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8–15 Aylesbury Street

The Project

Encon Associates were appointed to provide a full range of sustainability and planning services for a heritage redevelopment of 8–15 Aylesbury Street, located in the heart of the Clerkenwell Conservation Area within the London Borough of Islington.

815_2-Credit-Filippo-Bolgnese-e1756292879982
The Project

This historic commercial building, originally constructed circa 1912, underwent a sensitive yet contemporary revitalisation.

The development is designed to preserve the site’s heritage value while introducing modern, sustainable improvements to ensure long-term viability.

A Balanced Approach

This project demonstrates how sensitive heritage-led redevelopment can go hand in hand with sustainable design strategies. By retaining much of the historic fabric while upgrading performance, 8–15 Aylesbury Street will continue to contribute positively to the cultural and commercial vitality of Clerkenwell.

8145_3 Credit Filippo Bolgnese
Building northwest
8-15 Aylesbury Street

Project Overview

The proposed works include:

  • Partial Demolition – Removal of selected roof structures and external additions to allow the new development while retaining the historic core.

  • Refurbishment – Comprehensive upgrade of the retained structure, including renewal of building services.

  • Extension – Addition of part one-storey and part two-storey extensions designed to complement the historic character of the building and its conservation setting.

  • Flexible Commercial Use – The revitalised property will provide high-quality, spacious Class E (Office) accommodation, supporting contemporary occupiers while enhancing the local urban fabric.

Images credits: Filippo Bolgnese

Sustainability & Carbon Performance

A key focus of the redevelopment was balancing heritage conservation with sustainable design. Encon Associates undertook a full suite of environmental and planning assessments to minimise carbon impact and futureproof the building.
8–15 Aylesbury Street
I am impressed by the commitments that Meritcape and Kiani Architects take to making sustainable travel viable at 8-15 Aylesbury Street. Whether that be providing suitable facilities to encourage the uptake of active travel or their commitment to meeting sustainable travel targets, they ensure that the end user has ample choice to travel to and from the site sustainably.
Tyler Shin, Transport Consultant – Encon Associates
8-15 aylesbury st

Whole Life Carbon (WLC) Analysis revealed that:

  • Embodied carbon from construction (Stages A1–A5) accounts for ~32% of lifetime emissions.

  • Operational energy (Stage B6) contributes ~30% of emissions.
    These insights informed strategies to reduce embodied and operational carbon while enhancing long-term performance.

8145_3 Credit Filippo Bolgnese

Want to gain environmental credits or need planning advice for your next project?

Encon Associates always provide quality work promptly and professionally, frequently within tight timescales. They are always friendly and helpful with advice on ecology and landscaping for our schemes to successfully complete Landscape designs to meet clients expectations.

Karen Bradshaw, WCEC
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IES survey _ Environmental policy bulletin services _ Society for the Environment
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Breeam
CIHT
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Construction Online
The Institute Of Structural Engineers
Elmhurst Approved Energy Assessor
ecology and environmental management logo
CIBSE-Cert-LCC-UKAS-Colour-cropped
infrared training center
OneClickLCA_highreslogo
IES survey _ Environmental policy bulletin services _ Society for the Environment
Monitoring Air Quality
Breeam
CIHT
CIOB_COMPANYMEMBER_MONO_RGB
Construction Online
The Institute Of Structural Engineers
Elmhurst Approved Energy Assessor
ecology and environmental management logo
CIBSE-Cert-LCC-UKAS-Colour-cropped
infrared training center
OneClickLCA_highreslogo
IES survey _ Environmental policy bulletin services _ Society for the Environment
Monitoring Air Quality