Attic hatch enlargement, relocation & airtight insulation.
Most Irish homes have a cramped 500×500mm push-up plastic or plywood trapdoor tucked inside a box room or tight against a bathroom wall.
An unsealed attic hatch is one of the largest single heat leaks in an Irish home — acting like a chimney that pulls warm radiator air straight into the vented roof space.
Free, no obligation. One local attic flooring specialist prices your job, not five.
- €480–€650Enlarge hatch + fit folding stairs
- €650–€850Relocate hatch + close old opening
- 0.51 W/m²KBest-in-class insulated trapdoor
- 2–4 HoursClean landing carpentry
2026 Irish Price & Specification Table
When does an attic hatch need enlarging or relocating?
Four common landing problems our specialists solve every day without requiring a separate plasterer.
| Job / Package | Typical 2026 Price | What Is Included |
|---|---|---|
| Raised loft boarding + Stira stairs package (15–25 m²) | €950 to €2,400 | Our most popular 1-day package: 270mm XL Loft Legs over 300mm mineral wool, 18mm P5 T&G chipboard deck, and insulated folding timber attic stairs. |
| Raised attic flooring on Loft Legs / XL Legs (supply & fit) | €55 to €85 a m² | Elevates the floor 175mm–300mm above ceiling joists so 300mm quilt insulation stays uncompressed and SEAI BER ratings are protected. |
| Structural timber counter-batten raised deck (175×44mm) | €70 to €105 a m² | Cross-battened C16 treated timber joists fixed perpendicular to ceiling ties for heavier storage loads and older cut-roof attics. |
| Standard T&G boarding directly onto deep joists | €42 to €62 a m² | Only suitable where ceiling joists are already 250–300mm deep or where rafter insulation is used instead of joist wool. |
| Stira-style insulated folding timber attic stairs (supplied & fitted) | €350 to €650 | EN 14975 3-section folding pine/beech ladder (150kg–160kg rating), insulated airtight trapdoor (U-value 0.55–0.85 W/m²K) and architrave. |
| Attic hatch enlargement, relocation or new opening | €180 to €340 | Trimming ceiling joists, fitting double timber trimmers, plasterboard making-good and draught-proof perimeter seals. |
| Heavy-duty concertina aluminium loft ladder (narrow landing) | €520 to €850 | Die-cast aluminium scissor ladder for tight box-room landings or high floor-to-ceiling heights up to 3.3m. |
| LED loft batten tube light + pull-cord/landing switch | €95 to €180 | 4ft or 5ft 18W–36W daylight LED vapour-proof batten wired to your upstairs lighting circuit. |
| Safety grab rail / timber hatch balustrade & eaves shelving | €140 to €320 | Perimeter handrail around the open hatch plus raised side-truss shelving bays. |
Technical Breakdown
Structural trimming & SEAI airtightness standards
Rotating a hatch 90 degrees on a narrow landing
If your ceiling joists run across the landing toward the top of the main stairs, a ladder unfolding along the joists would hit the banister. Cutting one joist and fitting double structural header trimmers lets the ladder unfold safely down the hallway.
Moving a hatch out of a bedroom or wardrobe
Many 1960s–1980s bungalows and semi-Ds put the attic hatch inside the smallest bedroom wardrobe. We frame a brand-new opening on the main landing and plaster-patch or fit an insulated flush panel over the old opening.
Stopping cold landing draughts & heat loss
Under TGD Part L and SEAI home upgrade standards, the attic hatch must be insulated and draught-stripped to match the surrounding ceiling. Factory-built folding stairs casings include 36mm–86mm insulation and continuous perimeter seals.
Hood tents & insulated hatch boxes
If you want to keep an existing push-up hatch without a folding ladder, installers can fit a rigid PIR insulated hatch hood or 200mm foam pillow on the back of the door plus compression draught excluder tape for €140–€240.
Calculate your attic flooring & stairs cost
Two taps: pick your approximate loft area and whether you need raised boarding over insulation, a Stira stairs package, or both.
Your attic area × our 2026 Irish price guide
€1,480 to €2,320
20 m² at €55–€85/m² plus €380–€620 for the insulated folding attic stairs & draught-proof hatch.
- Raised Loft Legs keep 300mm mineral wool uncompressed so your BER rating and SEAI grant compliance are protected.
- All panels are 18mm P5 moisture-resistant tongue-and-groove loft chipboard fitted in 1 day.
How this estimate is worked out
Our calculator multiplies your floor area by 2026 Irish supply-and-fit rates: €55–€85/m² for raised loft boarding on 175mm–300mm Loft Legs over mineral wool, €70–€105/m² for structural counter-battened decks, plus €380–€650 where an EN 14975 insulated folding attic stairs is included.
Get a free quote for your attic floor & stairs
Four quick taps and your number. Your request goes to one local attic flooring & loft boarding specialist covering your county, who rings you back with a fixed written price.
Attic Hatch Enlargement & Airtightness questions answered
Is it structurally safe to cut a ceiling joist to widen the attic hatch?
Yes, when carried out properly to carpentry regulations: the cut joist is supported at both ends by double-thickness structural timber header trimmers bolted onto the two adjacent uncut full-span joists using heavy-duty galvanized joist hangers.
Will widening the hatch leave a mess or require a plasterer?
No. When enlarging an existing hatch, the cut line is made neatly to the outer footprint of the new stairs casing, and wide mitred white architrave covers the plasterboard edge completely with zero wet plastering required.
What if there are lighting cables running across the hatch area?
The installer inspects above the ceiling first, unclips any domestic lighting cables or central heating pipes, and reroutes them safely around the new trimmer frame before cutting the plasterboard.
How much clearance is needed on the landing for a folding stairs?
A standard 3-section folding timber stairs needs 115cm to 135cm of floor landing space in front of the hatch and ~160cm of swing arc during unfolding. If your landing is tighter, a concertina or telescopic ladder needs zero swing arc.
Related attic flooring guides
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Attic flooring & Stira stairs across all 26 counties
Requests from all 26 counties go to one local attic flooring and loft ladder installer covering your county — from Dublin, Cork, Galway and Limerick to Kildare, Meath, Wicklow, Louth, Waterford and Donegal. Pick your county below for local prices, housing stock data and specifications. Compare all 26 counties covered →
Get a free quote for your attic floor & stairs
Four quick taps and your number. One local attic flooring & loft boarding specialist covering your county rings you with a fixed written price. Nothing is booked until you accept it.