--- title: "Every journey begins with the first step..." description: "Expert planning permission guidance for Putney SW15 projects. Early roof extension sketches capture concept clearly, drawn onsite collaboratively." canonical_url: https://www.andrewcatto.co.uk/blog/every-journey-begins-with-the-first-step/ language: en last_updated: 2026-04-12 copyright: © 2026 Andrew Catto Architects Limited --- [Back to Blog](https://www.andrewcatto.co.uk/blog/) Planning # Every journey begins with the first step... Early roof extension sketches capture concept clearly, drawn onsite collaboratively. ![Andrew Catto](https://www.andrewcatto.co.uk/images/team/andrew-catto.jpg) Andrew Catto Director/Architect July 2025 1 min read The first stages of this project shows the addition of a roof extension. The loose drawings convey a strong idea with a unique tangibility. This was done with the client on site. ![Architecture image from Andrew Catto Architects - Planning article: Every journey begins with the first step...](https://static.wixstatic.com/media/92568e_c1e23aca3fdb4703b87e61d2e4f9e4fe~mv2_d_5592_4065_s_4_2.jpg/v1/fill/w_740,h_538,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/92568e_c1e23aca3fdb4703b87e61d2e4f9e4fe~mv2_d_5592_4065_s_4_2.jpg) ### About the Author #### Andrew Catto Director and founder of Andrew Catto Architects with over 35 years of experience. Trained at the prestigious Architectural Association School in London, Andrew has been leading innovative architectural projects in Putney since 1999. Specializing in planning and sustainable design practices. [View Full Profile](https://www.andrewcatto.co.uk/team/#andrew-catto) ## Related Articles Continue exploring our insights on architecture, design, and construction ![When do you need an Architect ? - Related architecture article](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-blogarchitect-acad64dc-1776020030967.jpg/putney-architecture-blogarchitect-acad64dc-1776020030967_mobile.webp) July 2025•2 min read ### When do you need an Architect ? Architects guide, inspire, simplify projects. We turn challenges into solutions smoothly. [Read More](https://www.andrewcatto.co.uk/blog/when-do-you-need-an-architect/) ![Extensions in Putney: what's allowed and what to expect - Related architecture article](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-blog-9c0db40c-44a4-4cef-9296-c414bfeb66fd-92568e3d-2e24efee-1760993828371.jpg/putney-architecture-blog-9c0db40c-44a4-4cef-9296-c414bfeb66fd-92568e3d-2e24efee-1760993828371_tablet.webp) July 2025•4 min read ### Extensions in Putney: what's allowed and what to expect What extensions are allowed in Putney and likely costs for rear, side, single and two storey building projects. [Read More](https://www.andrewcatto.co.uk/blog/extension/) ![Planning permission in Putney: how to secure approval - Related architecture article](https://www.andrewcatto.co.uk/api/putney-architecture/media/images/variants/putney-architecture-blog-f7f8b441-f21d-4c6c-ab3e-17bc871e779c-92568eb8-cc27716d-1760993827512.jpg/putney-architecture-blog-f7f8b441-f21d-4c6c-ab3e-17bc871e779c-92568eb8-cc27716d-1760993827512_tablet.webp) July 2025•5 min read ### Planning permission in Putney: how to secure approval Planning in Putney - Local expertise helps simplify and secure approval. [Read More](https://www.andrewcatto.co.uk/blog/planning-permission/) ## Ready to Start Your Project? Let's discuss how we can bring your architectural vision to life with our expertise and innovative approach. --- [Original page](https://www.andrewcatto.co.uk/blog/every-journey-begins-with-the-first-step/) ## Sitemap [sitemap.md](https://www.andrewcatto.co.uk/sitemap.md) · [llms.txt](https://www.andrewcatto.co.uk/llms.txt)