PHPP energy model Archives - Clifford Design

Reducing heating bills without more insulation

Reducing heating bills without more insulation

Clifford Design Ltd have been advising Youtubers 'The Restoration Couple' with [...]

By Alex Clifford|2026-05-13T13:55:44+00:0020/01/2026|Building airtightness, Passive House, PHPP energy model, Self build|0 Comments

Retrofit of C17 Grade 2 listed half-timbered house

Retrofit of C17 Grade 2 listed half-timbered house

Clifford Design have been working with Architect Nicola Westbury to upgrade [...]

By Alex Clifford|2026-05-10T14:08:44+00:0011/04/2024|Historic Buildings, Natural insulation materials, PHPP energy model, Retrofit, Retrofit Assessment|0 Comments