Architect in Exeter & Devon | Thomas Souster Architecture

Beautiful, carefully crafted homes rooted in the landscapes of Devon and the South West.

A design-led RIBA Chartered Practice specialising in:

Extensions & renovations,

Bespoke new homes,

Barn conversions,

Sustainability upgrades

From first ideas through planning, technical design and construction.

Let's work together

Contemporary timber-clad house extension at Rocky Hill, Tavistock, Devon, with large corner glazing overlooking the Dartmoor landscape — Rocky Hill

A contemporary timber-clad extension to a 1930s semi-detached house in Tavistock, Devon, creating a connection between the home, garden and panoramic views towards Dartmoor.

Contemporary barn conversion interior at Big Barn, Stokeinteignhead, Devon, featuring exposed steel beams, timber finishes and a double-height living space — Big Barn

A contemporary and characterful barn conversion (Class Q) of a 19th-century agricultural milk barn into a three-bedroom family home in Stokeinteignhead, Devon.

Contemporary bungalow extension at Park Corner, Devon, featuring natural slate cladding, exposed timber posts, an integrated pergola and a landscaped terrace. — Park Corner

A contemporary extension and renovation of a 1960s bungalow in Devon, featuring an integrated pergola and seamless indoor–outdoor living space.

Contemporary bungalow extension at Tidcombe in Tiverton, Devon, featuring floor-to-ceiling glazing, a large rooflight and an open-plan living space overlooking the garden. — Tidcombe

A bespoke renovation and extension to a 1960s bungalow in Tiverton, Devon, creating light-filled living spaces with panoramic views across the surrounding landscape.

Architectural CGI of Cricket Barn, a contemporary barn-inspired new-build house in Sampford Courtenay, Devon, featuring timber cladding, exposed structural framing and extensive glazing. — Cricket Barn

A contemporary, low-carbon, new-build ‘barn-house’ in the open countryside near Sampford Courtenay, Devon.

Architectural CGI of North Lodge, the historic gatehouse to Lympstone Manor in Devon, showing the renovated lodge and contemporary stone extension connected by a glazed link. — North Lodge

A sensitive renovation of the historic 19th-century gatehouse to Lympstone Manor, complemented by a contemporary stone extension in Lympstone, Devon.

Outlook

The redevelopment of a single residential plot to provide three new dwellings in place of an existing large house on Ashburton Road, Bovey Tracey.

Silver Street

A contemporary side extension to an 1880s semi-detached house in Thorverton.

Grey Gables - On Site 2.jpg — Grey Gables

A modern extension to a 1960’s detached house set in a quiet, leafy suburb bordering the New Forest.

Fairholme House

A construction package for a new build house with 18th Century period features in Curry Mallet, Taunton.

Joinery & Interiors

Working closely with local craftsmen to deliver every aspect of your design, exactly as you imagined it.

Keepers Cottage - Plan B.jpg — Keepers Cottage

A new build house in the South Hams Area of Outstanding Natural Beauty.

Ash Acre

An oak-framed extension to a house set in the Maidencombe Conservation Area and Area of Outstanding Natural Beauty.
Designed as ancillary accommodation.