Ideas Factory/ the foundry
← the floorCharcoal Planter Build Plan/cost·if / 076
Materials and cost
A £366.40, B £373.80, C £353.20, with VAT, before delivery and compost.
The middle panel of each side becomes 11 vertical slats with dark gaps. The slats sit 6mm proud of the shiplap. This option has the most texture. £374 in materials.
The card
cost 01 of 01Materials and cost
The notes
renderedEverything to buy for the design you have chosen, with the number of stock lengths the cut list packs into.
Option A · Windows
| Item | Supplier | Qty | Each | Cost |
|---|---|---|---|---|
| Treated sawn timber 47 x 47mm, 2.4m | Wickes | 9 | £7.80 | £70.20 |
| Treated rebated shiplap 14.5 x 119mm, 2.4m (110mm cover) | Wickes | 14 | £10.20, or 4 for £37.50 | £132.90 |
| Treated sawn timber 22 x 100mm, 2.4m | Wickes | 3 | £8.30 | £24.90 |
| Siberian larch, planed 28 x 95mm, 3.0m | Timber U Love (inc VAT) | 2 | £21.07 | £42.14 |
| M10 A4 stainless threaded rod, 1m | Direct Channel (inc VAT) | 1 | £4.20 | £4.20 |
| M10 A4 stainless nut, bolt and penny washer set (25) | Direct Channel · Use 4 nuts and 4 washers | 1 | £10.16 | £10.16 |
| Damp proof membrane 1200 gauge, 4 x 3m | Screwfix · Wall liner | 1 | £15.29 | £15.29 |
| Weed control fabric 50gsm, 1 x 10m | Wickes · Floor only, lets water through | 1 | £8.00 | £8.00 |
| Cuprinol Garden Shades Black Ash, 2.5L | Wickes · Often on offer at £20 | 1 | £26.00 | £26.00 |
| A2 stainless screws 4 x 40mm (200) | Tudors / any merchant · Cladding and cap | 1 | £14.15 | £14.15 |
| A2 stainless screws 4 x 60mm (100) | RS Components · Larch cap into top rails | 1 | £11.21 | £11.21 |
| Exterior screws 4 x 65mm (200) | Wickes · Frame | 1 | £7.25 | £7.25 |
| Total, option A | £366.40 |
For comparison: option B £374, option C £353.
Option B · Slatted centre
| Item | Supplier | Qty | Each | Cost |
|---|---|---|---|---|
| Treated sawn timber 47 x 47mm, 2.4m | Wickes | 7 | £7.80 | £54.60 |
| Treated rebated shiplap 14.5 x 119mm, 2.4m (110mm cover) | Wickes | 13 | £10.20, or 4 for £37.50 | £122.70 |
| Exterior screening batten 20.5 x 44mm, 2.4m | Wickes | 8 | £4.15 | £33.20 |
| Treated sawn timber 22 x 100mm, 2.4m | Wickes | 3 | £8.30 | £24.90 |
| Siberian larch, planed 28 x 95mm, 3.0m | Timber U Love (inc VAT) | 2 | £21.07 | £42.14 |
| M10 A4 stainless threaded rod, 1m | Direct Channel (inc VAT) | 1 | £4.20 | £4.20 |
| M10 A4 stainless nut, bolt and penny washer set (25) | Direct Channel · Use 4 nuts and 4 washers | 1 | £10.16 | £10.16 |
| Damp proof membrane 1200 gauge, 4 x 3m | Screwfix · Wall liner | 1 | £15.29 | £15.29 |
| Weed control fabric 50gsm, 1 x 10m | Wickes · Floor only, lets water through | 1 | £8.00 | £8.00 |
| Cuprinol Garden Shades Black Ash, 2.5L | Wickes · Often on offer at £20 | 1 | £26.00 | £26.00 |
| A2 stainless screws 4 x 40mm (200) | Tudors / any merchant · Cladding and cap | 1 | £14.15 | £14.15 |
| A2 stainless screws 4 x 60mm (100) | RS Components · Larch cap into top rails | 1 | £11.21 | £11.21 |
| Exterior screws 4 x 65mm (200) | Wickes · Frame | 1 | £7.25 | £7.25 |
| Total, option B | £373.80 |
For comparison: option A £366, option C £353.
Option C · Shadow line
| Item | Supplier | Qty | Each | Cost |
|---|---|---|---|---|
| Treated sawn timber 47 x 47mm, 2.4m | Wickes | 6 | £7.80 | £46.80 |
| Treated rebated shiplap 14.5 x 119mm, 2.4m (110mm cover) | Wickes | 15 | £10.20, or 4 for £37.50 | £143.10 |
| Treated sawn timber 22 x 100mm, 2.4m | Wickes | 3 | £8.30 | £24.90 |
| Siberian larch, planed 28 x 95mm, 3.0m | Timber U Love (inc VAT) | 2 | £21.07 | £42.14 |
| M10 A4 stainless threaded rod, 1m | Direct Channel (inc VAT) | 1 | £4.20 | £4.20 |
| M10 A4 stainless nut, bolt and penny washer set (25) | Direct Channel · Use 4 nuts and 4 washers | 1 | £10.16 | £10.16 |
| Damp proof membrane 1200 gauge, 4 x 3m | Screwfix · Wall liner | 1 | £15.29 | £15.29 |
| Weed control fabric 50gsm, 1 x 10m | Wickes · Floor only, lets water through | 1 | £8.00 | £8.00 |
| Cuprinol Garden Shades Black Ash, 2.5L | Wickes · Often on offer at £20 | 1 | £26.00 | £26.00 |
| A2 stainless screws 4 x 40mm (200) | Tudors / any merchant · Cladding and cap | 1 | £14.15 | £14.15 |
| A2 stainless screws 4 x 60mm (100) | RS Components · Larch cap into top rails | 1 | £11.21 | £11.21 |
| Exterior screws 4 x 65mm (200) | Wickes · Frame | 1 | £7.25 | £7.25 |
| Total, option C | £353.20 |
For comparison: option A £366, option B £374.
The paint is often on offer at £20, and Wickes sometimes sells the shiplap at £7.65, which would save about £35.
Prices were checked online on 7 Nov 2026 and include VAT. Delivery isn't included. The larch, rod and fixings come from online suppliers, so expect to pay delivery on those, or ask a local timber merchant. Compost isn't included either: you need about 275 litres, which is six 50L bags.