The Royal Institute of British Architects (RIBA) has announced the longlist for the 2022 RIBA House of the Year.

Among the 20 projects in the running to win the UK’s most prestigious award for a new house or extension are:

A striking black timber-clad eco-home, inspired by the designs of revered Scottish architect Charles Rennie Mackintosh in rural Stirlingshire (Ostro Passivhaus)

A remodelled house that rises from the ruins of a 17th Century parchment factory and old cattle shed in Northampton (The Parchment Works)

A four-storey town house added to the end of a 1960’s terrace, in Waltham Forest, North East London (Leyton House)

A playful red-brick family home nestled in Derbyshire's suburbs (Derwent Valley Villa)
The 20 longlisted homes are:

Derwent Valley Villa (Derbyshire) by Blee Halligan

House at Lough Beg (Northern Ireland) by McGonigle McGrath

Leyton House (London) by McMahon Architecture Ltd

Mere House (Cambridgeshire) by Mole Architects

Mews House Deep Retrofit (London) by Prewett Bizley Architects

Mountain View (London) by CAN

Norfolk Barn (Norfolk) by 31/44 Architects and Taylor Made Space

Ostro Passivhaus (Scotland) by Paper Igloo

Peeking house (London) by Fletcher Crane Architects

Ravine House (Derbyshire) by Chiles Evans + Care Architects Ltd

Seabreeze (East Sussex) by RX Architects

Suffolk Cottage (Suffolk) by Haysom Ward Miller Architects

Surbiton Springs (London) by Surman Weston

The Cowshed (Dorset) by Crawshaw Architects LLP

The Den (Scotland) by Technique Architecture and Design in collaboration with Stallan-Brand

The Dutch Barn (West Sussex) by Sandy Rendel Architects Ltd

The Garden Studio (Norfolk) by Brisco Loran and James Alder Architect

The Library House (London) by Macdonald Wright Architects

The Parchment Works (Suffolk) by Will Gamble Architects

The Red House (Dorset) by David Kohn Architects

The shortlist and winner of the RIBA House of the Year 2022 will be revealed in the seventh series of Channel 4’s Grand Designs: House of the Year, produced by Naked West (a Fremantle label), airing later this year.