Low Energy House

Location: Herne Hill, London

, UK

Status: Built

2021-24

A neglected 1920’s villa is transfigured into an urban oasis and future-facing family home. Improving the energy performance of the detached property in South London was a key concern of this project and environmental enhancements have been woven throughout. Inside, the family’s primary living space is modernised and expanded by means of a modest ground floor extension and internal reconfiguration, while a loft conversion provides essential additional accommodation and a home-working study with an amazing view.

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The redesign of the building’s interior to meet the needs of a growing, home-working family provided the driver for this low energy retrofit. A series of upgrades to the thermal envelope of the building has significantly reduced its operational energy demands while adding to its visual appeal. Dependency on fossil fuels is eliminated through the installation of an air source heat pump and a Mechanical Ventilation with Heat Recovery system.

Integrating landscaping into the design was a key ambition both aesthetically and environmentally, using trees and planting to increase biodiversity and provide shade. Through these unassuming interventions, the project has created more generous, flexible and usable spaces, inside and out.

Process

Concept design

Construction photos

Original condition of the house when purchased

Drawings

192.

Low Energy House

Year:

2021-24

Restrictions: Conservation area


CF team: Oliver Cooke, Francis Fawcett, Laura Davis-Lamarre, Millie Johnson, Zoe Cavendish

Structures: SD Engineers
Sustainability: Ben Allwood

Contractor: JK Construction