SPECIAL OFFER – FREE external and internal painting plus FREE laminate flooring on all our PRESTIGE range

Granny Annexes garden building


  • Insulated Roof and Walls - insulated on site with 50mm rock wool insulation
  • Outside walls clad with 12mm shiplap
  • Insulated floor using 50mm Celotex
  • Strong ex. 3"x 2" CLS framework (64mmx38mm finished size after machining)
  • Internal vertical clad with 9mm V groove moisture resistant MDF panels spray painted as standard.
  • NOVIA breather membrane on the outside walls and internal walls have a NOVIA VC200 vapour control layer.
  • 16mm tongue & groove matchboard floor boards (finished size after machining)
  • Strong ex 3"x 2" floor joists (68mmx38mm finished size after machining)
  • A choice of 7 laminate wood floorings
  • High Specification Joinery - Mortise and tenon doors and windows which feature draught proofed sealed units - double-glazed
  • 4' joinery made double hinged doors 4' wide x 6'6" high (1524mmx1970mm)
  • Chrome fixings
  • 3 lever lock
  • The buildings are factory spray painted to a colour of your choice, from our range we only use the highest quality paint for the best results and finish to the building. Joinery will be painted inside and out. Although we use primer we cannot guarantee "knots" will not surface through the paint as this is a natural phenomenon and is due to resins in the timber.
  • 48kg polyester felt for the roof (optional extra upgrade to rubber roof)
  • Electric - If you require electricity in your building we recommend an electrician (of your choice) is on site the day of fitting to put the first fix in, to return when the building is completed to do the final fix. Alternatively, we have our own team of electricians. A price can be given according to requirements.
  • Access - we require at least 8' (2.43m) clearance for the sections to be delivered to your site.
  • We require a flat and level base to fit your building. Alternatively, we can supply a timber base a price can be given according to requirements.

Prestige Garden Rooms offers a range of garden buildings to suit all needs including Summer Houses, Garden Sheds, Potting Sheds, our Prestige Collection of garden offices, bespoke buildings and luxury garden buildings. We install our Garden Buildings throughout the UK including Wilmslow, Alderley Edge, Cheshire, Hemel Hempstead, Hertfordshire, Hampshire, Buckinghamshire, Banbury, Oxfordshire, Colchester, Essex, Bath, Avon, Sutton Coldfield, Solihull, Staffs and Worcestershire.