Essential Extension Costs in Leicestershire: My Personal Budgeting Secrets
- robertsarchitectur
- Nov 4, 2025
- 1 min read
H1: Essential Costs in Leicestershire: My Personal Budgeting Secrets
The true cost of an extension in Leicestershire is never just the builder's final quote. Over my 17 years in this industry, I’ve seen budgets fail because homeowners miss the 'soft costs.' I offer total transparency.
Cost Category | What I Help You Budget For | Robert Drague's Advantage |
Design Fees | My Architectural Design Services 5\%-15% of build | I am dual-qualified; my fee covers the precision of design and the practicality of construction guidance. |
Statutory Fees | Planning Permission, Building Regulations, Water Authority checks. | I manage the submissions and ensure fees are correct for your local Leicestershire authority. |
Pre-Build Costs | Measured Building Surveys, Structural Engineer fees. | I source and vet the best local professionals, guaranteeing data accuracy for your House Extension Design. |
The Contingency | 10\% to 15\% of the total build cost. | My carpentry knowledge minimises site surprises, meaning your contingency is less likely to be fully spent. |
My Design and Build model ensures your design is priced as I draw it, giving you confidence in your budget from the earliest stage.




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