Extension Design Insights & Guides
Expert advice on home extensions, planning permission, building regulations, and extension design packages for Hampshire homes.
Open-Plan Kitchen Extension Design Ideas for Hampshire Homes
The open-plan kitchen-diner is the most popular extension type in Hampshire. Here's how to design one that works for your home — light, flow, structure and planning.
Garage Conversion Planning in Hampshire: Do You Need Permission?
Most Hampshire garage conversions don't need planning permission — but there are important exceptions. Here's what to check before you start your project.
Hampshire Loft Conversions 2026: Types, Costs and the Planning Route
A complete guide to loft conversions in Hampshire — dormer, Velux and hip-to-gable options, what they cost, when you need planning permission, and what's changed in 2026.
Extension Costs in Winchester 2026: A Realistic Budget Guide
How much does a house extension really cost in Winchester? We break down real build costs by type, the design fees, planning fees and what affects total project cost.
House Extensions in Southampton: A Local Guide for 2026
Everything Southampton homeowners need to know before extending — from Victorian terrace challenges to Southampton City Council's planning rules and build costs in 2026.
Planning Permission for Extensions: What Hampshire Councils Look For in 2026
Every local planning authority in Hampshire has its own design preferences and red lines. Understanding what Winchester, Basingstoke, Test Valley and the rest actually want to see on a planning application can be the difference between approval and refusal.
What Is a Building Regulations Drawing Package — and Do You Need One?
Most homeowners know they need planning permission before building an extension. Far fewer understand that Building Regulations approval is a separate legal requirement — and that a full technical drawing package is what makes it possible.
Side Return Extension vs Rear Extension: Which Is Right for Your Home?
Choosing between a side return extension and a rear extension isn't just a matter of space — it depends on your property type, planning situation, budget and the result you want to achieve. Here's how to make the right call.
How Much Does a Loft Conversion Cost in Hampshire? (2026 Prices & Guide)
Loft conversions remain one of the most cost-effective ways to add space in Hampshire. But costs vary significantly depending on conversion type, size and finish. Here's what you can expect to pay in 2026 — and what drives the price.
How Long Does a Garage Conversion Take? Complete Timeline & Stages
A garage conversion is one of the quickest ways to add a bedroom, home office or living room to your home — but the timeline from first conversation to usable room involves more stages than most homeowners expect. Here's the complete picture.
What Can You Build Without Planning Permission in Hampshire? (2026 Guide)
Millions of UK homeowners extend and improve their homes every year without needing a planning application. Understanding what's covered by Permitted Development rights — and what isn't — can save you time and money before a single drawing is produced.
Hampshire Build Premium Package: Full Design, Vetted Contractors & Fixed-Fee Peace of Mind
The Premium Package at £2,950+VAT takes you from planning drawings all the way through contractor tendering and proposal comparison — giving you everything you need to get your extension built with confidence.
Why Choosing a Vetted Contractor is the Most Important Decision You'll Make on Your Extension
The number one thing that goes wrong on extension projects isn't the design — it's the contractor. Here's what vetting actually means, what your building contract should include, and why Hampshire Build built a vetted panel.
How Much Does a House Extension Cost in Hampshire? (2026 Guide)
Wondering what a house extension costs in Hampshire in 2026? We break down real prices by extension type, size and finish — with no hidden surprises.
House Extensions Hampshire: Complete Guide 2026
Everything Hampshire homeowners need to know about extending their home in 2026 — planning permission, costs, timelines, types of extension, and how to choose the right designer.
Do You Need an Architect for a House Extension in Hampshire?
Most Hampshire homeowners assume they need a fully qualified architect to extend their home. The reality is more nuanced — and understanding the difference could save you thousands.
Hampshire Build Achieves 98% Planning Approval Rate: A Record Q1 2026
We're proud to announce that Hampshire Build has achieved a 98% planning approval rate across all submitted applications in Q1 2026 — continuing our track record of delivering results for Hampshire homeowners.
