The RIBA has revealed the shortlist for this year's Stirling Prize, with Amin Taha's 15 Clerkenwell Close a surprise addition to the list.
The six-strong shortlist includes a bridge in Cornwall, a mosque and a housing development in Cambridge, a university building in Kingston and a museum in the Lake District ? all projects that won RIBA National Awards this year.
These projects are joined by the 15 Clerkenwell Close housing development designed by Taha's studio Groupwork, which won a RIBA National Award in 2018.
The surprise addition to the shortlist occurred due to a long-running planning dispute about the 15 Clerkenwell Close project that threatened it with demolition. This meant that it was not considered for the Stirling Prize in the year it won a National Award. Above and top: 15 Clerkenwell Close has been shortlisted for the Stirling Prize three years after it won a RIBA Award. Photo is by Tim Soar
Described by the Stirling Prize jury as an "astonishing architectural triumph", 15 Clerkenwell Close was included after the planning issues were resolved in 2019. Last year the Stirling Prize wasn't awarded due to the coronavirus pandemic.
It is the second time that Groupwork has been on the list after its Barrett's Grove cross-laminated timber housing scheme was shortlisted in 2017.

Stanton Williams is the only shortlisted studio to have previously won the award after its Sainsbury Laboratory won the prize in 2012.
This year it was shortlisted for its Key Wo...