• Called to the Bar, Inner Temple, 1946

• Queen's Counsel, 1969

• Commander of the British Empire, 1977

• Bencher, 1977

• Recorder of the Crown Court, 1977-1980

• Dr. Juris., Warsaw, 1994

• Circuit Judge, 1980-1992

• Member of Council on Law Reporting, 1984-1994

• Member Warsaw Arbitration Court, Sfia Arbitration Court

• Commander, Starred Cross of Merit (Poland), 1999 (Order of Merit, 1993)

• Gold Medal of Merit, Polish Bar Council, 1999

Activities in Government: 

Adviser to the Secretary of State for Environment and the Secretary of State for Wales on Development Control, 1973-1975; 

Member of the Docklands Joint Committee, 1974-1976; 

Inspector, Inquiry into M25, 1978-1979; 

Chairman of the Panel, Avon Structure Plan, 1992-1993.

Adviser to the Lord Chancellor on International Legal Relations; published a Report on International Legal Relations, 2000 (The Report is now being implemented by the Department).

International Organisations:

Legal Secretary, International Commission of Jurists, 1955-1957. 

One of the Founders and Member of Council of 'Justice', 1956-1968.

Founder British-Polish Legal Association, 1989.

Founder of the British Centre for English and European Legal Studies (www.law.cam.ac.uk/britcen/history.htm), Warsaw University, President 1991- 1995, Patron 1995- (the Centre now runs a two year course in cooperation with Cambridge University in Warsaw, and courses in many other countries).

Founder and former Chairman of the Trustees, Lord Slynn of Hadley European Law Foundation (www.slynn-foundation.org), 1997. 

Founder and member of the Executive Committee, Roy Jenkins Memorial Foundation (Oxford University), 2004.

Conferences:

Organised and/or spoke at many conferences:

• Congress on Criminal Law (Vienna 1957)

• World Congress on the Rule of Law (Deputy Secretary General Administrative Law Committee, Chaired by Lord Denning) New Delhi, 1960

• Congress on the Rule of Law (Lagos 1962)

• American Bar Association (Property Section) Atlanta, USA 1977

Recent years: 

• Commercial Law Congress, Warsaw 1990

• A number of seminars on English and European Law in Warsaw and Wroclaw in Poland

• European Law Days in London (with the Bar Council and the Law Society) and in Poland; British Law Week in Warsaw 1995

• IBA Conferences in Amsterdam and Vienna (2001)

• Balkan Forum in Sofia (2001-2004)

Publications: 

Woodfall's Law of Landlord and Tenant, 25th edition (one of the Editors), 1952

Blundell and Dobry, Town and Country Planning, 1962

Blundell and Dobry, Planning Appeals and Inquiries, 1962, 5th edition, as Planning, 1996

Review of the Development Control System (Interim Report), 1972 (Final Report), 1975

(edited jointly) Development Gains Tax, 1975

Hill and Redman, Landlord and Tenant (Consultant Editor), 16th edition, 1976

(General Editor) Encyclopaedia of Development Law, 1976

Report on International Legal Relations for the Lord Chancellor