Co. Dublin · fibreglass roofing
Fibreglass Roofing in Dublin
A GRP or warm flat roof in Dublin runs €4,500 to €9,500+, 15 to 25% above rural prices. A typical flat roof job here is €3,800 to €10,500, and GRP is laid at €75 to €140 a m².
GRP roofers covering Dublin city, Swords, Balbriggan and all of Co. Dublin. Tell us the job and one local company rings you with a written price.
Free, no obligation. One local company prices it, not five.
- €4,500 to €9,500+a GRP or warm flat roof in Dublin
- 3.0%of Dublin houses on the BER have a flat main roof
- 51 mmof rain in April, Dublin city centre's driest month from April to September
- 753 mmof rain a year in Dublin city centre
What GRP costs in Dublin
Dublin prices run 15 to 25% above rural prices.
| Job | Typical cost | What moves the price |
|---|---|---|
| A GRP or warm flat roof | €4,500 to €9,500+ | The band for Dublin |
| A typical flat roof job | €3,800 to €10,500 | Any membrane |
| GRP on a kitchen extension, 30 to 40 m² | €3,800 to €6,500 | The upstand at the house wall, rooflights |
| Single garage, 15 to 25 m² | €1,800 to €5,200 | GRP sits in the upper half of this range |
| GRP over the old roof | €1,800 to €5,000 | Only over a dry, sound deck |
| Repair: a crack, a trim, an outlet | €250 to €900 | Finding it; a dry day to re-laminate |
Roofing work on a house is at 13.5% VAT. The written price comes after a look at the roof.
Rain and GRP in Dublin
Dublin city gets 753 mm of rain a year, among the lowest figures in Ireland. Dublin city centre ranks 26th wettest of the 26 county towns here. Its driest month from April to September is April, at 51 mm, which is when a GRP roofer can most count on a dry day to lay the laminate.
Met Éireann's 1991–2020 averages, within 3 km of each town.
Houses and flat roofs in Dublin
- 3.0%of Dublin houses built before 2011 have a flat main roof: 1st of 26 counties
- 49%of Dublin homes built before 1981, against 42% nationally
- 27%built in 2001 or later
- 378,215households in a house in Dublin (Census 2022)
That's about 4,216 of the 140,532 Dublin houses on the BER register with a flat main roof. Far more have a flat roof on an extension, garage, porch or dormer, which the register doesn't count. Older extensions are mostly felt: the roofs that most often go over to GRP when they're replaced.
The largest towns: Dublin city (1,263,219), Swords (40,776), Balbriggan (24,322), Malahide (18,608), Rush (10,875). We cover every one of them, and the countryside between.
Counties with similar roofs
- Fibreglass roofing Wicklow2.7% flat main roofs; Bray 896 mm of rain a year.
- Fibreglass roofing Wexford2.7% flat main roofs; Wexford town 1,021 mm of rain a year.
- Fibreglass roofing Louth2.3% flat main roofs; Drogheda 831 mm of rain a year.
- Fibreglass roofing Cork2.5% flat main roofs; Cork city 1,109 mm of rain a year.
GRP jobs we cover
New GRP roofsStrip the old roof and lay GRP. €75 to €140 a m².More on new grp roofs →
GRP over an existing roofOnly over a dry, sound deck. €1,800 to €5,000.More on grp over an existing roof →
Garage roofsThe commonest roof to go over to GRP. €1,800 to €5,200.More on garage roofs →
Extension roofsWith insulation over a heated room. €3,800 to €6,500 for 30 to 40 m².More on extension roofs →
Dormers and balconiesSmall roofs with lots of edges, and roofs you stand on.More on dormers and balconies →
GRP roof repairCracks, trims, outlets. €250 to €900.More on grp roof repair →Fibreglass roofing in every county
- Carlow1.4% flat main roofs
- Cavan0.8% flat main roofs
- Clare1.2% flat main roofs
- Cork2.5% flat main roofs
- Donegal1.0% flat main roofs
- Dublin3.0% flat main roofs
- Galway1.2% flat main roofs
- Kerry1.8% flat main roofs
- Kildare1.0% flat main roofs
- Kilkenny1.4% flat main roofs
- Laois1.2% flat main roofs
- Leitrim1.2% flat main roofs
- Limerick1.6% flat main roofs
- Longford0.9% flat main roofs
- Louth2.3% flat main roofs
- Mayo2.3% flat main roofs
- Meath1.3% flat main roofs
- Monaghan0.9% flat main roofs
- Offaly1.3% flat main roofs
- Roscommon1.2% flat main roofs
- Sligo1.4% flat main roofs
- Tipperary1.6% flat main roofs
- Waterford2.2% flat main roofs
- Westmeath1.5% flat main roofs
- Wexford2.7% flat main roofs
- Wicklow2.7% flat main roofs
Free quote
Get a price in 4 taps
Tap what you need and leave your number. It goes to one flat roofing company that covers your county, and they ring you back to arrange a look and a written price.
Questions people ask
How much does a fibreglass roof cost in Dublin?
A GRP or warm flat roof in Dublin runs €4,500 to €9,500+. GRP is laid at €75 to €140 a m². The written price depends on the size, the deck and the details.
Do you cover all of Dublin?
Yes. Requests from anywhere in Co. Dublin, including Dublin city, Swords, Balbriggan, go to one flat roofing company that covers your county.
When should a GRP roof go on in Dublin?
In a dry spell. GRP can't be laid in the wet. In Dublin city centre, April is the driest month from April to September.
Do I need planning permission to re-roof in Dublin?
Not to re-cover a flat roof the same way. Raising it, changing its shape or work on a protected structure is a question for Dublin City Council or your county council.
Get a free price for a GRP roof
One local flat roofing company, a look at the roof, a written price. Free, no obligation.