That Victorian terrace garden in Dartford deserves a proper shed foundation. Clay soil shifting beneath your feet? Let's sort out a base that won't budge when the seasons change.
Response within 24 hours
Dartford's mix of chalk and clay presents interesting challenges for garden structures. Between the Darent Valley's moisture patterns and those tight plot boundaries common in DA1, getting a shed base right requires local knowledge. Years of working across Crayford's new builds and Bexley's established gardens taught us exactly how deep to dig when London clay meets Kentish chalk.
A properly constructed base prevents timber rot, stops door jamming, and keeps contents dry through winter floods. Compacted MOT Type 1 hardcore forms the foundation layer, followed by sharp sand levelling and either concrete slabs or poured concrete depending on your shed's weight. Drainage channels redirect water away from the structure – particularly important given how Greenhithe's hillside properties channel rainwater downslope.
Local contractors understand DA1's ground conditions intimately. Every base includes proper damp-proof membrane installation because we've seen what Thames moisture does to unprepared structures.
Rated 4.9/5 from over 280 verified reviews
Standard 8x6ft bases start from £350-450, while larger 10x12ft installations range £550-750. Complex slopes or poor drainage can add 20-30% to these figures.
Absolutely – from West Hill estates to Temple Hill, we work across all DA1 neighbourhoods. Regular projects in surrounding Crayford and Bexley mean we're always nearby.
Most shed bases take 1-2 days including excavation and curing time. Larger bases or tricky access might stretch to 3 days.
Each base carries a 10-year structural guarantee covering settlement, cracking, and water ingress. Documentation provided matches building control standards should you need it for property sales.
Often yes – we'll assess thickness, level, and condition first. Minor levelling with self-levelling compound usually suffices, saving considerable cost versus complete replacement.
Get your free, no-obligation quote today.