| 07 / cost changes for common items in 18 months |
| | | Spec | | |
| | | Jan 2008 (£) | Jun 2009 (£) | change (%) |
| Plasterboard partitions | 2.8m high, Gypwall Classic metal stud partition. Studs: 70mm studs at 600mm centres, | 117.50/m | 100/m | –15 |
| | 2 x 12.5 mm layers of Wallboard each side. Gyproc Drywall Primer | | | |
| Glazed partitions | Single glazed system using 12mm glass with silicone joints using channels | 345/m | 275/m | –20 |
| | at the head and back to back angles at the base | | | |
| Timber doorset | Half-hour fire resisting solid core hardwood lipped doorset, spray painted, | 1,650/nr | 1,275 | –23 |
| | structural opening 2734mm x 1075mm; including new ironmongery | | | |
| Metal ceiling | Supply and install new 600 x 600mm half metal tile ceiling system, | 36/m2 | 34m2 | –6 |
| | Including for all cutting, fitting, bridging, support work, edge trims, acoustic baffles | | | |
| Plasterboard ceiling | Plasterboard Ceilings, MF Suspended Ceiling System consisting of 1 layer of 12.5mm Gyproc | 28/m2 | 23.75/m2 | –15 |
| | plasterboard to one side, seamless jointing finished ready to receive decorations | | | |
| Raised access floor | RAF Pan 600 x 600 x 31mm Underfloor void height: 100mm | 34/m | 28/m | –18 |
| Carpet | Milliken Essentials range of carpet tiles | 22/m2 | 19.50/m2 | –11 |
| Ceramic tiles | 150 x 150 H&R Prismatics tiles selected from groups A or B, fixed to a prepared surface by | 42.50/m2 | 36/m2 | –15 |
| | suitable adhesive jointed in white grout | | | |
| Credenza units | Oak laminate credenza approx 2,100mm long, 600mm wide with corrian top and polished finish. | 4,250/item | 3,250/item | –24 |
| Blinds | Vertical roller. Material: screen fabric 3%. Finish/colour: grey-white S002. Operation: manual. | 128/m | 109/m | 15 |
| | About 2,800mm drop, 1,000mm wide | | | |
