Two castles and a prison on best buildings list

Landmark Fairburn Tower - a pink tower next to a big treeLandmark
Fairburn Tower is one of two restored castles on the best building list for 2025

Eleven buildings have been named as winners of the annual Royal Incorporation of Architects in Scotland (RIAS) awards.

The buildings include two restored castles, a road bridge, a whisky distillery and Scotland's newest prison and young offender institution.

The 11 winners will now become the "longlist" for the RIAS Andrew Doolan Best Building in Scotland award.

The shortlist will be announced in July ahead of the winner being revealed in November.

Aldourie Castle, Loch Ness, by Ptolemy Dean Architects

The Category A-listed Aldourie Castle has been conserved and all the surrounding estate buildings restored as well as new ones added, including farm buildings, an energy centre, a boathouse and a pedestrian bridge.

The judges admired how the project reconnected the disparate buildings to their romantic setting.

Simon Kennedy Aldourie Castle - a large mansion house-type castle with lots of Scottish baronial style turretsSimon Kennedy
The restoration of Aldourie Castle took five years
Simon Kennedy Aldourie Castle - a very fancy dining hallSimon Kennedy
Traditional materials and craftsmanship were used throughout
Simon Kennedy Aldourie Castle - a kitchenSimon Kennedy
The judges admired how the project has restored the spirit of the place

Caoghan na Creige, Isle of Harris, by Izat Arundell

The stone-clad building blends into the rugged Hebridean landscape, giving the home the appearance of a modern-day blackhouse.

The judges described the project as a testament to what can be achieved through patience, skill and a profound respect for place.

Richard Gaston Caoghan na Creige - The stone-clad building blends effortlessly into the rugged Hebridean landscapeRichard Gaston
The stone-clad building blends into the rugged Hebridean landscape
Richard Gaston Caoghan na Creige - a stone clad building with big windowsRichard Gaston
The home has the appearance of a modern-day blackhouse
Elliot Shepperd Caoghan na Creige - an internal viewElliot Shepperd
The judges described the project as a testament to what can be achieved through patience, skill and a profound respect for place

Ellengowan Regeneration, Dundee, by Collective Architecture

Ellengowan Regeneration replaces 124 deteriorating flats with 130 affordable homes.

It is a mix of housing including accessible flats, cottage flats, family terraced houses and a corner shop.

The judges praised the project's inclusive approach which balances modern needs with heritage preservation.

Keith Hunter Ellengowan Regeneration - a general view of some housingKeith Hunter
Ellengowan Regeneration replaces 124 deteriorating flats with 130 affordable homes
Keith Hunter Ellengowan Regeneration - housing at top of a slopeKeith Hunter
The staggered housing blocks step down the steeply sloping site, with elevated living spaces allowing residents to enjoy views across the River Tay
Keith Hunter Ellengowan Regeneration - more flatsKeith Hunter
A simple material palette respects the conservation area setting

Fairburn Tower, Muir of Ord, Highland by Simpson & Brown Architects

Built in the 16th Century and added to in the 17th, this remote Category A listed structure had fallen into a ruinous state.

The judges described Fairburn Tower as an exemplar project, where restoration and reconstruction are beautifully accomplished, while also delivering characterful holiday accommodation.

Landmark Fairburn Tower in 2011 looking very wrecked and neglected and then in 2022 looking all fresh and pinkLandmark
The remote Category A-listed structure had fallen into a ruinous state
Landmark Fairburn Tower - a room with an ornately painted ceilingLandmark
Key features include a Renaissance-style painted ceiling, created in collaboration with artist-craftsman Paul Mowbray
Landmark Fairburn Tower - a bedroom with wooden beams on the ceilingLandmark
Challenges such as installing electrical cabling, plumbing and bathrooms were inventively overcome

Gairnshiel Jubilee Bridge, Gairnshiel, Aberdeenshire by Moxon Architects

The Gairnshiel Jubilee Bridge provides a new route over the River Gairn, eliminating the lengthy detours and delays caused by frequent structural damage to the 18th Century crossing as it was no longer suitable for modern-day traffic.

The judges described the project as a fine example of how to integrate a modern vehicular bridge into a sensitive landscape.

Simon Kennedy Gairnshiel Jubilee Bridge - the bridge in a landscape shot of hills and the riverSimon Kennedy
Gairnshiel Jubilee Bridge offers a contemporary interpretation of the original bridge, which has been preserved and set aside for pedestrian use
Simon Kennedy Gairnshiel Jubilee Bridge - a close-up of the bridge. Its steel at the bottom and granite aboveSimon Kennedy
The new bridge features locally sourced granite for the parapets and embankments and weathering steel for the primary structure
Ben Addy Gairnshiel Jubilee Bridge - the old bridge in the foreground and the new bridge in the backgroundBen Addy
The 18th Century crossing was no longer suitable for modern-day traffic

HM Prison and Young Offender Institution Stirling by Holmes Miller Architects

The building is billed as a "fundamental rethinking of custodial environments in Scotland".

