Groundworks & drainage · Cornwall The groundwork comes first.
New-build gardens that will not drain, banks that eat the garden, bases for hot tubs: the work underneath, done before anything is laid on top.
The work
What Benn has dug, drained and built.
Each one from a post where he shows the work.
- 01
56 tons out
Soil removed from a sloping garden to make an unusable space usable, then Terraforce block walls. 2025.
- 02
60 tons out
Rubble and soil out of a cramped garden to get the levels right for a patio, retaining wall and steps. 2021.
- 03
A foot of rocky soil
Dug out of a new-build garden with very poor drainage, to fit a new drainage system and sub base. 2022.
- 04
A hot tub base
7 inch concrete with reinforced steel mesh and concrete fibres, to reduce shrinkage and cracking. 2026.
- 05
Levels and topsoil
12 tons of screened topsoil to get the levels right and give new turf the perfect base. 2023.
- Drainage systems
- Slot drains
- Sub base
- Reinforced concrete
- Steel mesh
- Screened topsoil
- Terraforce blocks
More from the posts
Other recent ones.
Questions
What people ask.
My new-build garden floods. Can you fix it?
Yes. New-build gardens with very poor drainage are a job Bould does again and again. The usual fix is to dig out, put in a new drainage system and a proper sub base, then build on top.
Can you take away the soil?
Yes. 56 tons came out of one garden, and 60 tons of rubble and soil out of another.
Can you lay a concrete base for a hot tub?
Yes. For a six-person hot tub in 2026, Bould laid a 7 inch concrete base with reinforced steel mesh and concrete fibres, to reduce shrinkage and cracking.
Do you do drainage on its own, without a patio?
Yes. Whatever the job, Benn always recommends an outlet for any surface water. On a patio, that’s a slot drain along the edge to carry it away.
Working across Cornwall from St Austell: Mevagissey, Truro, Penryn, Newquay, Padstow, Wadebridge, Bodmin, Liskeard, Looe and the rest of the county.
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