Pent Haus Ready-to-Go Insulated Garden Room 4.2m x 3.2m (13ft9 x 10ft6) – Cedar

Ready-to-Go launch offer: £1,000 off. This saving applies to our seven Pent Haus Ready-to-Go models only (already shown in the price above). It does not apply to custom designs built with the Pent Haus configurator.

A ready-designed, fully insulated 4.2m x 3.2m garden room in Cedar ToughWood cladding, built with Pent Haus's Signature SIPs™ structural insulated panels. It is a year-round space for a home office, gym, garden bar or extra living room. The layout is already drawn up, so it's simply ordered, manufactured and delivered in around 3 weeks, and can be built in 1–3 days.

Key features

• Fully insulated Signature SIPs™ walls, floor and roof for comfortable use all year round
• Cedar ToughWood® engineered cladding – low maintenance, simply wash down when needed
• 1.8m French doors on the front
• Residential-grade anthracite grey uPVC double-glazed doors and windows
• Built-in wiring channels, so your electrician can come after the build rather than during it
• Base levelling kit included to keep the room level on your existing base
• Door and window positions can be altered if needed

Specification

• External size: 4.2m x 3.2m (13ft9 x 10ft6)
• Pent Haus design code: SP7.5-F7H-L5A-R5A.CR
• Construction: Signature SIPs™ structural insulated panels (walls, floor and roof)
• Cladding: ToughWood® in Cedar
• Doors & windows: double-glazed uPVC, anthracite grey
• Roof: EPDM rubber roof with guttering and downpipe
• Kit includes: floor, wall and roof panels, cladding, doors and windows, roof and guttering pack, base levelling kit, all screws, foam and adhesives, toolbox, step-by-step instructions and online tutorial videos
• Warranty: 10-year manufacturer's structural warranty on the panels (roofing and electrics not included); 10-year warranty on the ToughWood® cladding
• Planning: most designs fall under permitted development – please check with your local authority

Optional extras

Add any of these using the Foundation Pack, Electric Pack and Internal Pack options above. The price updates as you choose, and the extras are paid for together with your garden room at checkout.

Foundation Pack
Heavy-duty composite posts that are concreted into the ground, with a stainless steel frame bolted on top. It lifts the room off the ground and leaves a breathable space underneath, removing the risk of rising damp and condensation. Between 9 and 30 posts, depending on the size of the room.

Electric Pack
4 double sockets, spotlights (the number depends on the room size), a light switch, a 50m roll of socket wire and a 50m roll of lighting wire. The cables run through the channels already built into the panels. Connection to the mains must be done by a qualified electrician.

Internal Pack
A wood-panelled finish for the inside of your garden room, which can be left white or painted the colour of your choice.

Good to know

• Base: build on the optional Foundation Pack or on your own level concrete base
• Access: every wall panel is 600mm wide, the longest panel is 5m and the French doors are 1.8m x 2m, so the kit can be carried through the house if there is no side access
• Build: you will need at least 2 people; the Signature SIPs™ structure typically goes up in around 3 days
• Electrics: the panels have preformed cable channels and pre-cut socket holes. Use wiring that is compatible with EPS insulation, and have the mains connection done by a qualified electrician (Part P certificate)
• Kitchens and bathrooms are not part of the kit and would need arranging separately
• Made in the UK, with a life expectancy of 40–50 years

See one at our Display Site

There is a Pent Haus garden room standing at our Display Site at Buzzards Valley, Tamworth B78 3EQ, so you can step inside, see the ToughWood cladding and the anthracite glazing in daylight, and get a real feel for the quality. The buildings are open to walk round 7 days a week; we are not on site every day, so ring 01543 398778 first if you would like someone to show you round.

Delivery & installation

Supplied as a self-build kit, manufactured and delivered in around 3 weeks. Delivery is free across much of central England and Wales (other areas may carry a delivery charge – we'll confirm this when you order). The driver helps to offload, but 2 people are needed on site to receive the delivery. A dedicated Pent Haus support line is available while you build. Installation is not included, but can be arranged – just ask us.