A realistic build programme in seconds.

Single-storey rear extension

Typically 12–16 weeks

Double-storey extension

Typically 16–22 weeks

Loft conversion (dormer)

Typically 8–12 weeks

Wraparound extension

Typically 16–20 weeks

Full house refurbishment

Typically 14–20 weeks

New-build house (single plot)

Typically 28–38 weeks

Small residential development (2–6 plots)

Typically 40–60 weeks

Barn conversion

Typically 24–34 weeks

Commercial office fit-out (CAT B)

Typically 10–14 weeks

Retail unit fit-out

Typically 8–12 weeks

Industrial unit / portal-frame shell

Typically 20–28 weeks

Groundworks & external works package

Typically 8–14 weeks