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Serving All of Wiltshire

Architectural Design in Wiltshire

Hampshire Build is an award-winning architectural design practice proudly serving Wiltshire. Based near Salisbury, we specialize in house extensions, loft conversions, and planning permission with a 98% approval rate.

With fixed-fee packages from £1,950 + VAT, we offer transparent pricing with no hidden costs. Our local expertise covers Salisbury, Swindon, Chippenham, Trowbridge and all Wiltshire towns.

Why Choose Hampshire Build?

98% planning approval rate across Wiltshire
Fixed-fee packages from £1,950 + VAT
Consistent planning process with a strong application record
Complimentary feasibility consultation
Fast 10 working day turnaround
Full building regulations drawings available

Our Services Across Wiltshire

House Extensions

Single and two-storey extensions

From £1,950+VAT

Loft Conversions

Bedrooms, offices and living spaces

From £1,950+VAT

Planning Permission

Expert council navigation

From £1,950+VAT

Areas We Serve in Wiltshire

Click on your town to learn about local planning requirements and how we can help with your project.

Salisbury

Historic cathedral city with extensive conservation areas

Swindon

Wiltshire's largest town with diverse housing stock

Chippenham

Market town with Georgian and Victorian properties

Trowbridge

County town with industrial heritage architecture

Our Fixed-Fee Packages

Pre-Build Package

£1,950+VAT

Planning Drawings
Building Regulation Drawings
Structural Calculations

Most Popular

Premium Package

£2,950+VAT

Everything in Pre-Build Package
Contractor Vetting & Proposals
Client-Focused Building Contract

Premium Plus Package

£4,950+VAT

Everything in Premium Package
2 On-Site Superstructure Visits
Unlimited Structural Revisions

Ready to Transform Your Wiltshire Property?

Book a complimentary consultation today – no obligation, no hidden fees.

Explore Our Other Service Areas

Hampshire Build provides extension design services across 8 counties in South England. Explore our other locations:

Hertfordshire New!

Buckinghamshire New!

View all service areas