A possible match in the April to June 1917 birth index Peter K. [not Egerton] Hammond, mother’s maiden name Tomlinson, Hartley Whitney, Hampshire, volume 2c, page 347.

1939 England and Wales Register
15 Milman Road, Reading, Berkshire
1. Jarvis M. Hammond, born January 6 1877, married, Brewer’s clerk
2. Gladys L. Hammond. born April 11, 1881, married, unpaid domestic duties
3. Mark W. Hammond, born October 4 1913, single, surveyor’s assistant
4. Peter E. Hammond, born April 10 1917, single, R. E. [Royal Engineers?] Signals?, A. A. D…..
5. Peggy M. Hammond, born May 10 1921, single, secretary to Chartered Accountant, Air Raid Precautions first aid H. G. Sim…..

Berkshire Electoral Registers 1965
20 Armour Hill, Tilehurst
Joan Gwendoline Hammond
Peter Egerton Hammons

In the August 1986 death index Peter Egerton Hammond, born April 10, 1917, died age 69, Reading and Wokingham district, Berkshire, volume 19, page 422.

National Probate Calendar
Peter Egerton Hammond of 20 Armour Hill Tilehurst Reading died 26 August 1986 Probate Oxford 11 december 1986 Effects 122 923 pounds