8–15 Aylesbury Street
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.
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.
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Client Meritcape and Kiani Architects
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Location Clerkenwell, London
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Period 2021-2025
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Services
Project Overview
The proposed works include:
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Partial Demolition – Removal of selected roof structures and external additions to allow the new development while retaining the historic core.
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Refurbishment – Comprehensive upgrade of the retained structure, including renewal of building services.
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Extension – Addition of part one-storey and part two-storey extensions designed to complement the historic character of the building and its conservation setting.
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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
Whole Life Carbon (WLC) Analysis revealed that:
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Embodied carbon from construction (Stages A1–A5) accounts for ~32% of lifetime emissions.
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Operational energy (Stage B6) contributes ~30% of emissions.
These insights informed strategies to reduce embodied and operational carbon while enhancing long-term performance.
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In my capacity of a new homes developer ‘Fenwood Estates Limited’ I have been working with Encon for over 10 years now. For every new site Encon have designed a full landscape scheme ticking all of the relevant planning boxes, in previous times they supported Fenwood with the roll out of the Code for Sustainable Homes across our sites and in more recent times with the Ecology and Bio Net Gain elements that we require, they have conducted surveys, reports and calculations to support all of our planning applications. The team are amazing, easy to talk to, quick to react when required and cost effective to say the least. I wouldn’t hesitate to recommend Encon Associates to anyone in the industry, they certainly give a 5 star service as a minimal!
