Concrete Bases Worcestershire: What You Need for Sheds, Summer Houses & Hot Tubs

Planning a shed, garden room, or hot tub in Worcestershire? Plex Group explains what goes into a professional concrete base — and why getting it right first time matters.

See how we can help you!
Read more

Why the Base Matters

Clay-heavy soils across Evesham, Cheltenham, and Moreton-in-Marsh expand when wet and contract in dry spells. Without a properly engineered base, slabs crack, structures shift, and buildings fail prematurely. At Plex Group, every concrete base starts with a full site assessment before any groundwork begins.

Depth and Reinforcement

Specification depends on what the base needs to support:

  • Sheds and workshops: 100mm unreinforced slab on a compacted sub-base
  • Summer houses and garden offices: 125–150mm with A142 mesh reinforcement
  • Hot tubs: 150–200mm reinforced slab — a filled tub can exceed two tonnes

Steel mesh prevents cracking under load and protects against seasonal ground movement — critical across Worcestershire's mixed soils.

Preparation and Drainage

We excavate to the correct depth, lay and compact MOT Type 1 aggregate, and install drainage channels where required. The surrounding ground is graded to direct water away from the structure. Concrete is poured, levelled with laser accuracy, and protected during the 28-day curing period. Shortcuts at any stage compromise the entire installation.

Read more

Built for Clients Like You

Major Garden Renovation in Kingham: The Back Garden

A four-month back garden renovation in Kingham with a 100m² limestone herringbone patio, recycled concrete sub-base, new lawn and London plane tree screening.

Learn more

Garden Redesign and Golf Simulator Build in Bidford-on-Avon

A three-month garden redesign in Bidford-on-Avon with a new soakaway, patios, paths and turf, plus a bespoke 8m x 6m brick-built golf simulator.

Learn more

Reclaiming Privacy: Garden Redesign in Moreton-in-Marsh

A two-week garden redesign in Moreton-in-Marsh with an Indian sandstone patio, mature yew privacy hedge, relaid lawn and gravel access paths.

Learn more

What to Expect from Plex Group

  • Full site assessment before any work begins
  • Correct specification for your structure and soil type
  • Professional groundwork across Worcestershire, Gloucestershire, and Warwickshire
  • Installations in Evesham, Cheltenham, Stratford-upon-Avon, Moreton-in-Marsh, and Burford
How thick should a concrete base be for a shed or summer house?

Sheds typically need 100mm, while summer houses and garden offices require 125–150mm with reinforcement. Hot tubs need up to 200mm due to the weight when filled.

Do I need a reinforced base for a hot tub?

Yes. A filled hot tub can exceed two tonnes, so steel mesh reinforcement is essential to prevent cracking and ensure even weight distribution across the slab.

How long does a concrete base take to cure?

Concrete sets in 24–48 hours but reaches full strength after 28 days. Heavy structures should not be placed on the slab until curing is complete.

Do you install concrete bases across Gloucestershire and Warwickshire?

Yes. Plex Group installs concrete bases across Worcestershire, Gloucestershire, and Warwickshire, including Evesham, Cheltenham, Stratford-upon-Avon, Moreton-in-Marsh, and Burford.

Built to Last Across the Region

Whether you're in Cheltenham, Burford, or the Vale of Evesham, Plex Group designs every concrete base to suit the specific structure, load, and ground conditions on your site. We don't use a one-size-fits-all approach — and that's exactly why our installations last. Get in touch for a no-obligation consultation.

Conclusion

A professional concrete base protects your garden structure for decades. Plex Group delivers precision groundwork for sheds, garden rooms, and hot tubs across Worcestershire, Gloucestershire, and Warwickshire — built right, first time.

Landscaping Guides

Why Do My Fence Panels Keep Blowing Out In The Wind

Fence panels blow out because solid panels catch wind, fixings are weak or the posts had already failed. Plex Group explains the causes and the proper fix across Worcestershire and Gloucestershire.

Read more

Why Can't I Just Use Cement To Fix My Drystone Wall

Cement stops a drystone wall moving and draining, traps water in soft limestone and turns small failures into large ones. Plex Group explains the right way to repair walls across the Cotswolds.

Read more

Why Is Ivy Damaging My Drystone Wall

Ivy roots into the core of a drystone wall and forces the stones apart, and pulling it off makes the damage worse. Plex Group explains what is happening and the right way to fix it across the Cotswolds.

Read more