- Made in North Devon since 1973
- BSI Kitemark ready-mixed concrete
- Manufactured to BS EN 14992
- UK-wide & European delivery
Civils · infrastructure · highways
Cantilever Walls.
No tie-back. Up and standing the same day.
When should you choose a cantilever retaining wall?
When should you choose a cantilever retaining wall? Pick cantilever when retained height runs above 3 m (9ft10in), the wall is permanent, or vehicle surcharge is significant. WCCP cantilevers go to 6 m (19ft8in), surcharge to 50 kN/m² (HA traffic), engineered to BS EN 1992-1-1 with a 50-year design life as standard.
Free-standing precast cantilever retaining walls, heights 1.5m to 6.0m (4ft11in to 19ft8in), surcharge ratings up to 50 kN/m² (incl. HA traffic LM1). Cast to BS EN 1992-1-1 (Eurocode 2) and BS EN 1997 (Eurocode 7) with a 50-year minimum design life, 120-year option on civils-grade specs. No tie-back required; engineered heel handles the moment. Lead time 4-6 weeks.
- · Heights 1.5–6.0m (4ft11in–19ft8in)
- · Up to 50 kN/m²
- · Eurocode 2 + 7
- · 50-year life
- · LM1 traffic load
- · 4–6 week lead
Specification
Heights, stem thickness and footings.
Catalogue dimensions for typical loadings. Site-specific design always to BS EN 1992-1-1 and BS EN 1997.
| Height | Stem | Toe | Heel | Weight | Surcharge |
|---|---|---|---|---|---|
| 1.5m (4ft11in) | 180mm (7in) | 0.9m (2ft11in) | 0.6m (2ft) | 1,650 kg/m (3,638 lb/m) | 20 kN/m² |
| 2.5m (8ft2in) | 200mm (8in) | 1.2m (3ft11in) | 0.9m (2ft11in) | 2,750 kg/m (6,064 lb/m) | 25 kN/m² |
| 3.5m (11ft6in) | 220mm (9in) | 1.5m (4ft11in) | 1.2m (3ft11in) | 4,200 kg/m (9,261 lb/m) | 30 kN/m² |
| 4.5m (14ft9in) | 250mm (10in) | 1.8m (5ft11in) | 1.5m (4ft11in) | 6,150 kg/m (13,561 lb/m) | 40 kN/m² |
| 5.5m (18ft1in) | 280mm (11in) | 2.2m (7ft3in) | 1.8m (5ft11in) | 8,800 kg/m (19,404 lb/m) | 45 kN/m² |
| 6.0m (19ft8in) | 300mm (1ft) | 2.4m (7ft10in) | 2.0m (6ft7in) | 10,400 kg/m (22,932 lb/m) | 50 kN/m² |
Where they go
Common applications.
From a 1.5m (4ft11in) level change at a forecourt to a 6m (19ft8in) highway retention scheme — engineered for the long term.
- ·Highway and rail civils retention up to 6m
- ·Free-standing boundary and basement walls
- ·Industrial yard level-change retention
- ·Reservoir and flood-defence walls
- ·Petrol-station forecourt level changes
- ·Commercial development boundary retention
- ·Reinforced earth wall facing on embankments
Standards & certification
Engineered to current code.
- BS EN 1992-1-1 (Eurocode 2)
- Concrete structural design — stem, heel and toe calculations.
- BS EN 1997 (Eurocode 7)
- Geotechnical design — bearing, sliding and overturning checks.
- BS EN 14992
- Precast wall elements — manufactured to harmonised standard.
- BS EN 13369
- Common rules for precast — factory production control.
- BS 8500-1:2023
- Concrete spec — designated mixes for the exposure class.
Configure your cantilever wall
Send section, height and surcharge — we will quote inside 24 hours.
Related products
Often ordered alongside.
Common questions
What people ask about cantilever walls.
Five questions we answer most weeks. If yours is not here, ring the yard.
How is a cantilever wall different from an L-block? +
A cantilever wall has a continuous engineered heel — it is designed as a single structure with cast-in-situ joints. L-blocks are individual units sitting on hardcore. Cantilever takes a heavier engineered loading and a longer design life; L-blocks are quicker, cheaper and re-locatable.
Do you cast in situ or precast? +
Both options. We will precast the stem and ship to site with a cast-in-situ heel for fast install on heavy schemes. For smaller jobs, full precast units with a bolted heel are quicker still. Talk to the design team about which suits your programme.
Engineered to what code? +
Every cantilever wall we deliver is calculated to BS EN 1992-1-1 (Eurocode 2) and BS EN 1997 (Eurocode 7) for the geotechnical bearing and sliding checks. 50-year design life as standard, 120-year available on civils-grade specs.
What surcharge can I run? +
Up to 50 kN/m² at 6m (19ft8in) height — that covers HA traffic loading (LM1) plus a margin. Higher surcharges or seismic detailing on bespoke designs.
Lead time? +
4 to 6 weeks for the standard cantilever range. Bespoke heel details, exposed-aggregate facing or curved alignments run 6 to 10 weeks. Send the section drawing first — we can usually shave a fortnight off if you order early.
How would you like it?
Supply-only or fitted — Cantilever Walls
Supply only
Per-unit / per-metre supply
Lead time: 3–4 weeks
- Precast cantilever stem with engineered heel
- Designer-stamped BS EN 1992-1-1 / 1997 calcs
- Conformity documentation available on request
- Delivery on our HIAB to your site
- Cast-in-situ heel concrete and reinforcement
- On-site crane and setting labour
- Backfill, drainage and reinstatement
Fitted (supply + install)
Supply + install crew
Lead time: 6–8 weeks (incl. site slot)
- Everything in supply only
- Four-man install crew with 50-tonne (about 110,000 lb) crane
- Heel grouting and joint detailing
- Excavation, formwork and reinforcement supply
- Backfill, drainage and traffic management
. Higher walls, 120-year design life and rail / highway schemes priced individually — send the section.
BIM-ready packs
Cantilever walls — engineer pack.
Direct downloads where available, with the rest sent direct from engineering on request. All packs versioned to BS EN 14992 / BS 5502-22 where applicable.
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AutoCAD .dwg
RequestPlan, section and elevation — 2D drawings.
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Revit .rfa
RequestParametric Revit family for BIM.
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IFC4 .ifc
RequestOpen BIM exchange format.
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PDF spec sheet .pdf
RequestSpecs, loadings, certification refs.
Need something else, or a stamped drawing? Email engineering@wccp.co.uk — typical reply within 24 working hours.
Ready to spec it?
Send the section, height and surcharge. Quote and lead-time same day.