep us updated on your progress 😊


juliamc
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  • October 31, 2024

Update: British Gas’s offer of £50 cash back to get a smart meter has expired, so I will leave it for the next owner of the house to deal with. However I asked an electrician about moving the transformer to make room for a smart meter, and his advice was that if I got one my bills would go up !


BPLightlog
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  • October 31, 2024

Update: British Gas’s offer of £50 cash back to get a smart meter has expired, so I will leave it for the next owner of the house to deal with. However I asked an electrician about moving the transformer to make room for a smart meter, and his advice was that if I got one my bills would go up !

Oh dear! 🤪


Firedog
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  • October 31, 2024

Wrong electrician!


Nukecad
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  • November 1, 2024

Or maybe he just didn’t want such a ‘small’ job so trotted out some BS?

In some areas electricians are in high demand and are turning down such small jobs in favour of larger ones.
(For one thing it’s less travelling betwen multiple small jobs and more time actually working)


juliamc
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  • November 1, 2024

No, he’s coming here anyway to do an even smaller job - he’s local.