Blake Fire and Security Systems

Fire Compartmentation for Electrical Services in a Southend HMO

Date: 1 September 2022

A Fire Risk Assessment for a house that had been split into two flats highlighted an issue. So a local letting agent approached Blake’s to see if we could help.

The Fire Risk Assessor had flagged a potential risk. There were gaps where the electrical services entered the consumer unit.


During our site survey, we recognised that the solution was Fire Compartmentation.

But it wasn't going to be as easy as that sounds.

The consumer unit was right by the front door in a narrow communal area.

To follow building regulations, we needed to enclose the services in a cupboard.

But this was not possible because, as Martin Blake, our Passive Fire Protection Manager, said:

the width of the communal area was too small; and
a conventional box would restrict the opening of the front door.


We needed a box that was big enough to cover the consumer unit and its supplies.

And narrow enough to fit into the area without restricting the front door.

But which could still have the relevant certification for Fire Compartmentation.

So we installed a purpose made metal over box around the electrical supply.

This product comes with its own certificate and test evidence. We gave this certification to the letting agents. And supplied each tenant with a key to the box.

Oh, nearly forgot! We also had to move the water supply so that the pipes went around the box.


Since carrying out these works, we have worked with this letting agent on their numerous properties across the city of Southend.


Have you had a Fire Risk Assessment and need Fire Compartmentation help you can trust?
Click the Get Your Quote button below and we will be happy to help on your project.

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This blog post is provided for general information only. It is not intended to amount to advice on which you should rely. Call Blake's on 01702 447800 to speak to one of our professionals for specialist advice before taking, or refraining from, any action on the basis of the content on our site.

Although we make reasonable efforts to update the information on our site, we make no representations, warranties or guarantees, whether express or implied, that the content on our site is accurate, complete or up to date.

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