Bexley's building control department is well-resourced and processes Full Plans applications efficiently — 4-week approval is typical for a straightforward residential project. This is one of the advantages of building in an outer borough: the planning and building control workflow tends to be faster than inner London equivalents.

The technical challenge on this project was coordinating the structural scheme for two simultaneous works: the ground-floor rear extension foundations and the new loft floor structure. The loft beam had to be carried by a new steel stanchion at ground level, which needed to be designed around the extension foundation layout.

We produced a coordinated structural package with the engineer, showing both schemes on the same drawing set. This is more efficient than separate packages and reduces the risk of buildability conflicts that arise when different drawing sets are prepared independently.

The BCO at Bexley approved the Full Plans in exactly 4 weeks. The construction proceeded on a single programme with both the extension and the loft being built out simultaneously by the client's contractor, reducing overall build cost and programme.

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