Blog 23 May 2026
CAD drainage plan

Scaled CAD drawing of a drainage system showing pipes, chambers and connections.

Blog 23 May 2026
Lateral drain survey

CCTV survey of the lateral drain section between a property boundary and the public sewer.

Blog 23 May 2026
As-built drainage drawings

Drawings recording the drainage system as it was actually constructed, not just designed.

Blog 23 May 2026
Branch drain survey

CCTV inspection of a branch drain serving a single fitting or small group of fittings.

Blog 23 May 2026
Council drainage records request

Formal request to a local authority for historic drainage records held on file.

Blog 23 May 2026
Manhole condition survey

Survey assessing the structural and functional condition of drainage manholes and chambers.

Blog 23 May 2026
Thames Water records search (s.104)

Search of Thames Water records to identify public sewers and adopted lateral drains.

Blog 23 May 2026
Sewer record office

Office or service holding the public sewer records for a local authority area.

Blog 23 May 2026
Pre-acquisition drain survey

Drain survey carried out before acquiring a commercial property or development site.

Blog 23 May 2026
Insurance dilapidation survey

Survey assessing drainage condition to support a dilapidations or insurance schedule.