Concrete Bases in Westminster built for sheds, summerhouses, hot tubs and more. We deliver reinforced, level slabs with proper drainage, even where access is tight in SW1.
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A well-built base is the difference between a solid installation and years of movement, cracking and water pooling. Fine Landscaping designs and pours concrete bases for sheds, summerhouses, hot tubs, greenhouses and garages across Westminster. We regularly work near Victoria and Pimlico, where gardens can be compact and access routes are shared. Expect a clean, level finish that’s ready for your structure to go straight on.
Westminster homes range from Georgian townhouses to mansion flats and luxury apartments with communal gardens. These properties often have strict access times, sensitive boundaries and premium finishes that need protecting. We plan every pour to minimise disruption, keep pathways tidy, and avoid damage to paving, steps and railings. If your outdoor space sits behind a period frontage, we’ll match the standard of the building with equally precise groundwork.
Our process starts with a site visit, measurements and a clear recommendation for thickness, reinforcement and drainage falls. We excavate to the correct depth, install a stable sub-base, add steel mesh where required, then pour and power-finish for a true level surface. Edges are formed neatly, and we leave the site clean and safe. Homeowners choose us for reliable scheduling, transparent specifications, and workmanship backed by a 10-year warranty.
Working in the City of Westminster often means controlled parking, timed deliveries and narrow access—especially around Whitehall and SW1 streets. Ground conditions can vary between made ground and compacted sub-layers, so we don’t guess; we build up a stable sub-base and specify reinforcement where needed. We also plan for drainage to protect neighbouring walls and patios. If council or building management rules apply, we help you stay compliant and organised.




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Costs depend on size, thickness, access and whether reinforcement is required. As a guide, small shed bases often start around £450–£900, while larger summerhouse or greenhouse bases commonly fall between £900–£1,800. Hot tub and garage bases can range from £1,500–£4,500+ due to thicker pours, steel mesh and extra groundwork. Tight access in Westminster can add labour for barrowing and smaller deliveries.
Most shed or greenhouse bases are completed in 1 day, with larger summerhouse or hot tub bases typically taking 1–2 days including excavation and sub-base. Garage bases can take 2–4 days depending on size and reinforcement. Curing time matters too: light foot traffic is usually fine after 24–48 hours, but heavy loads and installations are best after 7+ days, weather permitting.
In many cases, a concrete base for a shed, greenhouse or similar garden structure is permitted development, provided it stays within size and height limits and doesn’t significantly alter drainage. However, Westminster properties can have extra constraints, such as listed status, conservation areas, or building management rules for mansion flats. We’ll flag potential issues, advise on drainage requirements, and help you check City of Westminster guidance before work begins.
We provide a 10-year warranty on our concrete base workmanship, covering issues such as settlement caused by inadequate preparation, poor compaction, or defects in finishing attributable to installation. The warranty assumes the base is used as intended and not overloaded beyond the specified design. We also document the build-up (sub-base, reinforcement, thickness and falls) so you know exactly what’s been installed and why.
We can build standard float-finished slabs, power-floated finishes for a smoother surface, or a lightly brushed finish for extra grip. Options include reinforced mesh, thicker edges, and integrated drainage falls to a suitable run-off point. For sheds and summerhouses, we can add anchor points or set-out lines for frames. We’ll recommend the right specification based on your structure, load, and how your Westminster garden drains.
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