Pressure-treated timber · 15-year anti-rot protection
Free UK mainland delivery · Order by 2pm
Garden buildings.
Ready for tomorrow.
Pressure-treated timber · 15-year anti-rot protection
Free UK mainland delivery · Order by 2pmGarden buildings.
Ready for tomorrow.
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72 sq ft · free UK delivery
Explore 18x4 (4x18) garden buildings — a 72 sq ft footprint. Available configurations show their current prices, which are checked again at checkout.
Compare available configurations
From £1,743.47
Compare available configurations
From £1,341.53
Available to order online — tap through for photos, details and the current price.
Internal height 1757mm eaves · 2021–2417mm (by width) ridge
£2,348.99£2,700
Order by 2pm, delivered tomorrow
Internal height 1757mm eaves · 2021–2417mm (by width) ridge
£1,904.42£2,189
Order by 2pm, delivered tomorrow
Internal height 1757mm eaves · 2021–2417mm (by width) ridge
£1,743.47£2,004
Order by 2pm, delivered tomorrow
Internal height 1887mm front · 1757mm rear
£1,393.73£1,602
Order by 2pm, delivered tomorrow
Internal height 1887mm front · 1757mm rear
£1,393.73£1,602
Order by 2pm, delivered tomorrow
Internal height 1887mm front · 1757mm rear
£1,341.53£1,542
Order by 2pm, delivered tomorrow
Internal height 1887mm front · 1757mm rear
£1,341.53£1,542
Order by 2pm, delivered tomorrow
Internal height 1887mm front · 1757mm rear
£2,348.99£2,700
Order by 2pm, delivered tomorrow
Internal height 1887mm front · 1757mm rear
£1,904.42£2,189
Order by 2pm, delivered tomorrow
Internal height 1887mm front · 1757mm rear
£1,743.47£2,004
Order by 2pm, delivered tomorrow
Internal height 1887mm front · 1757mm rear
£1,341.53£1,542
Order by 2pm, delivered tomorrow
Internal height 1757mm eaves · 2021mm ridge
£1,341.53£1,542
Order by 2pm, delivered tomorrow
Ask us about availability for your chosen 18x4 building. Eligible in-stock orders placed by 2pm qualify for free next-working-day UK mainland delivery.
Plan a firm, level base slightly larger than 18ft x 4ft. Check the exact building instructions and base requirements before you order.
Yes — free next-day delivery to the UK mainland on in-stock flat-pack buildings. We don't deliver to the Scottish Highlands and Islands, the Isle of Wight, the Isles of Scilly or Northern Ireland.
Each size comes in set door and window configurations — single or double doors, with or without windows. Pick the one that suits where it sits.