We use cookies to improve your experience and measure site performance.Privacy Policy
No hourly rates, no hidden costs. Choose from our three comprehensive packages. Calculate your total extension cost
Questions about which package is right for you?
£250 + VAT deposit
balance on issuance of the first set of drawings following the measured survey
Additional storey: £750 + VAT | Loft conversion: £950 + VAT
Pick a time that suits you. A 30-minute call with Mark to discuss your project, understand your options and get a clear fixed-fee price.
| Feature / Service |
Essential Package
£1,350 + VAT
|
Pre-Build Package
£1,950 + VAT
|
Premium Package
£2,950 + VAT
|
|---|---|---|---|
| Feasibility report | |||
| On-site measured survey | |||
| Design consultation | |||
| Planning drawings | |||
| Planning application | |||
| Building regulation drawings | – | ||
| Structural calculations (qualified engineer) | – | ||
| Schedule of works | – | – | |
| Professional contractor vetting service | – | – | |
| Contractor proposal gathering | – | – | |
| Client-centric building contract between parties | – | – |
Perfect for homeowners who need planning permission
The Essential Package takes you from initial concept through to planning application submission. You'll receive a feasibility study, professional measured survey, design concept drawings, and complete planning submission with us acting as your agent throughout the planning process.
Peace of mind: Fixed-fee pricing means no surprises, and our streamlined process gets you planning-ready drawings without the complexity of traditional architectural services.
Ideal for families ready to start building
Our most popular package includes everything in Essential, plus the critical technical documents needed for construction. You'll receive complete building regulation drawings and certified structural calculations prepared by qualified engineers, making your project build-ready.
Peace of mind: With certified engineer calculations and technical drawings in hand, contractors can provide accurate quotes and your project moves smoothly from planning to construction.
Building regulations drawings included. Building Notice submission is typically handled by your builder.
Contract administration & contractor vetting for busy families
Looking for a professional vetted contractor team? Our Premium Package includes everything in Pre-Build, plus a comprehensive tender process. We prepare a detailed schedule of works and go out to two contracting teams from our vetted panel who specialise in home extensions. Each team undergoes thorough reference checks before being presented to you.
Peace of mind: We establish client-focused contracts between all parties with milestone-based payment terms, protecting you financially throughout the build. You'll never be overexposed, and you'll have professional oversight from design through to construction.
"Hampshire Build provide a well designed architectural service that helps demystify the renovation process. Professional throughout."
"Mark and his team made our garage conversion such a smooth and pleasant experience. The quality of building work was superb."
Start with a complimentary 30-minute consultation to discuss your project and explore your options.