Garden rooms · Killumney
Garden rooms in Killumney
Garden rooms, garden offices and gyms in Killumney, with Ovens, west of Ballincollig. A small timber cabin is €6,700 to €9,000 room only; a fitted, insulated room is €25,250 to €41,000, VAT included. 46% of people at work in Killumney work from home, 2nd of the 34 Cork towns here.
Tell us the job and one vetted garden room company that covers Killumney rings you with a written price.
Free, no obligation. One local company prices it, not five.
- 46%of people at work in Killumney work from home (36% across the county)
- 100%of homes are houses, not flats
- 45%of homes have 4 or more bedrooms
- 1,110 mmof rain a year, 19th wettest of 34
Who builds here
Garden rooms and homes in Killumney
Killumney has one of the highest work-from-home shares in Cork: 46%, 2nd of 34. If that's you and the house has no spare room, a garden office is the usual answer.
100% of homes are houses (1st of 34), and 85% are owner-occupied. That's a lot of back gardens with room for one.
59% of homes were built in 2001 or later. Newer estates often have smaller, squarer gardens: check the 25 m² of open space before you pick a size. 45% of homes have 4 or more bedrooms, 2nd of 34.
Price guide
What a garden room costs in Killumney
Room-only prices are the building delivered and put up. Fitted prices are ready to use.
For a bigger room, a fitted 20 m² room is €32,000 and 25 m² €41,000, VAT included. Room only, a 4 × 4 m to 5 × 5 m cabin is €13,500 to €17,500.
| Job | Typical cost | What moves the price |
|---|---|---|
| Small timber cabin, 3 × 2 m to 3.4 × 2.5 m, room only | €6,700 to €9,000 | Wall thickness and glazing. Base and power extra |
| Garden office kit, flat pack | €5,600 to €16,798 | Model and size. Fitting, base and power extra |
| Timber cabin, 4 × 4 m to 5 × 5 m, room only | €13,500 to €17,500 | Size, doors and windows |
| High-spec eco room, 3 × 3 m to 4.2 × 4.4 m | €13,420 to €21,330 | Better glazing, doors and insulation |
| Insulated, fitted garden room, 12 to 25 m² | €25,250 to €41,000 | Size. VAT included, ready to use |
| Large garden room, over 5 × 5 m | €17,000 to €51,000 | Spec and size. Over 30 m² in total needs planning |
Weather
Rain in Killumney
Killumney gets 1,110 mm of rain a year and 384 mm from May to September. Any garden room here wants a sound roof, gutters and ventilation: a closed room gets damp.
Average rain each month in Killumney, 1991–2020: our mean of Met Éireann's 1 km grid around the town. May to September highlighted.
Planning
Planning in Killumney
Killumney is in the Cork County Council area. The rules are national, under Class 3:
- Behind the house. Nothing built forward of the front wall.
- 30 m² in total. The garden room plus any shed, garage or greenhouse already there. It was 25 m² before 27 July 2026.
- 25 m² of garden left to the back or side.
- Height. 3 m with a flat roof, or 4 m with a tiled or slated pitched roof.
- Finish. A structure to the side of the house matches the house.
- Use. Not lived in or slept in, and only for the enjoyment of the house: an office, gym, studio or playroom.
Not sure a room is exempt? Ask Cork County Council for a section 5 declaration: its answer in writing.
Free quote
Get a garden room price in 4 taps
Tap what you want and leave your number. It goes to one vetted garden room company that covers your part of Cork, and they ring you back to arrange a look and a written price.
Questions
Killumney questions
How much is a garden room in Killumney?
For a bigger room, a fitted 20 m² room is €32,000 and 25 m² €41,000, VAT included. Room only, a 4 × 4 m to 5 × 5 m cabin is €13,500 to €17,500.
Do you cover Killumney?
Yes. Requests from Killumney and around it go to one vetted garden room company that covers Killumney.
Do I need planning permission for a garden room in Killumney?
Not if it fits Class 3: behind the house, 30 m² in total, 25 m² of garden left, 3 m high with a flat roof, not lived in. For a definite answer, ask Cork County Council for a section 5 declaration.
Is a garden office worth it in Killumney?
46% of people at work in Killumney work from home. If you're one of them and the house has no spare room, an insulated, wired room at the end of the garden is the usual answer.
Who will ring me?
One garden room company that covers Killumney. Not a list, and not five firms. Nothing is agreed until you accept a written price.
Get a free quote for your garden room in Cork
One vetted company that covers your part of Cork rings you. Nothing is agreed until you accept a written price.