For period properties: timber casement or sash, thermally broken aluminium where the contemporary fits, never UPVC if the building has any heritage significance. For modern extensions: aluminium frames give slim sightlines and good thermal performance. For listed buildings: heritage-grade timber or Crittall-style steel where appropriate.

Across Devon we have a working knowledge of suppliers who offer good products at fair prices, including UK-manufactured options that avoid lengthy lead times. We’re happy to share recommendations as part of the spec.

A good window decision lasts decades; a poor one is awkward to undo.