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Site inspections

When you have submitted an application and you are ready to start work you must notify us at certain stages so we can carry out site inspections.

You can request a site inspection by using our online site inspection report form, or you can contact our Building Control team.

If you fail to do this you will be breaking the law and may face a fine of up to £5,000 for each offence.

It may also mean we cannot issue a Completion Certificate and this is likely to cause problems when you try to sell your property.

The stages will depend on the nature of the work being carried out. If you are unsure about which stages are relevant contact our Building Control team.

You must give us notice at the following stages:

Stage 1 – Commencement (at least 48 hours notice)

  • This is the first statutory notification. We normally visit when the work starts. However, in certain circumstances we may agree not to inspect the site until a further notice is received.

Stage 2 - Foundation excavations

  • For conventional foundations the foundation trench should be dug, levelled and cleaned to remove ground water before asking for an inspection.
  • For special foundations, such as a raft foundation or piled foundations, contact our Building Control team to agree an inspection programme before the work starts.

Stage 3 - Foundation constructed

  • Notice must be given when the concrete has been placed. It is advisable to have the corners of the building marked out to show the position of the walls on the foundations. Our Building Control Surveyor will be looking to see that the walls will be positioned correctly on the concrete. Sometimes it is possible to start building the walls before this inspection, but you should discuss this with your Building Control Surveyor.

Stage 4 - Damp proof course laid

  • You must notify us before any damp proof course is covered up.

Stage 5 - Oversite ready for concreting

  • For solid ground bearing floor slabs it is the hardcore, insulation and damp proof membrane that we will inspect before concrete.
  • In the case of suspended timber floors it is the ground below the oversite concrete that we need to inspect before it is covered by the floor.

Stage 6 - Structural members

  • We must inspect before you cover any structural members, for example floor joists, roof timbers or steel beams etc

Stage 7 - Drains laid

  • The drains must be inspected before they are covered up so we can check the layout and construction. All drainage work should be inspected. This includes foul drainage and surface/rainwater drainage to the building.
  • We also advise you to test the drains are watertight before you cover them up.

Stage 8 - Drains test

  • When the building is complete we will usually ask you to test the drains while we watch to check that they are watertight.

Stage 9 - Completion

  • You should request an inspection when the building work is fully complete (or for new buildings, before occupation).
  • We will issue an inspection programme for your building work before you begin which will list the stages of work we need to inspect.
  • However, the inspection programme is the minimum number of inspections and we may call at other times to check the work while it is in progress.
  • Provided we have seen all the relevant stages of work, and they comply with the Building Regulations, a Completion Certificate will be issued.

We recommend any final payments to builders are only made after the Building Control Surveyor has carried out a satisfactory completion inspection.

Some building work will need extra specific inspections, such as fire protection, thermal insulation and electrical installations. We would rather inspect your work too often than risk refusing to issue a Completion Certificate because of something we have not been asked to inspect.

For more information contact our Building Control team.