Resources & Guides
Practical information about planning, costs, timelines, and the build process. All free, no sign-up required.
Quick Answers
The questions we get asked most often.
How much does a granny annexe cost?
Our annexes start from £90,000 for a studio, £110,000 for one bedroom, and £130,000 for two bedrooms. Zero VAT under the Caravan Act.
Do I need planning permission?
Most annexes fall under Permitted Development or the Caravan Act route. We assess your situation during our free consultation.
How long does it take to build?
Typically 12-18 weeks from contract to handover. Add 8-12 weeks if planning permission is required.
Why is there no VAT?
Our annexes qualify as caravans under the Caravan Act 1960, making them zero-rated for VAT. This is completely legal and HMRC-compliant.
What guarantees do you offer?
10-year structural guarantee, 12-month snagging period, and price lock for 6 months from quote.
What areas do you cover?
We serve London, Kent, Surrey, Sussex, Essex, and surrounding areas in South East England.
In-Depth Guides
Longer reads covering planning, financing, and the build process.
Complete Guide to Planning Permission
Everything you need to know about planning permission for granny annexes, including Permitted Development rights and when full planning is required.
Read guideUnderstanding the Caravan Act
How the Caravan Act 1960 removes VAT and simplifies planning for your annexe.
Read guideFinancing Your Annexe
Options for funding your granny annexe, including equity release, remortgage, and staged payments.
Read guideWhy Choose an Annexe
The practical, financial, and care benefits of a granny annexe.
Read guideBuild Quality Explained
How we build our annexes, including WarmWall insulation and the materials we use.
Read guideFrequently Asked Questions
Answers to the most common questions about granny annexes, costs, timelines, and the building process.
Read guideCompare the Costs
How annexe costs stack up against care homes and other options.
Care Costs vs. Annexe Cost
The average UK care home costs over £1,300 per week, or £67,000+ per year. A granny annexe is a one-off cost that, on paper, pays for itself within two years.
See Financial BenefitsAverage Annual Costs:
* One-bedroom annexe. One-time investment with no ongoing accommodation costs.
Key Facts About Granny Annexes
0%
VAT under Caravan Act
250mm
WarmWall Insulation
10 Years
Structural Guarantee
20+
Years Experience
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