
The Octagon
47-storey mixed-use tower on a compact central Birmingham site — 370 apartments above retail, redefining the city's residential skyline.

Tower with retail and dock remodelling.

Quantem advised on cost, programme and contract throughout delivery. Working alongside Frogmore / Galliard Homes, the team set the financial and risk position from RIBA 0 through final account.

“A residential project of this scale demands forensic cost discipline from the first conversation. Quantem held the line through the whole programme.”

47-storey mixed-use tower on a compact central Birmingham site — 370 apartments above retail, redefining the city's residential skyline.

Demolition and construction with retail at ground floor.

Two volumetric-MMC residential blocks (354 BtR / 223 DMR) within the wider 2,000-home Greenford Quay regeneration — one of London's largest single-developer BTR schemes.

From RIBA 0 viability to final account — our partners are ready to take the call.