Listed-building friendly
Secondary systems are often the cleanest route through planning on sensitive properties. We survey for reveal depth, ironmongery clearance and condensation risk before specifying.
Secondary glazing
When original frames must stay untouched, secondary glazing adds a quiet, insulating layer without rewriting the listed fabric. Discreet, removable, and built to the opening.
Secondary systems are often the cleanest route through planning on sensitive properties. We survey for reveal depth, ironmongery clearance and condensation risk before specifying.
Get in touch
For general questions or supplier enquiries, send us a note and we will reply. To book a free survey, use .
Usually within one working day to arrange a convenient survey visit.
We assess your windows or doors and discuss repair, replacement or upgrade options.
Honest advice and a detailed quote, with no pressure to decide.