DROO adds geometric glass extension to East London townhouse

A glass prism has appeared in an East London back garden. Geometric, transparent and glistening, it is the work of emerging London studio DROO – Da Costa Mahindroo Architects, founded by husband-and-wife team Michel da Costa Gonçalves and Amrita Mahindroo, who split their time between London, Paris and Melbourne, while bridging experience from four different continents; this is a truly international pair.
The design – fulfilling a fairly typical brief for a renovation and extension of a Victorian townhouse – is equally dynamic. The architects worked with the existing property, refining and transforming inside and out, both fine-tuning and modernising the original interior, and adding the glass volume at the back, extending towards the garden.
The glass ‘verandah' contains the kitchen and dinning areas for this three-bedroom family home. Creating a bright and welcoming space, the structure is also meticulously and rigorously designed to create ‘seamless continuity between interior and exterior, layering the old with the new', explain the architects. Clever engineering means services (drainage, insulation, wiring and electrics) are hidden within an exposed brick wall and the gravity-defying structural glass appears light, clean and minimal – takings its cues, formally, from the area's shapes and roofscape.
The architects similarly streamlined the existing house's interior, using crisp lines and surfaces throughout, mixing past and present by maintaining original features and adding contemporary fitted furniture and tailor made accents – such as the kitchen's bespoke island and cabinetry.
The team, who have been behind acclaimed work such as Bethnal Green's Town Hall Hotel and the Viajante restaurant and bar (created under their previous name, RARE Architecture), have plenty more in the pipeline; including high end residential apartments in London, an office and hotel complex in Paris, and private houses.
INFORMATION
For more information visit the DROO website
Receive our daily digest of inspiration, escapism and design stories from around the world direct to your inbox.
Ellie Stathaki is the Architecture & Environment Director at Wallpaper*. She trained as an architect at the Aristotle University of Thessaloniki in Greece and studied architectural history at the Bartlett in London. Now an established journalist, she has been a member of the Wallpaper* team since 2006, visiting buildings across the globe and interviewing leading architects such as Tadao Ando and Rem Koolhaas. Ellie has also taken part in judging panels, moderated events, curated shows and contributed in books, such as The Contemporary House (Thames & Hudson, 2018), Glenn Sestig Architecture Diary (2020) and House London (2022).
-
Rachel Whiteread creates silver collection for Puiforcat inspired by corrugated cardboard
The Turner Prize-winning artist reinterprets imperfection in a new silverware collection with French maison Puiforcat
-
Meet Malak Mattar, the Palestinian artist behind the 'Together for Palestine' concert at London's Wembley Arena
The London-based artist curates a landmark concert of music and art in support of Gaza, alongside Brian Eno, James Blake, Jamie xx, Neneh Cherry and more
-
A new coffee table book proves that one designer’s trash is another’s treasure
The Rizzoli tome, launching today (16 September 2025), delves into the philosophy and process of Retrouvius, a design studio reclaiming salvaged materials in weird and wonderful ways
-
In memoriam: Sir Nicholas Grimshaw, 1939-2025
Pioneering British architect Sir Nicholas Grimshaw has died at the age of 85; we honour the creative who marked 20th-century architecture like few others
-
The new 2025 London Open House Festival tours to book
2025 London Open House launches this weekend, running 13-21 September; here, we celebrate the newcomers in the residential realm, flagging the exciting additions to the festival's growing home tour programme
-
The wait is over – the RIBA Stirling Prize 2025 shortlist is here
The restored home of Big Ben, creative housing for different needs, and a centre for medical innovation – the RIBA Stirling Prize 2025 shortlist has just been announced, and its six entries are as diverse as they can be
-
Slides, clouds and a box of presents: it’s the Dulwich Picture Gallery’s quirky new pavilion
At the Dulwich Picture Gallery in south London, ArtPlay Pavilion by Carmody Groarke and a rich Sculpture Garden open, fusing culture and fun for young audiences
-
Bay House brings restrained modern forms and low-energy design to the Devon coast
A house with heart, McLean Quinlan’s Bay House is a sizeable seaside property that works with the landscape to mitigate impact and maximise views of the sea
-
A whopping 92% of this slick London office fit-out came from reused materials
Could PLP Architecture's new workspace provide a new model for circularity?
-
Meet the landscape studio reviving the eco-brutalist Barbican Conservatory
London-based Harris Bugg Studio is working on refreshing the Barbican Conservatory as part of the brutalist icon's ongoing renewal; we meet the landscape designers to find out more
-
A refreshed Victorian home in London is soft, elegant and primed for hosting
Sobremesa house by architects Studio McW shows off its renovation and extension, designed for entertaining