Sometimes you don’t need planning permission for certain projects, but you will almost always need building regulations drawings and building control department approval.

This process involves the inspector checking the plans to make sure the correct technical elements are specified such as beam sizes for taking out load bearing walls, timber joist sizes for roofs and floors and insulation levels needed and many more things to make sure your extension is built properly and safely.

They will then make several visits at different stages of the build, usually in the case of an extension:

1. When the foundations have been dug to check the ground conditions, this is to make sure it is good enough for a normal concrete strip foundation to be used.
2. When the concrete has been poured and set to confirm building on them can begin.
3. Once the brick or block work is up to the damp proof course level, to check the damp proofing is done correctly.
4. After the majority of the extension is built to confirm the right steelwork and amount insulation is in.
5. When the extension is completed to check things like extractor fans and energy efficient lighting have been used, they will also sign off the electrical and gas work at this stage when they receive the certificates from the contractors and issue a completion certificate for the job.

We use a private approved inspector on all of our jobs instead of the council. This greatly improves the efficiency of the job as they are very practical and accommodating with us and builders on site.

The company we use is called Aedis and our main point of contact and inspector is Neil Marsden.

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