Blog 23 May 2026
Flat (purpose-built)

Self-contained dwelling within a building designed for multiple occupation.

Blog 23 May 2026
Retail unit

Shop or retail space, often with single WC and limited drainage to high street sewer.

Blog 23 May 2026
Funeral parlour

Premises preparing deceased for burial or cremation, with sensitive drainage and contamination control.

Blog 23 May 2026
Residential property

Dwelling used as a home, including houses, flats and maisonettes across Greater London.

Blog 23 May 2026
Maisonette

Flat occupying two or more floors with its own external entrance, often above shops.

Blog 23 May 2026
Restaurant kitchen

Commercial food preparation area with grease trap, trade effluent and high drainage loads.

Blog 23 May 2026
Mews property

Converted stable or coach house behind main street, with limited rear drainage access.

Blog 23 May 2026
Detached house

Standalone single dwelling not joined to any other property, with independent drainage runs.

Blog 23 May 2026
Mansion flat (Victorian conversion)

Flat created by subdividing a large Victorian house, typically with retrofitted drainage.

Blog 23 May 2026
Cafe kitchen

Smaller commercial food preparation area with reduced grease loads compared to restaurants.