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A bold upward extension, creating a chic new apartment in a conservation area

Location

Deptford High Street SE8

Local Authority

Lewisham Council

Plot Type

Conservation area

Project Type

Extension

Accomplishment

Two-bedroom apartment

Services by Urbanist Architecture

Project Architect, Delivery Architect, Planning Consultant, Lead Consultant

Collaborators

Mint Structures, TPA

Team
Ufuk Bahar
Nicole Guler
Sky Moore-Clube

Challenge

Our clients wanted to build a new flat atop a corner building on a busy high street. The twist? The flat was located in a conservation area. So, our challenge was to design a tasteful addition that would fit within the heritage protections, all while enhancing the building's utility in a prime location.

Approach

We identified sufficient space on the roof for a two-bedroom flat, and proposed a design that wouldn't significantly exceed the height of an existing brick structure on the roof. Additionally, we chose a metal covering for the mansard to lend it a neutral, timeless quality, as well as a glazed balcony balustrade to avoid obtrusiveness. Our approach was to create a design that would fit with the conservation area's characteristics and complement the neighbouring listed buildings.

Solution

The council initially refused our proposal but because we were confident in the quality of our design, we decided to appeal the decision. What was the outcome? The planning inspector found the design to be 'sensitive' to its context and sympathetic to the building’s original features, which was exactly our goal. In the end, the mansard was granted planning consent, proving that with the right design and a strategic planning approach, building upwards in a conservation area can be done, and it can be done well.

Before & After

Existing roof plan which was very large and flat and hence had plenty of potential to develop a two-bedroom flat.
Location

Deptford High Street SE8

Local Authority

Lewisham Council

Plot Type

Conservation area

Project Type

Extension

Accomplishment

Two-bedroom apartment

Services by Urbanist Architecture

Project Architect, Delivery Architect, Planning Consultant, Lead Consultant

Collaborators

Mint Structures, TPA

Team
Ufuk Bahar
Nicole Guler
Sky Moore-Clube

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