history
| 1961 | Sole Trader practice established by Tom Saunders in Essex – small scale domestic and commercial projects |
| 1966 | First major city commission – relocation of Charterhouse Group to new Paternoster Development |
| 1968 | Architectural studio established |
| 1974 | Partnership established |
| 1980 | Introduction of Computer Aided Design – ttsp among the leading city practices |
| 1984 | Tom Saunders retires |
| 1988 | Practice employs approx 180 staff with turnover up to £9m Consolidation of 3 London city offices and a Bristol office into Goswell Road Significant recession in UK |
| 1990 | Establishment of ttsp+HWP+Seidel in Frankfurt. |
