Reusing existing buildings for sustainable purposes

  • La façade élégante du grand magasin La Samaritaine à Paris, un bâtiment beige et vert avec de grandes fenêtres et des enseignes dorées, sous un ciel partiellement nuageux avec des passants dans la rue.

    Reinventing the existing

    In response to shifting lifestyles, environmental concerns and changing user requirements, we assist public and private clients in reimagining their built heritage.

    Our projects reveal the potential of existing buildings, sustainably enhancing the value of assets and contribute to the appeal of the surrounding area.

  • Creating lasting value

    We revitalise aging or obsolete office assets by unlocking their potential for new uses while sustainably improving their environmental performance.

Nos expertises

  • Ensemble de bâtiments résidentiels modernes aux façades gris métallique, beige, en bois brun et blanches, agrémenté de balcons en verre et encadré par des conifères verts sous un ciel bleu clair.

    Assessing the potential of each asset

    We analyse the situation and layout of your property assets to identify the most appropriate scenarios: conversion, rehabilitation, extension or partial deconstruction.

    Each study considers technical, regulatory and financial factors to determine the most sustainable and effective approach to enhancing the asset’s value.

  • Rooftop terrace with concrete planters holding trees and a gravel floor, beneath a dark metal pergola supporting rows of solar panels. Golden hour light bathes the modern, sustainable outdoor space with a cityscape in the background.

    Defining customised project plans

    From the earliest stages, we design a customised plan structured around key milestones, clearly defined deliverables and dedicated governance.

    This methodology ensures smooth coordination among all stakeholders and provides a shared understanding of project objectives, timelines and commitments.

  • Balcon moderne avec plancher en bois et balustrade grise, ouvert via de grandes baies vitrées coulissantes à cadre bois, reflétant un immeuble haussmannien blanc et l'intérieur d'une pièce vide.

    Benefiting from integrated expertise

    Our teams draw on expertise across all disciplines, including real estate strategy, circular economy, timber construction and technical and financial engineering.

    This comprehensive approach optimises both the functional value and environmental performance of built assets.

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Cyclic: a comprehensive solution for enhancing asset value

Cyclic is designed for owners, investors and public authorities seeking to give new life to buildings and business sites. It offers an integrated approach covering audit, design, planning, project management and support through to the operational phase.

By drawing on Bouygues Construction’s full range of expertise – engineering, architecture, innovation and sustainable construction – together with a network of trusted partners, Cyclic transforms assets into sustainable, attractive projects aligned with evolving uses.

Each intervention is tailored to its context, with close attention to users, local conditions and the asset’s intrinsic value, ensuring a balanced response that combines economic performance with environmental and social outcomes.

Un groupe diversifié de collègues sourit et interagit lors d'une réunion dans un bureau moderne. Un homme barbu en col roulé marron est au centre, regardant joyeusement vers la droite, avec un ordinateur portable devant lui.

Reducing impact, maximising value

Transforming existing buildings means acting decisively for more sustainable, balanced and resilient cities. It helps reduce carbon footprints, preserve land resources and breathe new life into weakened urban fabric, particularly neglected built heritage.

It supports the revitalisation of neighbourhoods and the reinvention of uses. By unlocking the potential of sites that have sometimes been overlooked, this work restores meaning, memory and appeal while creating lasting social, environmental and economic value for places and the people who shape them.

Un grand bâtiment historique en pierre claire de style néo-gothique, avec des toits en ardoise grise et des fenêtres éclairées, domine une rue urbaine au crépuscule. Le ciel est couvert de nuages sombres, et les lampadaires projettent une lumière chaude sur l'asphalte.
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