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Topic Title: Flats
Topic Summary: 3 Phase Supply
Created On: 28 June 2013 03:53 PM
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 28 June 2013 03:53 PM
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Ampman

Posts: 1021
Joined: 06 February 2006

Afternoon ,

I need a new 100 amp PME 3 phase connection & isolater installed ,

I need to supply 3 flats individual Im thinking of putting the seperate single phase meters next to the new 3 pahse supply & SWA through a 100 amp switch fuse Possible down rated to 63 amp .

My question is i am to still install switch fuses near the PME connection .

Just wondering if there is a dual rcd board that has a meter installed in it ? saving space near the new pme connection .

Cheers

Edited: 01 July 2013 at 06:43 PM by Ampman
 28 June 2013 04:32 PM
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OMS

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Joined: 23 March 2004

Assuming private meters you can put them where you like

Obvioulsy you need the source end protection anyway, so a CT block and electronic meter or a basic whole current meter isn't a big deal

Bit of 3" x 3" trunking horizontal from the head or wherever the TP&N meter is with SP&N meters below and switchfuses above is not a big space take - easy to connect your SWA's etc

If they are DNO meters, they'll have an agreed layout anyway

Regards

OMS

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Failure is always an option
 28 June 2013 05:52 PM
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Ampman

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Plus i shall need a landlords supply meter from one phase
 28 June 2013 06:06 PM
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OMS

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Why - the difference between the 3 x flat meters and the DNO meter is the landlords anyway

Or have I misunderstood what you are trying to achieve

Regards

OMS

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Failure is always an option
 28 June 2013 06:08 PM
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Ampman

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Very true OMS

Silly me , landlord will charge the tenants & whats left is his

Cheers
 28 June 2013 09:58 PM
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leckie

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Well that is true but it is much more simple to have a landlords meter. Say the three flats are occupied at different times of the year, and the invoices are not covering the exact same periods, it might get a bit complicated to separate the landlords liability. I have done many, many block of flats and they have nearly all had a separate meter for the landlord.
 28 June 2013 10:19 PM
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perspicacious

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There will always be the issue of the accuracy of the flat meters being questioned. I advise that the landlord has his own supply check metered in addition to the flats and once a month (or how often he wishes), not only are all the private meters read but also the main meter. That way, every month when re-read, the total of the check meters can be added up and compared to the main meter. There could be a difference of ~0.5% but should one occupier complain, the landlord can show the readings.........

Regards

BED
 29 June 2013 09:53 PM
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primo

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Would it not be best just to install MID meters as they are being used for billing purposes?
 30 June 2013 07:39 PM
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Ampman

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MID meters ? what are they
 30 June 2013 07:54 PM
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sparkingchip

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Why have a three phase meter? Three suppliers single phase meters would be appropriate with only one flat supply shared with the landlords installation.
 30 June 2013 08:12 PM
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Ampman

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3 x single phase ,

Does this cost more in less ? to install .

I will still need to swa out from the posistion of the meters regardless ,
I will struggle to get a switchfuse in those silly meter boxes they install .

I need to have a meter cupboard big one
 30 June 2013 08:23 PM
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sparkingchip

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You need to get the landlord to agree a supplier for the flats and get suitable metering, I have sent you my email by private message, email me and I'll send you some stuff!!
 30 June 2013 08:42 PM
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Ampman

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Cheers

Sparking ive just e-mailed you
 30 June 2013 09:33 PM
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Ampman

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Do the suppliers charge more for sending 3 x electric bills ?

Im not sure ?

SO there is no need for a 3 phase meter hope you know where i coming from

cheers
 30 June 2013 10:08 PM
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sparkingchip

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Two bill go direct to the tenants of the flats supplied individually, the third flat is shared with the landlord and has a sub meter within the flat. so the landlord pays the bill and charges charges the tenant a % based on the sub meter reading. There is a issue of mixing a commercial and domestic supply on the same meter, but don't go into too much detail when setting the accounts up may be the best advice.
 30 June 2013 10:37 PM
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alancapon

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You have two options really.

First, get a three-phase meter installed by the DNO / Meter Operator, and then use private sub-metering to split the three flats and landlords bills out.

Second, apply for four individual single phase supplies - one for the landlord, and one for each flat. Using this arrangement, it is not wise to supply the landlords board from a flat, as the flat may get cut off for being empty / poor payment, or may be subject to "self disconnection" if the tenant wishes to have a key-meter installed.

Regards,

Alan.
 30 June 2013 11:32 PM
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sparkingchip

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Western Power and British Gas advised to go for three single phase meters and split one with the landlord taking responsibility for the bill, it seems to keep them happy.
 01 July 2013 06:45 PM
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Ampman

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On the KVA Calculations i will need to give the supplier will i ask for

24 kva x 3 ?

Thanks
 01 July 2013 08:30 PM
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sparkingchip

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It depends on if you have electric water and space heating or you have a gas central heating boiler or other non electric water and space heating.

Andy
 01 July 2013 10:08 PM
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Ampman

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This install is going to be all electric heating & water heating ,

1 x bedroom bedsit

2 x bedroom flat

3 x bedroom flat

The flats have lounge dining & kitchen with electric hob & oven

thanks
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