Common blocked drains problems in Birkenhead
- ✓ Gradient-related debris accumulation on hilly terrain
- ✓ Root intrusion from mature trees in Oxton's leafy streets
- ✓ Fat and grease buildup in domestic and commercial kitchens
- ✓ Tidal groundwater effects on drainage near the Mersey waterfront
- ✓ Ageing clay pipe blockages in Victorian workers' housing