Common cctv drain surveys problems in Hackney
- ✓ Root infiltration at open joints in Victorian clay drain pipes
- ✓ Joint displacement from London Clay ground movement beneath Hackney's terrace streets
- ✓ Cracked or deformed pipe sections beneath shared rear gardens
- ✓ Grease and scale build-up obscuring defects in older pipe bores
- ✓ Drain mapping for pre-purchase due diligence