Hampshire Build Now Serving West Sussex and Berkshire: New Service Areas for 2026
Following strong demand from homeowners outside Hampshire, we're pleased to confirm that Hampshire Build now formally covers West Sussex and Berkshire — bringing our fixed-fee extension design packages to even more families across the South East.
How to Pass Building Regulations First Time: Hampshire Extension Checklist 2026
Building regulations approval is a legal requirement for almost all home extensions — but many homeowners don't fully understand what's involved until they're already on site. This practical checklist sets out what inspectors look for and how to avoid the most common failures.
Flat Roof vs Pitched Roof Extension: Which is Right for Your Hampshire Home?
Choosing between a flat roof and a pitched roof for your extension isn't just an aesthetic decision — it affects planning permission, build cost, maintenance, and how much natural light you can bring in. Here's everything you need to know.
Garage Conversions in Hampshire 2026: Planning, Design & Cost Guide
Converting an integral or attached garage is one of the most cost-effective ways to add a room to your Hampshire home. With no extension to build and planning permission rarely required, garage conversions offer exceptional value — but the details matter.
Crittall Style Doors: The Ultimate Guide for Your Home Extension
Crittall style doors have become one of the most sought-after features in modern home extensions. Discover why these iconic steel-framed glazing systems add both character and value to your property.
Permitted Development or Planning Permission: Which Route is Right for Your Extension?
Understanding the key differences between Permitted Development rights and full Planning Permission can save you time, money and frustration. Here's what every homeowner needs to know before starting their extension project.
Hampshire Build Expands into Hertfordshire for 2026
We're excited to announce our expansion into Hertfordshire, bringing our award-winning extension design services to St Albans, Watford, Stevenage and towns across the county.
New Year, New Space: Start Your 2026 Home Extension Journey in Hampshire
Make 2026 the year you finally create the home you've always dreamed of. Discover why January is the perfect time to start planning your Hampshire extension project.
Meet Hampshire Build at the Homebuilding & Renovating Show 2026
We're excited to announce that Hampshire Build will be exhibiting at the Homebuilding & Renovating Show. Come and meet our team to discuss your extension project in person.
Modern Extension Design Trends Transforming Hampshire Homes in 2026
Discover the latest extension design trends for 2026. From contemporary glazing to sustainable materials, see how Hampshire homeowners are creating stunning living spaces.
How Much Does Extension Design Cost in Hampshire? 2025 Pricing Guide
Complete breakdown of extension design costs in Hampshire 2025. Compare extension designer fees, understand what you pay for, and discover how to save thousands on your Winchester, Basingstoke, or Southampton extension project.
Single-Storey Extensions Hampshire: Complete 2025 Design Guide
Everything Hampshire homeowners need to know about single-storey extensions in 2025. Design ideas, costs, planning permission, and expert tips for Winchester, Basingstoke, and Southampton projects.
How to Choose an Extension Designer in Winchester & Hampshire: 2025 Expert Guide
Complete guide to choosing the right extension designer for your Winchester, Basingstoke, or Southampton home extension. Compare qualifications, experience, pricing models, and what to look for in Hampshire extension design services.
Planning Permission for Home Extensions: What You Need to Know in 2025
Understanding the planning permission process for home extensions in Hampshire 2025. Complete guide covering when you need planning permission, how to apply, new regulations, and tips for approval success across Winchester, Basingstoke, and Southampton.
Kitchen Extensions: 12 Design Ideas for Hampshire Homes in 2025
Discover inspiring kitchen extension designs perfect for Hampshire homes in 2025. From open-plan kitchen-diners to side returns and orangery-style extensions across Winchester, Basingstoke, and Southampton. Modern designs blending with traditional architecture.
Building Regulations for Hampshire Extensions | Hampshire Build
How building regulations work for home extensions in Hampshire. Hampshire Build produces lean, accurate technical drawings calibrated for Building Notice — everything your builder needs, at outstanding value.
