
Calculate Building Cost Estimates for Residential Projects
This tool helps homeowners and developers calculate building cost estimates during the early stages of project planning and budgeting.
By entering approximate project details and selections, you can obtain an indicative estimate to assist with early budgeting and project planning.
Neil Warner Architecture provides architectural design, planning consultancy, planning applications and building regulations services for residential projects across Guildford, Surrey and London including home extensions, loft conversions, renovations and new build dwellings.
Understanding Construction Costs
Construction costs can vary significantly depending on factors such as project size, specification level, site conditions, structural requirements and overall design complexity. This calculator is intended to provide an approximate guide only and should not be relied upon as a formal quotation or tender cost.
Early budgeting can however be extremely useful in helping homeowners and developers understand project feasibility before progressing into detailed design and planning stages.
Architectural Design and Planning Services
Neil Warner Architecture works on a wide range of residential projects including extensions, loft conversions, replacement dwellings and bespoke new build homes. We provide architectural planning drawings, planning consultancy and building regulations packages tailored to each individual property and project.
Our approach focuses on balancing aesthetics, functionality, sustainability and practical construction considerations to create well-designed and buildable architectural solutions.
Planning Your Residential Project
Whether you are considering a home extension, renovation, loft conversion or new build project, careful early planning can help improve budget control and overall project outcomes. If you would like professional architectural advice regarding your project, please feel free to get in touch to discuss your requirements.

