How a Victorian terrace in a quiet Brixton mews secured planning permission through heritage-led design, neighbour engagement, and a glazed extension built around the eucalyptus tree at the heart of the garden.

When a previous planning application had been refused, 4SA's conservation expertise found a way forward. The result is a light-filled contemporary kitchen extension that honours the character of a Victorian home without mimicking it.

The total cost of a heritage home extension in London is rarely the construction figure alone. A 4SA architect's guide to contingency, VAT, consultant fees, and the four decisions that keep a Conservation Area project on budget from brief to completion.

Grand Designs Magazine has featured Curve House in its September 2024 issue. The piece focuses on the side extension and kitchen-diner of this Victorian semi in the Sunnyhill Road Conservation Area, Streatham, including the curve-edge island, bespoke cherry joinery, and terrazzo-effect flooring.

Belgian lifestyle magazine Actief Wonen has featured Curve House, our kitchen and terrace extension to a home in the Sunnyhill Conservation Area, Streatham. The piece covers both the architectural moves and the full interior specification, from bespoke cherry joinery to the terrace trellis.

Planning permission granted for the comprehensive refurbishment and extension of a substantial detached Victorian home in Kingston upon Thames. 4SA appointed for the full RIBA Stages 1 to 7, taking a four bedroom family house to six.

How 4SA secured planning permission for a Georgian villa in the Camberwell Grove Conservation Area through heritage-led design and archival evidence.

Curve House, 4SA's contemporary kitchen extension within the Sunnyhill Road Conservation Area in Streatham, has been longlisted for Don't Move, Improve!, New London Architecture's annual programme for London's best domestic-scale design.

4SA's Zig-Zag Roof House, a family home in Camberwell crowned by a sculptural zig-zag roofline, has been selected for New London Architecture's Don't Move, Improve! 2021, the annual survey celebrating 100 of London's most inspiring home transformations.

4SA's Zig Zag Roof House, a Victorian terrace in Camberwell, has been longlisted for Don't Move, Improve! 2021, New London Architecture's showcase of the capital's most inventive home transformations. The zig zag roof raises ceiling height and adds interest where a flat roof would have sat.

Dwell's House Tour of the Zig-Zag Roof House in Camberwell, a Victorian terrace where a negotiated boundary height and deep light-filled reveals turned a dark, cramped ground floor into a flexible space that grows with the family.

Living Etc's guide to modern home extensions features the Zig Zag Roof House, our Camberwell project where a collaborative agreement with the neighbour and a planning constraint together produced its distinctive sculptural roof.

The Evening Standard's Homes & Property section featured Zig Zag Roof House, a Victorian terraced home in Camberwell designed by 4SA founder Julia Hamson and opened to the public for Open House London 2020, with its zigzag-roofed rear extension and space-saving interiors.