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Fully managed extension design Hampshire Build Premium package — completed single-storey rear extension
Premium Package — £2,950 + VAT

Your Extension.
Completely Handled.

From first drawing to final sign-off — fixed fee, fully managed, nothing left to chance.

See how Hampshire Build manages your project from first drawing to final build.

98%
Planning Approval Rate
£2,950
Fixed Fee From (+ VAT)
Fully Managed
Start to Finish

Most homeowners planning an extension face the same three frustrations. They get drawings done — then spend months trying to find a reliable contractor. They get planning permission — then face unexpected costs when the build starts. Or they manage the whole thing themselves, around a full-time job and a family, and it becomes the most stressful experience they've ever had.

The Premium package exists for one reason: so you don't have to deal with any of that.

What's Included in the Premium Package

A fully managed architectural design service — from the first site visit to contractor coordination and build oversight. Fixed fee, no surprises.

Measured Survey & Design

We visit your property, take a full measured survey, and produce detailed architectural drawings designed around your vision and local planning policy.

Planning Application Management

We prepare and submit your full planning application, handle all local authority correspondence, and manage the process through to decision.

Building Regulations Drawings

Full structural and technical drawings to satisfy Building Control — everything your contractor needs to build with confidence.

Contractor Coordination

We work with our vetted contractor network to obtain competitive, reliable quotes. No chasing builders who don't respond.

Site Visits & Progress Oversight

We attend at key stages throughout the build, checking work against drawings and keeping your project on track.

One Fixed Fee. No Surprises.

£2,950 + VAT covers everything above. No hourly rates. No revision charges. No hidden costs.

Who Is Premium For

Premium Is Right For You If…

You want one point of contact who handles everything end to end

Your time is too valuable to project-manage a build yourself

You want the finished result to be exactly what you envisioned — not a compromise

Recent Premium Projects

Premium extension design Hampshire — glazed rear extension Winchester
Single-Storey Rear Extension
Winchester, Hampshire

Open-plan kitchen-diner with full-width glazing, delivered on time and within budget.

Fully managed kitchen extension Hampshire Build Premium package Basingstoke
Kitchen Extension
Basingstoke, Hampshire

Full-width kitchen extension with bi-fold doors, coordinated from planning through to snagging.

Premium architectural design service Surrey — two-storey extension
Two-Storey Extension
Guildford, Surrey

Double-storey rear addition delivering two extra bedrooms plus an enlarged ground-floor living space.

Our Planning Approval Guarantee

98% Planning Approval Rate — And If We Don't Get It First Time, We Resubmit. Free.

Planning rejections are rare at Hampshire Build. But if your application doesn't succeed first time, we go again — same fixed fee, no additional charge. That's how confident we are in what we do.

"
"We really needed help with finding a contractor that we could trust and this package did just that!"

— Premium Package Client

Ready to Get Started?

Book a free, no-obligation Premium consultation. We'll discuss your project, walk you through the process, and give you a clear picture of timelines and next steps.

Or call us directly: 01722 548911