Garden Rooms Ireland
5.0★ · 100+ ReviewsBespoke Garden
Rooms
Transform your garden into the room you’ve always wanted. From home offices to gyms and family rooms, we’ve been designing and building high-quality garden rooms across Dublin and Ireland since 2008.
New rules · July 2026
Garden rooms up to 30 m² and self-contained garden homes up to 45 m² can now be built without planning permission. Read the 2026 rules or see our 45 m² garden homes and granny flats.
Rooms We Build
A garden room, a garden house, a seomra: whatever you call it, we design and build it to suit your garden and your life. Pick the room that fits: a home office, a gym, a golf room, or a guest space.
Garden Room Prices in Ireland
A fully insulated, turnkey garden room from Modern Garden Rooms typically costs €24,000–€130,000 including VAT, depending on size and specification. The price covers the finished room: design, foundations, structure, insulation, glazing, electrics, heating and interior finish.
10–15 m²
Compact garden office
From
€24,000
A fully insulated, year-round home office with sliding doors, electrics, heating and a finished interior.
Garden offices15–25 m²
Standard garden room
From
€32,000
The most common build: a gym, studio, office or family room with full-height glazing and a bespoke finish.
Garden gym rooms25–30 m²
Large or multi-room build
From
€48,000
Up to the 30 m² planning-exempt limit, with internal walls, a WC or shower room, or a golf-simulator bay.
Golf simulator roomsUp to 45 m²
45 m² garden home
From
€90,000
A self-contained one- or two-bedroom garden home or granny flat with a kitchenette, bathroom and living space.
45 m² garden homesWhat Our Customers Say
Real reviews from people who use their garden rooms every day, straight from Google, word for word.
Built Around You
No two are the same. Every room is built to fit the garden and the way each family actually lives.
More room to live, just a few steps from your back door.
Built to Last
These aren’t garden sheds. We build on a steel-reinforced timber frame so your room stays solid for decades. From hard-wearing timber cladding to high-performance insulation, every material is chosen to last and look good for years.
Low-Maintenance Cladding
Treated timber that looks good for years, with no staining or repainting needed.
Warm All Year
Top-grade insulation keeps it comfortable in summer and winter, with low running costs.
How we insulate every roomHow We Build Your Garden Room
Four simple steps, the same every time, from your free site visit to the day you get the keys.
- 01
Stage 01
Free Site Visit
We come to you, look at your garden, and talk through what you need. Free, with no obligation.
- 02
Stage 02
Design
We create a 3D design and help you choose materials that suit your garden and your budget.
- 03
Stage 03
Build
We build the main structure off-site, then put it together in your garden quickly and cleanly.
- 04
Stage 04
Handover
We finish every last detail and hand over your new garden room, ready to use.
Get Started
Book your free site visit
5.0★ Google · 100+ reviewsBuilding since 2008