It supports women in custody through spaces that are intended to promote dignity, equality and meaningful rehabilitation.

The judges praised it as a model of how public buildings can be both operationally robust and deeply humane.

Chris Humphries HM Prison and Young Offender Institution Stirling - a clutch of modern prison buildingsChris Humphries
The new spaces are said to promote dignity, equality and rehabilitation
Chris Humphries HM Prison and Young Offender Institution Stirling - an aerial shot of the prison complexChris Humphries
Carefully arranged pavilions are embedded within the landscape, with generous courtyards and garden spaces
Chris Humphries HM Prison and Young Offender Institution Stirling - an internal view of a prison open space. light and airyChris Humphries
Internally, the focus is on creating private, safe and flexible environments that feel more domestic than institutional

Kinloch Lodge, Lairg, by GRAS

Kinloch Lodge is a "light-touch" conservation project which aims to maintain the charming and idiosyncratic nature of the original mid-19th Century lodge and its outbuildings.

RIAS said each has been lovingly, painstakingly and respectfully restored exactly as they were found, using traditional methods and materials.

The judges said the architects' involvement is refreshingly understated and thoroughly respectful of the original buildings.

Fran Mart Kinloch Lodge - an old lodge houseFran Mart
Kinloch Lodge is an example of a 'light-touch' conservation project
Fran Mart for Wildland Kinloch Lodge - a restored interior of a conservatory/dining roomFran Mart for Wildland
The original mid-19th Century lodge and its later extensions have been painstakingly restored exactly as they were found
Fran Mart for Wildland Kinloch Lodge - a restored sitting roomFran Mart for Wildland
GRAS used traditional methods and materials to gently coax the buildings back into life over many years

The Nucleus Building, University of Edinburgh, by Sheppard Robson

The building is described by RIAS as a new heart for the University of Edinburgh which unites teaching, learning and social spaces.

The judges described the Nucleus Building as a deftly executed piece of civic architecture.

Keth Hunter The Nucleus Building - a boxy glass and steel university buildingKeth Hunter
The building is described as a vibrant new heart for the University of Edinburgh
Keth Hunter The Nucleus Building - a university lecture hallKeth Hunter
The judges described the Nucleus Building as a deftly executed piece of civic architecture
Keth Hunter The Nucleus Building - a university breakout areaKeth Hunter
Its rich array of breakout areas, social spaces and study environments support different ways of learning

Riverside Primary School, Perth, by Architype

Riverside Primary School is the first Passivhaus-certified school in Scotland.

The judges described it as an exemplary project, which will serve as an inspiring model for the design of schools in Scotland and across the UK.

David Barbour Riverside Primary School - a brick school buildingDavid Barbour
The school brings the complex needs of nursery, primary and intensive support provision (ISP) under one roof
David Barbour Riverside Primary School - a classroomDavid Barbour
Flexible interiors are finished with a palette of neutral colours and non-toxic materials
David Barbour Riverside Primary School - a gym hallDavid Barbour
The judges described this as an exemplary school project

Rosebank Distillery, Falkirk, by MLA

The Rosebank Distillery had been considered lost but it has been carefully restored.

The jury was impressed by the design team, who navigated complex constraints including contamination, conservation, coal mining risk and listed structures.

They said the retention and restoration of the chimney, lockkeeper's cottage and red-brick buildings reflect a commitment to memory and place.

IMD Ltd Rosebank Distillery - by the side of the canalIMD Ltd
Rosebank Distillery has been thoughtfully brought back to life through an evocative restoration
Lee Mawdsley Rosebank Distillery - a big chimney that says established 1840 on itLee Mawdsley
The retention and restoration of the chimney reflects a commitment to memory and place
Chris McLuskie Rosebank Distillery - a tasting roomChris McLuskie
The jury was impressed by the depth of engagement and ambition shown by the design team

Union Terrace Gardens, Aberdeen, by Stallan-Brand Architecture + Design

RIAS said this transformation of a long-neglected civic space reclaimed Union Terrace Gardens as Aberdeen's green heart.

The judges praised the project as a benchmark in public-realm regeneration, demonstrating the power of sensitive, people-centred design to transform a city's sense of place.

Hardscape Union Terrace Gardens - an aerial shot showing the garden surrounded by big roadsHardscape
A long-neglected civic space has been reclaimed as Aberdeen's green heart
Andrew Lee Union Terrace Gardens - a shot of the garden looking very greenAndrew Lee
The project includes the restoration of statues, railings, arcade arches and even the subterranean Victorian toilets
Andrew Lee Union Terrace Gardens - the pavilionAndrew Lee
Three refined, lantern-like pavilions sit comfortably within their sensitive context