Defence Infrastructure Organisation

Latest from Defence Infrastructure Organisation

  1. MOD sustainability and environmental appraisal tools handbook
  2. Castlemartin firing notice
  3. Otterburn firing times

See all latest documents

What Defence Infrastructure Organisation does

The Defence Infrastructure Organisation (DIO) is the estate expert for defence, supporting the armed forces to enable military capability by planning, building, maintaining, and servicing infrastructure.

DIO is part of the Ministry of Defence.

Read more about what we do


Policy papers and consultations

  1. RAF Halton
  2. Middlewick Ranges: supporting sustainable growth for Colchester
See all policy papers and consultations

Transparency and freedom of information releases

  1. Defence Infrastructure Organisation annual report 2019 to 2020
  2. Better defence estate strategy
See all transparency and freedom of information releases

Contact DIO

Office address

DIO Headquarters
Kingston Road
Sutton Coldfield
West Midlands
B75 7RL
United Kingdom

Housing enquiries: calling from UK

0800 707 6000

Housing allocation enquiries: calling from overseas

+44 151 728 1630

Security Service Group (SSG): SSG related enquiries only

01793 314007

Security Services Group: security furniture enquiries

0845 8388382

Make an FOI request

  1. Read about the Freedom of Information (FOI) Act and how to make a request.
  2. Check our previous releases to see if we’ve already answered your question.
  3. Make a new request by contacting us using the details below.

Freedom of Information Act and Environmental Information Regulation requests

MOD Information Rights Team
Ground floor, zone D
Main Building
United Kingdom

Not to be used for requesting your own information (Subject Access Request), service records including for deceased relatives, or pension enquiries.

Corporate information

Jobs and contracts

  1. Working for DIO
  2. Procurement at DIO
  3. Jobs