Edinburgh House Estates has achieved two pre-lets at its planned extension to the Waterborne Walk shopping centre at Leighton Buzzard, Bedfordshire.

Work have already started on site, and Argos has agreed a 15-year lease on a 10,000 sq ft (930 sq m) unit at£85,000 a year.

Meanwhile, Land Securities Trillium, on behalf of the Department for Work and Pensions, has agreed a 15-year lease on a 5,000 sq ft (465 sq m) unit at£50,000 a year.

The existing 70,000 sq ft (6,500 sq m) shopping centre is anchored by Waitrose.

Other retailers include New Look, Superdrug, Clinton Cards and Dorothy Perkins.

Churston Heard is letting agent for the scheme.