# Hampshire Build Hampshire Build Limited is a fixed-fee residential architectural design practice founded by Mark Eden, with 20+ years in residential architectural design. The practice is based at Suite 14, STANTA Business Centre, St Albans AL3 6PF. Contact mark@hampshirebuild.co.uk or 01722 548911. Hampshire Build serves Hampshire, Hertfordshire, Surrey, Berkshire, Buckinghamshire, Wiltshire, Oxfordshire, West Sussex and Greater London. ## Services - Home extensions and kitchen extensions: https://hampshirebuild.co.uk/services/kitchen-extensions - Two-storey extensions: https://hampshirebuild.co.uk/services/two-storey-extensions - Loft conversions: https://hampshirebuild.co.uk/services/loft-conversions - Garage conversions: https://hampshirebuild.co.uk/services/garage-conversions - Building Regulations drawings: https://hampshirebuild.co.uk/services/building-regulations-drawings - Fixed-fee package comparison: https://hampshirebuild.co.uk/packages - Free Feasibility Check for an indicative project budget and likely planning route: https://hampshirebuild.co.uk/extension-cost-calculator Package fees are displayed on the packages page in pounds + VAT. Indicative build costs are not contractor quotations; statutory and third-party fees are separate. Structural calculations are prepared by an independent qualified structural engineer. Hampshire Build's stated planning approval rate is 95%. ## Areas and team - Service areas: https://hampshirebuild.co.uk/service-areas - Hampshire: https://hampshirebuild.co.uk/hampshire - Hertfordshire: https://hampshirebuild.co.uk/hertfordshire - St Albans: https://hampshirebuild.co.uk/hertfordshire/st-albans - Founder Mark Eden: https://hampshirebuild.co.uk/about/mark-eden - Contact: https://hampshirebuild.co.uk/contact ## Guides - House extensions in Hampshire: https://hampshirebuild.co.uk/blog/house-extensions-hampshire-complete-guide-2026 - Extension budgeting: https://hampshirebuild.co.uk/blog/extension-costs-budgeting-hampshire-home-project - Permitted development: https://hampshirebuild.co.uk/blog/permitted-development-rights-extending-without-planning - Planning permission versus permitted development: https://hampshirebuild.co.uk/blog/permitted-development-vs-planning-permission-guide - Building Regulations: https://hampshirebuild.co.uk/blog/building-regulations-hampshire-extensions - All guides: https://hampshirebuild.co.uk/blog