Permitted Development Rights: Extending Without Planning Permission in Hampshire 2025
Complete guide to permitted development rights for Hampshire home extensions. Extend without planning permission - save £528 in fees and 8-12 weeks. Understand limits, restrictions, and Prior Approval process for Winchester, Basingstoke, and Southampton homes.
Two-Storey Extensions: Maximising Space in Hampshire Homes 2025
Complete guide to two-storey extensions for Hampshire homes in 2025. Add bedrooms + kitchen simultaneously, preserve garden space, £1,600-£2,500/m² costs. Winchester, Basingstoke, Southampton design ideas, planning requirements, and value-for-money analysis.
Extension Costs 2025: Complete Budgeting Guide for Hampshire Home Projects
Complete breakdown of home extension costs in Hampshire 2025. Detailed pricing for design fees (£1,950-£2,950), construction costs (£1,800-£3,500/m²), planning fees, hidden costs, and real Winchester, Basingstoke, Southampton project examples.
Hampshire Extension Designer Packages: Pre-Build Package vs Premium Package vs Premium Plus Package (2026 Guide)
Compare Hampshire Build's three fixed-fee extension designer packages — Pre-Build Package (£1,950), Premium Package (£2,950), and Premium Plus Package (£4,950) + VAT. Find out which is right for your project.
Why Hampshire Families Save £2,000+ With Our Fixed-Fee Extension Designer Packages
Discover how Hampshire Build's transparent extension designer pricing saves families thousands compared to traditional hourly-rate designers. Real cost comparisons and client testimonials.
Pre-Build Package £1,950+VAT: Complete Guide for Hampshire Extensions
Everything you need to know about Hampshire Build's most popular fixed-fee package. Includes planning drawings, building regulations, and structural calculations — everything your builder needs.
Extension Cost Calculator: 2025 Hampshire Build Prices & Estimates
Use our free extension cost calculator to get instant estimates for your Hampshire extension. Calculate build costs from £1,800-£3,200/m², design fees, and total project costs. Updated for 2025 prices.
Kitchen Extension Cost Hampshire 2025: Complete Budget Guide
How much does a kitchen extension cost in Hampshire? Complete 2025 pricing guide covering build costs (£45,000-£90,000), design fees, and kitchen fitting. Use our free calculator for your exact estimate.
Two-Storey Extension Cost Hampshire 2025: Complete Budget Breakdown
How much does a two-storey extension cost? Hampshire 2025 pricing: £70,000-£150,000 for typical projects. Build costs £1,600-£2,800/m², structural requirements, and design fees explained. Get your free estimate.
Open Plan Kitchen Extension Ideas: How Hampshire Families Are Transforming Their Homes
An open plan kitchen extension is the most popular way to add space and value to your Hampshire home. Discover layout ideas, costs, and planning tips from our extensive experience designing family extensions.
Home Extensions in St Albans: Navigating Conservation Areas, Planning & Design
St Albans has 28 conservation areas and strict planning requirements. Our complete guide helps homeowners understand what's possible, what it costs, and how to get planning approval for your extension project.
Loft Conversions in Hampshire: The Complete 2026 Guide to Adding a Bedroom Without Moving
A loft conversion is the most cost-effective way to add a bedroom and bathroom to your Hampshire home. Our complete guide covers types, costs, planning rules and everything you need to know before converting your loft.
Loft Conversion Design in Hampshire: What You Need Before You Appoint a Builder
Before you ask a builder to price your loft conversion, you need drawings. This guide explains what architectural drawings a loft conversion requires, what the planning process involves, and how Hampshire Build's fixed-fee service works.
Dormer vs Velux vs Hip-to-Gable: Which Loft Conversion Is Right for Your Hampshire Home?
Three main loft conversion types, three different costs, three different planning outcomes. This guide explains which type suits your Hampshire property and what each one involves.
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