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Flat Conversion Architectural Designer, Hounslow

Subdividing a house into self-contained flats needs layouts that satisfy space standards, fire safety and parking policy — not just a floor plan split down the middle.

Space standards & means of escape

Each new flat is checked against the Nationally Described Space Standard for minimum floor areas, and against Building Regulations for fire separation and means of escape — particularly important where a single staircase serves multiple units.

Planning considerations

Most flat conversions need full planning permission, with parking provision, refuse and cycle storage assessed against your borough's policies. Some boroughs also apply restrictions on converting family-sized houses to protect housing mix — we check this before designing.