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Local Electoral Area · Fingal County Council

Construction leads in Castleknock

322 planning applications and commencement notices in Castleknock in the last twelve months, across 6 electoral divisions. 419 sites are on site right now. Updated weekly from the Fingal planning register and the national building control register.

322
Leads, 12 months
419
On site now
€178m
Pipeline value
Boundary: CSO / Tailte Eireann 2022
Every lead in Castleknock, on the map

Pro opens the map filtered to this area: every site pinned, scored and sized, with the area shading, trade filters and alerts for new filings.

Top trades in Castleknock

The work the last twelve months of filings call for, by trade.

Electrical
237 leads
Plumbing & Heating
232 leads
Flooring
225 leads
Painting & Decorating
225 leads
Plastering, Rendering & Dry Lining
225 leads
Carpentry & Joinery
224 leads
Masonry & Blockwork
197 leads
Roofing
197 leads

The housing stock in Castleknock

15,780 households in Census 2022, set against the national figure (the dark tick). Older homes on oil and solid fuel are where retrofit demand sits.

Age and occupancy

Built before 198030.2%Ireland 41.7%
Built before 19191.1%Ireland 8.6%
Built 2011 or later8.8%Ireland 7.9%
Vacant homes3.6%Ireland 7.7%
Holiday homes0.2%Ireland 3.2%

Central heating fuel

Oil11.9%Ireland 40.9%
Mains gas76%Ireland 34.5%
LPG0.2%Ireland 0.7%
Electric10.8%Ireland 12.4%
Solid fuel (coal, peat, wood)0.4%Ireland 9.4%
Other fuel0.3%Ireland 1%
No central heating0.4%Ireland 1.2%
Renewable energy source16.4%Ireland 25.7%

Tenure

Owner occupied69.7%Ireland 68.9%
Private rented22.5%Ireland 18.8%
Social rented6.8%Ireland 10.4%
Pobal deprivation score
+5.49

Relative affluence above the national average (0). A household-weighted mean of Electoral Division scores. Pobal HP Deprivation Index 2022, CC BY 4.0.

Source: CSO Census 2022, Small Area Population Statistics, CC BY 4.0. Shares are rolled up from each electoral division, weighted by households (dwellings for vacancy).

Recent planning applications in Castleknock

  1. 13 Diswellstown Grove, Hamilton Park, Dublin 15, D15HY9W
    Construction of a single-story rear extension to accommodate a kitchen/Dining/Living Space & all associated site work.
    Lodged
    FW26A/0386EReceived 8 Oct 2026Decision due 2 Dec 2026
  2. Brooklin View, Somerton Lane, Castleknock, D15 V8WC
    A freestanding shed with a floor space of 4.5sqm. The shed is made from timber with a natural slate roof. It is used to store items such as bicycles…
    Closed
    FW26A/0382EReceived 4 Oct 2026Decision due 27 Nov 2026
  3. 13 Diswellstown Grove, Hamilton Park, Dublin 15, D15 HY9W, D15HY9W
    Construction of a single-storey rear extension to accommodate a kitchen/dining/living space side & all associated site works.
    Closed
    FW26A/0381EReceived 3 Oct 2026Decision due 27 Nov 2026
  4. First Floor, Unit 2, Coolport, Porters Road, Colmine Industrial Estate, Dublin 15, D15 PC9Y
    Change of use from 'offices ancillary to a light industrial unit' to 'general office' use and associated site works.
    Lodged
    FW26A/0378EReceived 2 Oct 2026Decision due 26 Nov 2026
  5. 19 Oak Lawn, Castleknock, Dublin, D15 K44W
    Permission is sought by [name removed] at 19 Oak Lawn, Castleknock, D15 K44W for (1) Planning Permission for the demolition and reconstruction of an existing…
    Lodged
    FW26A/0373EReceived 1 Oct 2026Decision due 25 Nov 2026
  6. Ardfield, Outfarm Lane, Castleknock, Dublin 15, D15 RDF7
    Construction of a single storey rear extension, internal alterations and all associated site works
    Lodged
    FW26A/0374EReceived 1 Oct 2026Decision due 25 Nov 2026
  7. 1 Rokeby Park, Laraghcon, Lucan, Co. Dublin, K78 KX63
    for the construction of a new detached single storey 2 bedroom pitched roof bungalow to the rear of the existing house with a new front boundary wall and a new…
    Closed
    FW26A/0376EReceived 1 Oct 2026Decision due 25 Nov 2026
  8. 15 Hazel Lawn, Blanchardstown, Dublin 15, D15P7KD
    (a) Widen the existing vehicular entrance (b) Open a separate pedestrian entrance to the existing front boundary and (c) To open a new window opening…
    Lodged
    FW26A/0364EReceived 24 Sept 2026Decision due 18 Nov 2026
  9. Winterwood, Carpenterstown Road, Dublin 15, D15YH4C
    Compliance with Condition 21(a) of Register Ref LRD0056/S3E (ACP-322813-25) - Section 47
    Lodged
    LRD0056/S3E/C20/21aReceived 23 Sept 2026Decision due 18 Nov 2026
  10. 1 Saint Brigids Park, Blanchardstown, Dublin 15, D15 R7NF
    Compliance with Condition No. 9 of FW25A/0195E
    Lodged
    FW25A/0195E/C1/9Received 15 Sept 2026Decision due 9 Nov 2026
Every Fingal application, by week

Who is building in Castleknock

The organisations behind the most applications in this area.

  1. 1Blanche Retail Nominee Limited34 applications
  2. 2Developments LTD19 applications
  3. 3Castlethorn Developments Luttrellstown Limited13 applications
  4. 4Flynn & O'Flaherty Construction11 applications
  5. 5CWP Investments Ltd7 applications
  6. 6Aeval Unlimited Company5 applications
  7. 7Glenveagh Homes Ltd4 applications
  8. 8Luttrellstown Castle Unlimited Company4 applications

Electoral divisions in Castleknock

  • Blanchardstown-Coolmine
  • Blanchardstown-Delwood
  • Blanchardstown-Roselawn
  • Castleknock-Knockmaroon
  • Castleknock-Park
  • Lucan North

More in Fingal

Fingal County Council planning applicationsConstruction leads in DublinBalbrigganBlanchardstown-MulhuddartHowth-MalahideOngarRush-LuskSwords

Working in Castleknock?

Lead figures count planning applications and commencement notices received in the last twelve months inside this area's boundary; pipeline value is the estimated build value behind them. Applicant names of private individuals are never shown; organisations only. Boundary: CSO / Tailte Eireann National Statistical Boundaries 2022, CC BY 4.0.

Get Castleknock's leads, filtered to your trade.

Every site on the map, scored and sized, with alerts the week a new one is filed.