Tressour Wood Aberfeldy (1993) This was the first of Gaia's eco-houses in Scotland. It uses all timber construction and breathing walls.

Highland Eco-Centre, Ullapool (1996) Gaia were approached by a private client wishing to develop an exemplar of autonomous technology and sustainable building as a demonstration of ecological best practice in the Highlands.

Ledliath Culkein Drumbeg Sutherland (1997) This 4-bedroom house was designed to have a minimum impact on the landscape. It is of timber frame construction with locally sourced Douglas fir cladding and harled masonry.

Ledliath Bunkhouse, Culkein Drumbeg, Sutherland (2003)
This completely timber, split-level building was built as an addition to the main house.

Plash Mill Cottage, The Lade Braes, St. Andrews
This listed building was converted from a derelict condition into a family house.

Littlecroft, Scottish Borders (2002)
This small Study/Guest Annexe features light earth walls, made using a mix of blocks and monolithic (shuttered) clay and woodchip or straw within a timber frame.

Bridge of Lyon, Fortingall
An ecological extension to a former Chapel.

Nettleton House, Killin (1995) Gaia designed this small budget holiday home on Loch Earn from Scottish sourced and untreated timber. 

Duireaskin Farmhouse, Aberfeldy
Gaia have been involved in various phases of work at Duireaskin over a period of years.  

Duireaskin Steading & Bothy, Aberfeldy (1997)
This conversion involved utilising the available space to make interesting living rooms with fine views to the north & west.  

Crossmount House, Kinloch Rannoch
Gaia has been involved with the systematic repair of the fabric of this imposing listed building to ensure that it is preserved for future generations. 

Keeper's Cottage, Pitlochry
Gaia carried out extensions and alterations to this traditional estate cottage.

Donlellan, Strathtummel
This small house has recently been greatly improved by the construction of a porch that links the old cottage to a converted garage. 

Glenview, Fowlis Wester
This cottage was renovated and the derelict stone barn restored and converted. 

Loch Tummel, Strathtummel (2003)
This new 3-bedroom house with a double garage and workspace/loft was built on a south facing hillside site with magnificent panoramic views overlooking Loch Tummel.