Updated 27 September 2026
Retaining wall cost UK 2026
The going rate for retaining wall in 2026 is £300–£700/m (total, ex VAT). Below: a calculator, what the job involves, materials at three price levels, and the prep that changes the price.
Market band£300–£700/m
Worked example, 8 m£3,485
Time on site3.5 days
Retaining wall calculator
Price a real job freeUses your rates, your speed and your receipts.
Market band source: BookaBuilderUK.
What the job involves
| Stage | Task | Typical time |
|---|---|---|
| ground | Set out, lines and profiles | 2 h |
| ground | Excavate, reinforced footing | 3 h per m |
| build | Reinforced block core and facing | 4 h per m |
| build | Weep holes, drainage and backfill | 1.5 h per m |
| build | Brush down, clear site | 1 h |
Materials at three price levels
| Material | Budget | Trade | Premium |
|---|---|---|---|
| Retaining wall materials (per m) per m | £120 Hollow blocks, rebar, concrete, drainage — BookaBuilder: £300–£700 a metre | £155 Reinforced block + facing brick + drainage — Faced to match | £220 Reinforced block + stone facing — Natural finish |
Trade prices ex VAT, estimates checked 2026-09-27. Log your receipts in Grafto and your own prices replace these.
What changes the price
- Soil held back? up to 0.6m · 0.6–1.2m (engineer) big effect
Prep to look for
| Condition | Check | Effect |
|---|---|---|
| Tree roots near the footing | trees or large shrubs within a few metres of the wall line | Roots: bridge or deepen the footing; do not cut large roots without advice |
| Pipes or cables in the way | Cable/pipe detector over the dig line: anything? | Scan before digging or drilling; hand-dig near services |
| Soft or made ground | Dig a test hole: soft, wet or full of rubble? | Deeper footing £150–£600. Footing dug to firm undisturbed ground |
Questions
How much does retaining wall cost in the UK in 2026?
The researched market band is £300–£700/m (total, ex VAT), from BookaBuilderUK. A worked example of 8 m comes to about £3,088–£4,222 across budget, trade and premium materials.
How long does retaining wall take?
The worked example of 8 m takes about 3.5 working days.
What changes the price of retaining wall?
Mainly soil held back, plus any prep found on site: tree roots near the footing, pipes or cables in the way, soft or made ground.