Garden room or annexe
The short answer
Studios, offices, outbuildings
- Price from
- £15,000.00
- Time on site
- 1 to 2 hours (for initial consultation)
What you get
A comprehensive proposal and quote for designing and building a bespoke garden room or annexe tailored to your needs and garden space.
When do you need a Garden room or annexe?
You might need extra space for work or a place for family to live. The law has specific rules depending on how you use the building.
- Use as an office or gym.
- House a relative in an annexe.
- Create a quiet guest room.
- Add value to your property.
- Need a kitchen and bathroom.
What happens on the day
A specialist will visit your home to check if the project is possible. They will look at your garden to plan the build safely.
- Measure distances from your fences.
- Check if the ground is level.
- Look at soil for foundations.
- Plan electricity and water connections.
- Discuss heating like heat pumps.
- Check access for big trucks.
How to prepare
- Clear the proposed building area
- Find your property boundary lines
- Locate your main fuse box
- Identify outdoor water pipe locations
- Take photos of garden access
- Check for any underground cables
- List your must-have features
- Note any large nearby trees
How to improve your result
- Choose high quality double glazing
- Add thick floor and roof insulation
- Install energy efficient LED lighting
- Choose long lasting cedar cladding
- Add a smart heating controller
- Install a sturdy security lock
- Include plenty of power sockets
Why it is useful day to day
A well built garden room makes your daily life much easier. It gives you a dedicated space away from the main house.
- Separate work and home life.
- Stay warm with great insulation.
- Save on expensive house extensions.
- Increase your total living area.
- Enjoy a quiet hobby space.
Why we ask these questions
Your professional will guide you through the rules for your new space. They ensure your building is safe and legal.
- Need for full planning permission.
- Rules for sleeping in rooms.
- Fire safety and insulation levels.
- Connecting drains and pipes safely.
- Managing building waste and mess.
Frequently asked questions
Often needed alongside
Project manager
Run the build for you
Home extension
Single or double storey
Loft conversion
Dormer, hip-to-gable, Velux
Garage conversion
Turn garage into living space
Basement conversion
Cellar to habitable room
Knock-through & steel beams
Remove walls safely
Brickwork & walls
Walls, repointing, repairs
Underpinning & foundations
Stabilise and strengthen

