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Construction activity in Ireland is moving unevenly rather than in one clear direction. Provisional CSO data for Q2 2026 show total production volume up 0.4% from Q1 but down 3.4% year on year: residential and civil-engineering output increased, while non-residential building fell sharply. That mixed pattern helps explain why costs, employment and delivery schedules can all send apparently conflicting signals.
What construction activity means in the Irish statistics
“Construction activity” is not a single measure. The Central Statistics Office (CSO) Production in Building and Construction Index (PBCI) is a quarterly, short-term indicator of private-sector building and construction. Its volume index removes price effects with a construction price deflator; its value index reflects the value of work done. The series uses 2021 as its base year (100), can be volatile from quarter to quarter, and does not line up perfectly with every other national construction indicator because the definitions and timing differ.
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For Q2 2026, the seasonally adjusted volume index was 106.7, compared with 106.3 in Q1 2026 and 110.4 in Q2 2025. The value index was 130.9, 1.1% higher than the previous quarter but 0.6% lower than a year earlier. These Q2 figures were provisional and based on early returns.
The latest output split by subsector
| Measure | Q2 2026 change from Q1 2026 | Q2 2026 change from Q2 2025 |
|---|---|---|
| Total production volume | +0.4% | -3.4% |
| Residential production volume | +5.5% | +12.6% |
| Civil-engineering production volume | +3.1% | -4.4% |
| Non-residential building production volume | -9.7% | -18.0% |
The result is an uneven market: housing-related production was stronger than a year earlier, civil engineering rose in the quarter but remained below its annual level, and non-residential work contracted substantially. Residential production also includes existing buildings, repairs, improvements, maintenance, retrofits, solar-panel installations and extensions. It is therefore not a count of newly built homes.
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How activity affects building costs
Higher activity can put pressure on labour, materials, plant, utilities and subcontractor capacity, but the available Irish evidence does not produce one universal percentage by which every project becomes more expensive. Three different measures are often incorrectly treated as interchangeable: input-cost reports, project-price expectations and tender-price indices.
Input costs and contractors’ expectations
The Construction Industry Federation (CIF) surveyed 138 companies for its Q2 2026 outlook. Ninety-four per cent said raw-material costs had increased in Q1 2026, and 96% expected further increases in Q2. Sixty-six per cent reported higher project pricing, while 72% expected project prices to rise further. These are responses and expectations from surveyed firms, not a national index of final project outturn costs.
Tender-price movement
Buildcost’s Construction Cost Guide for the first half of 2026, citing the Society of Chartered Surveyors Ireland (SCSI) Tender Price Indices, reported 2.5% tender-price inflation in the 12 months to the end of 2025. Its regional annual movements were different:
| Region | Annual tender-price movement reported by Buildcost |
|---|---|
| Connacht/Ulster | +3.8% |
| Munster | +3.5% |
| Dublin | +1.0% |
| Leinster excluding Dublin | +0.5% |
Those figures describe tender prices, not the final cost of every building. A project’s contract sum can also reflect its specification, site conditions, design changes, financing, procurement route, risk allowances and the point at which tenders were received. Buildcost described the market as relatively stable while identifying labour, utilities, infrastructure and planning capacity as constraints through 2026.
Why “more activity” does not equal a fixed cost premium
Production volume measures the amount of work; the value index measures that work at prices; a tender index measures quoted prices; and a raw-material survey records firms’ experience. None of those alone proves that a particular project’s budget rose by the sector average or that activity caused the increase. The defensible conclusion is that Irish contractors are reporting cost pressure and that tender prices have risen modestly overall, with meaningful regional variation.
What the market means for construction jobs
Construction is a major employer, but employment statistics also use different definitions and reference periods.
Employment in 2024
In Construction: A National Accounts Perspective 2024, published by the CSO on 18 September 2025, construction gross value added (GVA) grew by 6% in 2024 to €14.3 billion. The release recorded 171,676 people employed in construction, up 2.8% from 2023. More than 6% of employed people in Ireland worked in the sector, slightly below the European Union average cited by the CSO.
Employment did not move equally across subsectors. Construction-of-buildings employment increased by 12%, while civil-engineering employment decreased by 14%. Electricians and electrical fitters, carpenters and joiners, and construction and building trades were among the leading occupations listed by the CSO.
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The 2025 Labour Force Survey estimate
A later CSO comparison reported 189,200 people employed in construction in 2025, using the Labour Force Survey reference period of April to June and NACE Rev. 2. The accompanying comparison described an 18.3% increase between 2024 and 2025. Because this is a quarter-based Labour Force Survey estimate, it should not be read as identical to the 2024 national-accounts employment figure or as a precise annual payroll count.
What firms reported in early 2026
In the CIF Q2 2026 survey, 22% of responding companies said employment increased in Q1 2026. Twenty-two per cent expected to increase staffing in Q2, and 65% expected no change. These percentages describe the 138 surveyed firms’ reports and expectations; they are not an official count of jobs across Ireland.
Taken together, the evidence supports a sector that creates substantial employment and has recently shown strong employment readings, but with hiring shaped by the type of work available. A residential-building surge can support different trades and locations than a civil-engineering programme, and a fall in non-residential work can affect specialist contractors even while national employment remains high.
