Not sure if your organisation is a member? Below is a list of local authorities which are members of the TCPA or of the New Communities Group as of June 2020:

TCPA Local Authority Members

Arun District Council
Aylesbury Vale District Council
Basildon Borough Council
Canterbury City Council
Central Bedfordshire Council
Charnwood Borough Council
City of London Corporation
Epsom and Ewell Borough Council
Folkestone & Hythe District Council
Forest of Dean District Council
Guildford Borough Council
Halton Borough Council
Harlow District Council
Hertfordshire County Council
Hull City Council
Kent County Council
Lincolnshire County Council
London Borough of Brent
Luton Council
Milton Keynes Council
Northern Ireland Housing Executive
Nottingham City Council
Planning Advisory Service (PAS)
Royal Borough of Windsor & Maidenhead
Sandwell Metropolitan Borough Council
South Gloucestershire Council
States of Jersey
Stevenage Borough Council
Swale Borough Council
Telford & Wrekin Council
Tendring District Council
Test Valley Borough Council
The Planning Inspectorate
Three Rivers District Council
Watford Borough Council
Welwyn Hatfield Borough Council
West Lindsey District Council

New Communities Group members (also TCPA Members)

Ashford Borough Council
Aylesbury Garden Town
Bath and North East Somerset Council
Blaby District Council
Bournville Village Trust
Brentwood Borough Council
Carlisle City Council
Chelmsford Borough Council
Cherwell District Council
Cornwall Council
Dacorum Borough Council
Dorset Council
East Hampshire District Council
East Hertfordshire District Council
Ebbsfleet Development Corporation
Fareham Borough Council
Greater Cambridge Planning
North Essex Garden Communities
North Northamptonshire Joint Planning Unit
Portsmouth City Council
Runnymede Borough Council
Rutland County Council
South Kesteven District Council
Stafford Borough Council
Uttlesford District Council
Waverley Borough Council
Wokingham Borough Council