DTMO · DoD OCONUS Per Diem

Portsmouth, United Kingdom OCONUS Per Diem Rates (DTMO)

Effective date: June 1, 2013 Last updated: October 1, 2025
Lodging (per night)
$157
Local meals
$75
Incidentals
$19
Maximum per diem
$251
Lodging + meals + incidentals

Historical rate trend

Portsmouth rate history — Max per diem ($/day). Query any past effective date directly via the API.

Effective date Lodging M&IE Max per diem
Sep 1, 2013 $157 $94 $251
Jun 1, 2013 $157 $94 $251
Apr 1, 2013 $151 $90 $241
Jan 1, 2013 $160 $95 $255
Nov 1, 2012 $163 $97 $260
Oct 1, 2012 $157 $94 $251
Oct 1, 2011 $160 $95 $255

How this rate is used

This DTMO per diem rate is the Department of Defense ceiling for lodging, meals and incidental expenses for DoD travelers (military and civilian) on TDY in Portsmouth, united-kingdom. It governs OCONUS travel voucher reimbursement and is used by defense and overseas programs for cost estimating. The proportional meal rate ($44) applies when some meals are provided in kind.

Get this data from the API

The exact request that returns this page's data. Change the date parameter to query any historical effective date, or pull it straight into your ERP, payroll, or expense system.

curl -H "X-API-Key: YOUR_KEY" \
  "https://api.allowancesapi.com/v1/dtmo/perdiem/oconus/GB-GB?city=Portsmouth"
Sample response
{
  "effective_date": "2013-06-01",
  "results": [
    {
      "iso_code": "GB-GB",
      "local_incidental": 19,
      "local_meal_rate": 75,
      "location": "Portsmouth",
      "lodging": 157,
      "maximum_perdiem": 251,
      "proportional_meal_rate": 44
    }
  ],
  "verification_url": "https://www.travel.dod.mil/Travel-Transportation-Rates/Per-Diem/"
}

Portsmouth rate FAQ

What is the OCONUS per diem rate for Portsmouth, United Kingdom?

The current maximum DTMO OCONUS per diem for Portsmouth, United Kingdom is $251 per day — $157 for lodging, $75 for local meals and $19 for incidentals.

What is the proportional meal rate for Portsmouth?

The proportional meal rate for Portsmouth is $44 per day, used when some meals are furnished.

When did the Portsmouth per diem rate last change?

The rate shown reflects the latest DTMO publication. The historical table above lists prior maximum per diem values back to Oct 1, 2011.

Source & methodology

Effective period
Effective Jun 1, 2013 (published Sep 2013)
Last updated
September 1, 2013

Allowances API is not affiliated with, endorsed by, or sponsored by any U.S. Government agency. All rate data is sourced from official public rate tables and re-published in a normalized format.