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Why completions and commencements can move in opposite directions
Housing delivery data illustrate why activity indicators must be tied to project stage. The CSO recorded 36,215 new dwelling completions in 2025, up from 30,124 in 2024. It also recorded 16,412 house commencements in 2025, down from 69,311 in 2024.
| Housing measure | 2024 | 2025 | Change |
|---|---|---|---|
| New dwelling completions | 30,124 | 36,215 | +20.2% |
| House commencements | 69,311 | 16,412 | -76.3% |
A high completion count can reflect projects that started earlier, whereas commencements indicate work entering the pipeline now. The CSO also cautions against directly comparing its production index with dwelling completions: work on a residential building may continue over several months, while a dwelling is counted as complete only when it has been connected to the ESB electricity network. A change in one series therefore does not automatically predict the same change in another.
How activity and constraints affect project timelines
Industry commentary points to schedule pressure, but the cited evidence does not establish a typical delay in months or a project-level cost premium caused by any single constraint.
Pipeline uncertainty
In an August 2026 statement, CIF chief executive Andrew Brownlee said: “Project delays and persistent uncertainty across the future project pipeline continue to be significant challenges, affecting the industry’s ability to plan, invest and maintain the capacity needed to deliver housing and infrastructure at the scale Ireland needs.” An unpredictable pipeline makes it harder for firms to retain crews, order materials at the right time and commit to equipment or subcontractors. Those planning effects can show up as mobilisation gaps or rescheduling, but CIF did not quantify a national average delay.
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Grid connections and infrastructure interfaces
CIF also identified grid constraints and connection delays. For a housing or commercial scheme, an electricity connection can be a prerequisite for occupation and, in the CSO’s definition, for counting a dwelling as complete. A project may therefore be physically advanced while waiting for an external connection or other infrastructure interface.
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Planning, labour and utilities
Buildcost identified labour, utilities, infrastructure and planning capacity as constraints through 2026. These factors affect different parts of a programme: planning capacity can delay permission or condition discharge; labour shortages can slow specialist packages; utilities can affect both temporary works and permanent commissioning; and infrastructure works can sit outside the main contractor’s direct control.
What cannot be concluded
- There is no supported national figure for the typical number of months an Irish construction project is delayed.
- The available statements do not isolate the effect of grid connections, planning, labour or materials on a particular project.
- Sector-level tender inflation should not be applied mechanically to a project’s final account.
- Higher employment or output in one subsector does not prove that every contractor has a larger pipeline.
A practical framework for interpreting Irish market reports
When two reports appear to disagree, check the following before drawing a conclusion:
- Measure: establish whether the figure is production volume, production value, a tender-price index, an input-cost survey response, an employment estimate, a commencement or a completion.
- Period: separate quarter-on-quarter, year-on-year and annual comparisons. A project can be completing work today that commenced years earlier.
- Sector: identify whether the result covers residential, non-residential, civil engineering or specialist contracting.
- Geography: national output and regional tender movements answer different questions. The 2026 tender figures ranged from 0.5% in Leinster excluding Dublin to 3.8% in Connacht/Ulster.
- Evidence type: distinguish an official statistical estimate from a survey response or an industry body’s interpretation.
- Project stage: commencement, ongoing production and completion are separate points in the delivery cycle.
- Status: mark provisional data, such as the CSO’s Q2 2026 output indices, as subject to revision.
What this means for clients, contractors and policymakers
For clients preparing a budget
- Use a current, location-specific tender benchmark rather than assuming a national average applies to your scheme.
- Keep separate allowances for design development, inflation, utilities, planning conditions and site-specific risks.
- Ask whether a quoted price is fixed, indexed or subject to defined material-adjustment clauses.
- Test the programme against external dependencies, especially grid connections and infrastructure works.
For contractors planning capacity
- Track the subsectors that supply your work: residential growth does not offset a fall in non-residential demand for every trade.
- Separate confirmed orders from expected pipeline when hiring or reserving plant.
- Build procurement and labour plans around the actual project sequence, not just headline national output.
For public decision-makers
The figures suggest that capacity and delivery policy must account for timing. A fall in commencements can eventually reduce future completions, but the effect will not appear immediately. At the same time, resolving grid, planning and infrastructure bottlenecks can matter as much as supporting headline construction volume.
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Construction activity affects Irish building costs through demand for materials, labour and contractor capacity, but current evidence supports a measured conclusion rather than a universal uplift. Firms reported widespread raw-material and project-price pressure in early 2026, while SCSI-based tender data cited by Buildcost showed 2.5% inflation nationally over the 12 months to the end of 2025 and substantial regional variation.
Activity supports jobs, and construction employed 171,676 people in the CSO’s 2024 national-accounts release and 189,200 in the April–June 2025 Labour Force Survey estimate. Those figures come from different statistical frameworks, while subsector employment moved in opposite directions.
Timelines are influenced by pipeline uncertainty, grid connections, planning, labour and infrastructure capacity. Industry sources identify those constraints but do not provide a reliable typical delay duration. The most accurate way to read Ireland’s market is therefore to match each number to its measure, period, sector, geography and project stage before using it to price or schedule a real building.
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