Example Design Brief for a Single Storey Rear Extension

To help you easily visualize what we require from you for your design brief and what we will then produce with this information, here is an example of a simple Single Storey Extension (rear). Below is everything we received from the client together with the final architect drawings, which have now had planning permission approved.

Written Design Brief

The extension from the dinning area, it retains the original building of the kitchen.

The extension scale is about – length: 6 m, width: 6m to 8m, height: 3-4m.

Both sides are brick cavity wall, the front is brick cavity wall with double glazed sliding door.

The roof is flat roof with one or two roof window.

Please refer the photos I sent before for reference. And the similar shape complete extension as additional photo 3.

Site Photos


Rough sketch of what you envisage

Measurements for the proposed development

• 6m depth
• 8m width
• 3m eaves height (if the structure is less than 2m from the
boundary line)
• 4m (overall height)

Floor Plans

Using this information we produce a full set of architect drawings like this:

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