Location: Warwick Avenue, London

Client: Private

Sector: Housing 

Structural Engineer: Tisserin Engineers

Cost Consultant: Moulton Taggart

Heritage consultant: The Heritage Practice

The project at 24 Warwick Avenue is a Grade II Listed Victorian town house. The property has been a family home for the last 30 years with MBA carrying out an initial re-design in the late 1990’s. The clients then came back in 2019 to commission a follow up renovation project. Client’s and MBA’s environmentally conscious mindsets aligned; The goal was to preserve the heritage asset and enhance the dwelling’s performance in response to the ever-pressing climate emergency.

• Addressing historic damp ingress issues
• De-carbonising the building
• Re-design the thermal performance of the whole house envelope using ASHP

Summary of Works

Seven key elements were identified as essential to deliver a holistic deep low-carbon retrofit:

A. Planning Process
Planning and Listed Building Consent needed for lower ground floor extensions and any works done affecting the listed building

B. Low Carbon Natural Materials
Specify only natural and low carbon materials throughout.

C. Circular Economy
Identify opportunities to reclaim, refurbish, and reuse existing
materials from the site and source materials from reclaimed stock.

D. Thermal Improvements
Upgrade the thermal envelope throughout to deliver a contemporary standard of thermal performance whilst to preserving the Grade II heritage asset.

E. Zero Carbon Heat Source
Adopt a fossil fuel free heating & cooling system.

F. Mechanical Ventilation
Introduce mechanical ventilation & heat recovery to reduce moisture build-up & improve internal air quality.

G. Design for deconstruction
New interventions only