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Xtend premium insulated garden offices (installation optional) Sizes: 2.5m - 4m

Price from £8,479 (inc. VAT)

A stunning pre-insulated garden office with 97mm thick insulated walls. Range of sizes from 2.5m - 4m footprints. 15 Year Guarantee

The Forest Garden Xtend insulated offices are the perfect buildings for extra living space or to use a garden office. Featuring 97mm thick insulated foam walls and double glazed doors and windows ensures a comfortable and cosy garden room. Finished off with contemporary grey window and door frames, double clasp locks and a 15 year guarantee makes this range of garden rooms the perfect fit for any modern home. We also offer installation as an optional extra, depending on your preferece. Simply Log Cabins - UK's largest non manufacturer importer of log cabins - view our ranges today!


Spec based on Xtend 4.0m (Installed):

  • Pre-cut, ready for assembly, modular Structural Insulated Panels (SIPs)

  • Pre-cut interior MDF panels

  • Pre-cut external timber cladding panels

  • 97mm thick insulated walls (75mm of polystyrene insulation sandwiched by two sheets of oriented strand board)

  • Vertical Tongue and Groove Cladding - External (15mm) and Internal (9mm)

  • Total wall thickness is 177mm

  • 28mm thick Wall battens

  • 45mm thick Roof battens

  • 122mm Roof: 11mm OSB + 100mm insulation + 11mm OSB

  • External roof covering: 1.2mm thick EPDM black rubber

  • 50 years roof life expectancy

  • Floor Material: SIPs Panels (108mm)

  • Energy Efficient – EPC 78 (category C) with Potential to increase to Energy Rating of B

  • Window material: uPVC 5 chamber

  • Door material: uPVC  reinforced 5 chamber

  • Double Glazing

  • 1 x Fully Glazed Single Door

  • 2 x Full Length, Fixed Window

  • 1 x Full Length, ¼ Opening Side Window

  • Door locking: 7 point multi-lock with Ultion three star security barrel

  • Window Frame: Anthracite grey externally with grained finish Smooth white internally

  • Window locking: Two double clasp

  • Anthracite grey fascia included

  • Comes Untreated (Primer Applied)

  • Area: 106 ft²


All our buildings are delivered in flat packed packages which are delivered on an artic lorry. If there are any special requirements or access difficulties we can find the best solution for you.


Installation is an option on the Xtend garden office range, if you want to know more please contact us

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Finance available. Buy now, pay monthly. Provided by iDeal4Finance.

'Rooms2U Ltd' is an introducer appointed representative of Ideal Sales Solutions Ltd T/A Ideal4Finance. Ideal Sales Solutions is a credit broker and not a lender (FRN 703401). Finance available subject to status. The rate offered is always provisional and will depend upon your personal circumstances, the loan amount and term.

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