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Design Your Extension

Configure your Superstrux™ System 7 extension and get an instant price. Adjust dimensions, add-ons, and finishes to match your project.

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Step 1
Enter extension dimensions
M
M
Step 2
Choose roof type
Flat-roof
Lean-to
Hip-roof
Step 3
Choose your Superstrux™ Shell
Flat-Pack Superstrux Shell

Flat-Pack Shell

Delivered to site ready for self-assembly or your own builder.

£0 £0 inc. VAT
  • Cut-to-size OSB boards
  • Waterproof membrane
  • Delivered to site
  • Installation guide included
Installed Superstrux Shell

Installed Shell

We deliver and install your shell — watertight within 24 hours.

£0 £0 inc. VAT
  • Everything in Flat-Pack
  • Professional installation
  • Watertight in 24 hours
  • North West only
ⓘ Installation only available in the North West
Step 4 (optional)
Rest of Job Guide Prices

A supplier list is available to you in your account. Here you will be able to source all desired materials and products enabling you to complete your home extension. Guide prices only.

View options
Tap here to view doors, windows, insulation, finishes & more
Choose number of doors
0
1
2
3
Choose number of windows
0
1
2
3
4
Choose number of roof lanterns
0
1
2
External & internal insulation
External 80mm Kingspan/Celotex + Internal 100mm Rockwool
Yes
No
Choose exterior wall finish
None
Render
Brick slips
Composite cladding
Choose interior wall finish
None
Plaster + paint
PVC panels
Choose ceiling finish
None
Plaster + paint
PVC panels
Choose roof covering
None
Armour Plan
Synthetic slate
Guttering, Downpipes & Fascia
Yes
No
Skirting Board
Yes
No
Electrics
QTY
QTY
QTY
Central fan
Yes
No
Fuse board
Yes
No
Electric certificate
Yes
No
Do you require installation for all additional items and products that you have selected?
Yes
No
Total: £0
£0 including VAT
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