Turnkey Modular Granny Flats in Ireland: Independent Living, Done For You
Turnkey modular granny flats in Ireland — a complete design, planning, delivery and installation service for modular ancillary units built for independent living.

Looking for the full picture? Read our guide to granny flats in Ireland.
Turnkey Modular Granny Flats in Ireland
A turnkey modular granny flat is a complete, end-to-end service — design, planning, manufacture, delivery and installation — giving an older relative or adult child a self-contained home in your garden, with every detail handled for you. This guide explains what turnkey means, what's included, sizes, prices and how it works.
What Is a Turnkey Modular Granny Flat?
"Turnkey" means you turn the key and move in — every stage is handled by one builder, from first design to final handover. For a modular granny flat, that includes:
- Design — layout, size and finish tailored to your family
- Planning — planning application handled (where needed)
- Manufacture — factory-built to residential standard
- Delivery & installation — transported and craned into your garden
- Connections — electricity, water and wastewater
- Fit-out — kitchen, bathroom, heating, finishes
- Certification — BER, building regs compliance, warranty
Why a Turnkey Granny Flat?
1. One Builder, One Point of Contact
No chasing architects, planners, electricians and plumbers — one team handles everything.
2. Fixed Price
A turnkey granny flat comes with a fixed-price contract — no open-ended budget.
3. Fast
A turnkey modular granny flat is typically delivered and installed in 8–12 weeks from order.
4. Independent Living
A self-contained unit gives an older relative or adult child their own space, close to family but with independence.
5. Adds Value
A turnkey granny flat adds real value to your property — a permanent, certified, self-contained unit.
Turnkey Granny Flat Sizes and Prices
- Studio (15–25m²): from €35,000
- 1-bed (35–55m²): from around €60,000
- 2-bed (36–45m²): from around €80,000
Does a Granny Flat Need Planning?
A small ancillary garden structure (such as a home office or studio) may be planning-exempt up to 30m², provided it is not used as a self-contained dwelling. A detached auxiliary dwelling for a family member of 32–45m² may qualify for the Class 3A exemption (in force from 27 July 2026), subject to all applicable conditions. Larger units, or units to be let, generally need planning. We confirm the position and handle the application as part of the turnkey service.
See: Planning Permission Ireland and The 45m² Planning Exemption
Talk to Us About a Turnkey Granny Flat
At New Chapter Homes, our turnkey granny flat service covers every stage. Book a free consultation to talk through a granny flat for your family.
Key Granny Flat Resources
- Explore granny flats — our dedicated granny flats authority page.
- View Chapter One — 2 bed — our two-bedroom modular home, ideal for granny flat use.
- Read our planning guide — planning permission for granny flats.
- 45m² planning exemption guide — does your granny flat qualify?
- See modular home prices — indicative pricing for modular homes and granny flats.
Explore Our Modular Homes
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