House extension designs

House extension designs and architects

e-architect select house extension designs from around the globe. Discover interesting contemporary property expansions and residential improvements. Source details about the best new designs for extending homes.

We feature a selection of the best new domestic building designs around the world, by respected properties designers.

In addition, we post information and images of significant contemporary architecture projects on this international website. Our focus is on internationally-significant home extension designs.

In conclusion, our home expansion tag archives are informative and together provide a useful global architectural resource.

Finally, you can find a strong grouping of residential property posts on our site.

Murrayfield House Extension, Edinburgh

November 26, 2021November 26, 2021 by Isabelle Lomholt

Murrayfield House Extension Edinburgh

Konishi Gaffney Architects’ brief for the Murrayfield House Extension project, Edinburgh, was to improve the connection between the house and it’s long West facing garden

Peckham Glass Box, modern Southwark home

May 20, 2025November 13, 2021 by Isabelle Lomholt

Peckham Glass Box, modern Southwark home

Unagru Architecture Urbanism’s client needed to extend their home in London to make room for their young family, by adding a side and rear extension – this became the Peckham Glass Box

Walters Way House, Lewisham

June 6, 2022November 4, 2021 by Isabelle Lomholt

Walters Way House Lewisham

MAP Architecture was asked to design and oversee the Walters Way full-house refurbishment and extension for this locally-listed, self-built, timber-frame “Segal House” in south-east London

The Dutch Brick House, Dulwich London

October 17, 2021October 15, 2021 by Isabelle Lomholt

Dutch Brick House Dulwich London

NOTO Architects designed the extension for Dutch Brick House a semi-detached Late-Victorian terraced house within Dulwich Estate, London: structural piling protect the trees roots

Wiltshire House, Southwest England

October 17, 2021October 15, 2021 by Isabelle Lomholt

Wiltshire House South West England

Wiltshire House – full refurbishment and extension by YARD Architects of a large Victorian house in a beautiful part of this county in England with views out to the vineyards and valley beyond

The Mowhay House Extension, Cornwall

April 12, 2023September 29, 2021 by Isabelle Lomholt

The Mowhay House Extension Cornwall

House extension design for Mowhay in Cornwall, England, by MATT Architecture extends beyond back of former cart shed – new roof slopes down to form single folded surface of slates

Wooden Annex by Tsuruta Architects

October 1, 2021September 21, 2021 by Adrian Welch

Wooden Annex by Tsuruta Architects, London

Wooden Annex by Tsuruta Architects in London: 1950s end of terrace house fully refurbished and extended with the addition of a single-story timber annex

Wooden Roof by Tsuruta Architects

March 23, 2024September 19, 2021 by Adrian Welch

Wooden Roof London house conservatory extension

Wooden Roof by Tsuruta Architects in London: simplicity of adding conservatory to house provides incredible range of expressive opportunities – sophistication and elegance

Arrow View Herefordshire House, AR Design Studio

September 19, 2021September 18, 2021 by Adrian Welch

Arrow View Herefordshire house by AR Design Studio

Arrow View Herefordshire house design by architects AR Design Studio: bespoke contemporary west England property extension project within idyllic countryside by Welsh border

Chapel house, Camberwell, London SE5

September 24, 2021September 15, 2021 by Adrian Welch

Chapel in London design by Craftworks

London conversion of a derelict chapel into a two-storey family home with a pulpit-like mezzanine under the roof. Unusually, the chapel is in the middle of a domestic garden, in a Conservation Area

SE24 Home Extension, Greater London

July 29, 2023September 14, 2021 by Isabelle Lomholt

SE24 Home Extension, Greater London

SE24 home extension, London, design by Turner Architects for a growing family needing a larger kitchen and a family room opening up to garden – there was, however, a large tree directly outside

The Picture House, South London Extension

September 6, 2021September 6, 2021 by Isabelle Lomholt

The Picture House South London

The Picture House in South London design by NOTO Architects – rear extension maximises proportion of glazing to rear facade, and in turn minimises appearance of other constructed elements

Corbelled Brick Extension, Earlsfield Building

August 30, 2021August 30, 2021 by Isabelle Lomholt

Corbelled Brick Extension Earlsfield

YARD Architects’ clients had an ambitious brief for their Corbelled Brick Extension, London – it looked to combine a specific and pragmatic spatial arrangement within a dramatic architectural intervention

Skinny House, Hill Lane, Southampton

July 14, 2021July 9, 2021 by Adrian Welch

Skinny House, Hill Lane, Southampton

Skinny House on Hill Lane, Southampton, UK: Studio : B.A.D. Architects act as architect, developer and client on a brownfield corner plot that has a converted garage and overgrown scrub land

Barnes Brick, London Borough of Richmond

December 29, 2022July 2, 2021 by Isabelle Lomholt

Barnes Brick London Borough of Richmond

Barnes Brick is a small Victorian terraced house in Barnes, London, stripped back, reconfigured and extended with exposed pale handmade brickwork to form a contemporary home by YARD Architects

LN Residence, Buenos Aires

November 22, 2024January 5, 2021 by Isabelle Lomholt

LN Residence Buenos Aires

Designed by además arquitectura, LN Residence, Buenos Aires has an addition to the typical home, a gallery to the quiet part of the building that gives place to the barbecue

Edwardian house extension near Southampton

January 27, 2025November 13, 2020 by Adrian Welch

Edwardian home extension near Southampton

£500k contemporary rear extension to an Edwardian house in a rural village near Southampton – less about adding extra space and more about how good design can transform a home