--- title: "Residential Extensions Architecture | Putney Portfolio | ..." description: "Professional residential extensions architecture projects in Putney SW15. View our residential extensions portfolio including extensions, renovations & new b..." canonical_url: https://www.andrewcatto.co.uk/portfolio/residential-extensions/ language: en copyright: © 2026 Andrew Catto Architects Limited --- OUR WORK # Architecture Portfolio - Putney & London Projects Since 1999, Andrew Catto Architects has delivered designs across Putney, greater London and Surrey. Our diverse portfolio demonstrates our expertise in navigating planning regulations and creating beautiful, functional spaces that enhance our clients' lives. Learn more about our architectural services or discover our focus on sustainable design. [All Projects](https://www.andrewcatto.co.uk/portfolio/) [Basement Conversions](https://www.andrewcatto.co.uk/portfolio/basement-conversions/) [Commercial](https://www.andrewcatto.co.uk/portfolio/commercial/) [Conservation & Heritage](https://www.andrewcatto.co.uk/portfolio/conservation-heritage/) [Home Renovations](https://www.andrewcatto.co.uk/portfolio/home-renovations/) [Loft Conversions](https://www.andrewcatto.co.uk/portfolio/loft-conversions/) [Residential Extensions](https://www.andrewcatto.co.uk/portfolio/residential-extensions/) ## Our Architectural Projects 2025 ### A modern take on the pitched roof [Rusholme Road conservation area - Wandsworth West Hill](https://www.andrewcatto.co.uk/projects/a-modern-take-on-the-pitched-roof/) 2024 ### It is not always about a large extension [Willett Estate Roehampton SW15](https://www.andrewcatto.co.uk/projects/it-is-not-always-about-a-large-extension/) ![Wandsworth / A small extension, a transformative space - View 10](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-c0d98528-aba5-4a0f-866b-56711828b7b5-andre-68ca346b-1760992692026.png/putney-architecture-gallery-c0d98528-aba5-4a0f-866b-56711828b7b5-andre-68ca346b-1760992692026_tablet.webp) 2023 ### Small extension – big change [Wandsworth](https://www.andrewcatto.co.uk/projects/small-extension-big-change/) ![Landford Road / One extension or two? - View 8](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-91fbc840-2044-4e8f-acdc-8a5b815d4b79-andre-a39ff610-1760992553071.png/putney-architecture-gallery-91fbc840-2044-4e8f-acdc-8a5b815d4b79-andre-a39ff610-1760992553071_tablet.webp) ### One extension or two? [Putney Velodrome estate](https://www.andrewcatto.co.uk/projects/one-extension-or-two/) ![Isleworth / Let there be light - View 3](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-8642554f-84cb-4431-8486-204e4386e543-andre-ededf87e-1760992769107.png/putney-architecture-gallery-8642554f-84cb-4431-8486-204e4386e543-andre-ededf87e-1760992769107_tablet.webp) 2022 ### Rediscovering views [Isleworth](https://www.andrewcatto.co.uk/projects/rediscovering-views/) ![L shaped Victorian terrace - View 1](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-0b912633-1943-4534-a05b-eea61e16dd01-andre-00384f21-1760992629010.jpg/putney-architecture-gallery-0b912633-1943-4534-a05b-eea61e16dd01-andre-00384f21-1760992629010_tablet.webp) 2021 ### A quart into a pint pot [Cardinal Place - Central Putney](https://www.andrewcatto.co.uk/projects/a-quart-into-a-pint-pot/) ![Clarendon Drive / Let there be light - View 5](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-0cd638c6-7123-4689-8900-242290304e9f-andre-c93e4807-1760992752454.png/putney-architecture-gallery-0cd638c6-7123-4689-8900-242290304e9f-andre-c93e4807-1760992752454_tablet.webp) ### Daylight in the basement [Clarendon Drive - Putney](https://www.andrewcatto.co.uk/projects/daylight-in-the-basement/) ![Cannon Hill / Exploiting the slope - View 5](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-36aa520e-9f1b-4acf-99d2-52a4b9defe36-andre-f2d863ff-1760993781996.png/putney-architecture-gallery-36aa520e-9f1b-4acf-99d2-52a4b9defe36-andre-f2d863ff-1760993781996_tablet.webp) 2020 ### Exploiting the slope [Eastway - Cannon Hill, Morden](https://www.andrewcatto.co.uk/projects/exploiting-the-slope/) ![West Hill - View 3](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-fc0db315-45b1-43a9-9248-06a07e38124e-andre-f7a92eb7-1760992705894.jpg/putney-architecture-gallery-fc0db315-45b1-43a9-9248-06a07e38124e-andre-f7a92eb7-1760992705894_tablet.webp) 2019 ### Spot the extension [Wandsworth - West Hill](https://www.andrewcatto.co.uk/projects/spot-the-extension/) ![Using levels to define spaces - View 1](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-3b5593e3-762f-4b35-a0b1-ee0fefdcf2cd-andre-510f0bd5-1760993782942.jpg/putney-architecture-gallery-3b5593e3-762f-4b35-a0b1-ee0fefdcf2cd-andre-510f0bd5-1760993782942_tablet.webp) 2013 ### Using levels to define spaces [Tideswell Road - Putney](https://www.andrewcatto.co.uk/projects/using-levels-to-define-spaces/) ![Rear extension that opens to garden - Main view](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-42ec55bd-1bd2-4ff9-825b-f41de4f98204-andre-62fe7316-1760993695700.jpg/putney-architecture-gallery-42ec55bd-1bd2-4ff9-825b-f41de4f98204-andre-62fe7316-1760993695700_tablet.webp) 2012 ### Rear extension that opens to garden [Felsham Road- Putney](https://www.andrewcatto.co.uk/projects/rear-extension-that-opens-to-garden/) ![Opening up the view - Main view](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-59fb4ff5-7cc5-4c8d-83ea-18ab54ecf7fd-andre-09f78025-1760993280569.jpg/putney-architecture-gallery-59fb4ff5-7cc5-4c8d-83ea-18ab54ecf7fd-andre-09f78025-1760993280569_tablet.webp) ### Opening up the view [West Putney](https://www.andrewcatto.co.uk/projects/opening-up-the-view/) ![Southdean Gardens - View 3](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-gallery-d71da36e-575e-45ab-aea0-cdd36e6119b2-andre-8e7df3c8-1760992540951.png/putney-architecture-gallery-d71da36e-575e-45ab-aea0-cdd36e6119b2-andre-8e7df3c8-1760992540951_tablet.webp) ### Optimising Permitted Development [Southdean Gardens - Wimbledon Park](https://www.andrewcatto.co.uk/projects/optimising-permitted-development/) ## Ready to Start Your Project? We offer an initial consultation to discuss your project needs and how we can assist with from start to finish. --- [Original page](https://www.andrewcatto.co.uk/portfolio/residential-extensions/) ## Sitemap [sitemap.md](https://www.andrewcatto.co.uk/sitemap.md) · [llms.txt](https://www.andrewcatto.co.uk/llms.txt)