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01

Garages

A garage built to last: foundation, blockwork or frame, a roof that matches the house, and the doors, power and drainage sorted at the same time.

in short

AltHome builds detached and attached garages across Kerry, Cork and Limerick, in blockwork or timber frame, with a roof matched to the house and the doors, power and drainage done at the same time. The key decision is what it will be used for, because a workshop or office needs insulation and ventilation from the start. Most garages take four to eight weeks on site.

4 to 8 weeksTypical time on site
Priced on siteAfter a free survey
1-3 yrGuarantee on all work
Kerry · Cork · LimerickWhere the crew works

what to decide first

Block or timber frame, and what will you actually use it for?

Answer the second half first, because it decides everything else. A garage for a car and a lawnmower needs a slab, walls, a roof and a door. A garage that will hold a workshop, a gym or a home office needs insulation, a damp proof layer under and behind, ventilation, proper wiring and a floor you can stand on in February. Building it as the first and converting it later costs far more than building it as the second from the start, and the difference at the outset is smaller than people expect. On the structure: blockwork is heavier, quieter, and it matches most Irish houses without argument. It takes longer and needs a wider foundation. A timber frame on a concrete slab goes up faster, insulates more easily and suits a clad finish, and it is the better answer where access is tight or the ground is awkward. Both last if the detailing is right, and both fail early if the base is wrong. Which brings it back to the ground. The slab wants a proper sub base, a damp proof membrane, and a fall to the door so water runs out rather than in. Where the garage sits below the house or against a bank, land drainage matters more than the walls do. Doors are the part people choose by picture. An up and over door is cheapest. A sectional door lifts vertically and lets you park close. Roller doors suit narrow driveways. Any of them can be automated, and running the power while the walls are open costs a fraction of retrofitting it. Planning is usually straightforward: a domestic garage or shed to the rear or side can be exempt within limits on floor area, on height, and on how much open space is left around the house, and those limits are eaten into by anything else already built. Anything in front of the house line, or over the size limits, needs permission. We check it at the survey and tell you which one applies to your site.

Can it match the house?

Usually close, rarely exact. We match the roof covering, the render finish and the fascia colour, and that is enough for it to read as part of the house. Blocks and tiles made twenty years ago are not the same as the ones made now, and weathering finishes the difference. On a visible elevation we will show you the sample against the existing wall before ordering.

the work

What is included in building a garage?

  • Survey the site, check levels, access and where water goes.
  • Dig and pour the foundation, lay the sub base, membrane and slab with a fall to the door.
  • Build the walls in block or erect the frame, and lay the roof to match the house.
  • Fit the door, the windows and the guttering, and connect the rainwater to a soakaway or the existing drain.
  • Run power, lighting and sockets, and insulate where the building is going to be used as a room.
  • Make good the driveway and the garden, leave the site clean and take the waste with us.

4 steps

How long does it take to build a garage?

You get in touch

Ring, message or send the form with a photo. We answer the same day.

We come and look

A survey on site, then a written price that does not move once work starts.

We do the work

The work happens outside the house, so life indoors carries on. The noisy part is the first fortnight, digging and blockwork.

You sign it off

We walk the job with you, clear the site and leave the guarantee in writing.

asked

Garages: common questions

Do I need planning permission for a garage?

Often not, if it is behind the front of the house, within the size and height limits for domestic sheds and garages, and there is enough open space left around the house. Anything in front, anything larger, or a site that has already used its allowance needs permission. We measure what is there at the survey and tell you which side you are on, and where it is marginal we send you to the council before you spend.

Can you convert the garage I already have?

Yes, and it is common work: insulate the walls and roof, deal with the floor and the damp, close the door opening or replace it with a window, and rewire. The honest warning is that a garage built as a cold store rarely has the floor insulation a room wants, so the floor usually comes up.

How much does it add to the house?

We build, we do not value, and anyone who promises you a figure is guessing. What we can say is that a dry, insulated, powered building gets used, and an unheated block box with a leaking door gets filled with rubbish.

How much does it cost to build a garage?

The size, block or timber frame, the roof covering, the door, whether it is insulated and wired, and the ground conditions set the price. A garage built to be a usable room from day one costs more at the start and far less than converting it later. We give a written price after a survey.

Is a block garage better than a timber frame garage?

Block is heavier, quieter and matches most Irish houses. Timber frame goes up faster, insulates more easily and suits awkward sites or clad finishes. Both last decades if the base and detailing are right.

quote

Get a fixed quote for a garage

Tell us the address and what you want done. We work across Kerry, Cork and Limerick. We ring you back within one working day. Add photos and the price we send you will be tighter.

085 220 1422 · info@althome.ie

Written by the AltHome crew. Last reviewed September 2026.