The White House, Project Completion
17 September 2025
Eckersley O’Callaghan played a key role in the transformation of The White House, a private residence in Winchester.

The private residence features a striking single-storey extension housing an indoor swimming pool with full-height glazing, transforming the residence into a light-filled modern home.

Working alongside OB Architecture, our team provided structural design services from concept through to construction, ensuring the successful delivery of this highly bespoke refurbishment. The extension integrates seamlessly with the garden through corner sliding doors, while inside the main house, we supported structural alterations to create a modern open-plan layout as well as modifications to the existing roof structure to create feature vaulted areas.

A challenge lay in the client’s ambition to convert the existing hipped roof into a vaulted space. Our engineers modelled the roof structure in detail to assess its performance, designing cranked steel members and advising on a careful installation sequence to achieve the vaulted form without compromising structural integrity.

Project Team: Charlotte Phillips