Common cctv drain surveys problems in Houghton-le-Spring
- ✓ Mapping drainage in older stone and brick-built properties
- ✓ Assessing drainage near former mine workings
- ✓ Pre-purchase surveys for period properties in Newbottle
- ✓ Root ingress from mature vegetation in established gardens
- ✓ Investigating causes of recurring blockages in terraced streets