- 3.5m sq ft of development is scheduled to have been completed so far this year. 2.1m sq ft of this space remains available.
- There is currently a further 4.9m sq ft under construction of which 4.3m sq ft is available.
- 2.6m sq ft is scheduled for completion in the next 12-months and 2.5m sq ft of this remains available.

- The top headline rent achieved in this cycle was £69.50 per sq ft.
- Achievable rents for Grade A space have decreased to £57.50 per sq ft in Q3 08 from £60 per sq ft in Q2. The incentives available to occupiers continue to increase.
- In the year to September 08 headline rental values have declined by -11.5% from £65 in Q3 07.

- Potential, total supply, including development sites and schemes where practical completion is estimated to be more than 12 months ahead, is 19.2m sq ft.
- 41% of total potential supply is available for immediate occupation; the remaining 59% represents development sites or space under construction which will not be completed for at least another 12 months.
- 39% of immediately available space represents Grade A space currently under construction.

- 15% of available space represents offices of 10,000 sq ft or less.
- 48% of available space represents offices of 50,000 sq ft or less.
- 33% of available space represents offices of 100,000 sq ft or more.

- Q2’s transaction activity has risen from £779m - £1b.
- The first estimate of transaction activity in Q3 indicates that City office investment decreased to £378m. But these figures are likely to rise. Twelve months earlier in Q3 07 investment amounted to £2.2b.
- The yield on prime City offices increased to 6.0% in Q3 from 5.75% in Q2. Twelve months earlier in September 07 the yield was 5.00%.