UK aid agencies are poised to send staff and equipment into Iraq this week when new security measures in the main cities are expected to take effect.
Christian Aid and Cafod hope to send assessment teams into southern Iraq from Kuwait on Wednesday.
Oxfam plans to send a planeload of emergency water equipment and vehicles to Kuwait, which will be taken over the border as soon as possible.
Care International is set to send an extra mobile repair shop into Iraq from the Jordanian border, following disruption to water supplies in many towns and cities. The Rasafa area of Baghdad is currently without water.
The main cause for delay in deliveries is looting and disorder. Early deliveries of aid to southern Iraq were being looted last week.
Unicef sent a convoy of relief supplies over the Turkish border to northern Iraq at the weekend, and a plane load of supplies from Kuwait was airlifted to Baghdad.