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Knowledge Hub
Straight answers on planning, Building Regulations, costs and build quality, written by the team who design and build garden rooms and home extensions across the West Midlands.
- West Midlands
- 20+ years' experience
- Fixed, itemised quotes
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Find what you need, fast
Our guides are grouped into three areas. Start with the one that matches where you are, or jump straight to a topic below.
Using Your Garden Room
Home offices, gyms, studios and salons. Plan your room around how you will actually use it.
Legal & Compliance
Planning permission, Building Regulations and boundaries explained in plain English.
FAQs & Resources
Quick answers to the questions we get asked most, from costs to timescales.
Planning & regulations
Planning, Building Regs & boundaries
Most garden rooms are built under permitted development, but the rules on height, position and size matter. These guides explain where the lines are.
Do you need planning permission?
Permitted development, height limits and when you need to apply.
Building Regulations explained
The 15m² and 30m² thresholds, and what Building Control checks.
Garden rooms and your boundary
How close you can build, and what changes within 2m of a boundary.
All legal & compliance guides
Every planning and regulations guide in one place.
Costs & finance
What a garden room really costs
Honest figures and what drives them, so you can set a realistic budget before you speak to anyone.
How much does a garden room cost?
Typical price ranges by size and specification in 2026.
Cost per square metre
What affects the price per m², and where the money goes.
Garden room vs conservatory vs extension
How the three compare on cost, timescale and use.
Can you get finance?
The options for spreading the cost of a garden room.
Build & specification
How a quality garden room is built
What goes into a room that is warm, dry and built to last, from the ground up.
Garden room foundations explained
Ground screws, concrete bases and timber frames compared.
Insulation & heating
How to keep a garden room comfortable all year round.
Electrics, plumbing & utilities
Power, data, water and drainage, and who can install them.
How long does it take to build?
A realistic timeline from first visit to handover.
Ideas & uses
Ideas for how you will use it
Inspiration and practical advice for the most popular ways our customers use their garden rooms.
The ultimate garden office guide
Size, layout, connectivity and comfort for working from home.
Garden room home gym
Flooring, ventilation and space planning for a home gym.
Garden studios for creatives
Light, storage and layout for art, photography and craft.
Beauty & salon garden rooms
What to plan for when running a business from your garden.
Can’t find your answer?
Every garden and every home is different. Tell us what you have in mind and we will give you straight answers, a free site survey and a fixed, itemised quote.
