Planning Permission Ireland
Awaiting decisionAlterationsDecision was due 23 April 2026

23, Holy Rosary Convent, Cross Avenue, Dublin, A94TV27 (Protected Structure)

Internal and external refurbishment works to a protected convent building in Blackrock.

D26A/0146/WEB · Dun Laoghaire Rathdown County Council · Lodged 25 February 2026

Reference
D26A/0146/WEB
Authority
Dun Laoghaire Rathdown County Council
Register status
In progress
Type
Permission
Received
25 February 2026

Summary

AI-generated

The development involves extensive works to a protected structure at Holy Rosary Convent. Works include internal layout reconfiguration, window replacements with timber sash replicas, brick repointing, roof repairs, and upgrading the heating system from oil to gas.

Alterationsprotected structurerefurbishmentheritage

Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.

Official record

Development description

  • A) removal of non-original internal partitions, reconfiguration of the internal layout, and associated repairs; b) re-plumbing and rewiring of the dwelling based on the revised layout; c) changing of heating system from oil to gas; d) works to existing window openings including
  • Replacement of 5 no. Non-original casement windows at the first floor with new timber sash replica
  • Replacement of existing non original glass with slim-lite double glazing to existing sash windows
  • Replacement of one original timber sash window to the lower ground floor existing side extension
  • Amendments to existing window and door openings at the lower ground floor – rear- north & side-east facades; e) external improvement works to include
  • Repointing to the brick front façade & side corners
  • Cleaning and repointing of the existing granite steps, window cills & balustrade
  • Re-flauching and re-pointing of the chimneys
  • Refurbishment of the timber corbels, cornicing & parapets
  • Repair works to existing slate roof, valleys and rainwater goods, and insulation of existing roof
  • Repairs and painting of the rear and side unpainted rendered façade; and f) all ancillary works necessary to facilitate the development, inclusive of landscaping and engineering. The subject property is a protected structure (rps no. 100)

Land-use zoning

What this land is zoned for

Objective ARS
A To provide residential development and improve residential amenity while protecting the existing residential amenities

Objective set by the COUNTY DEVELOPMENT PLAN 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.

Read the zoning objectives in the development plan

Built & sold

What happened next

Beyond the decision: whether this development was built, and what property here has sold for.

Recent sales nearby

within 500 m
Residential Property Price Register sales within 500 metres of this site
AddressDatePriceDistance
23 Cross Avenue, Blackrock, Co DublinDec 2025€2,375,0009 m
12 Pinehaven, Cross Avenue, BlackrockJan 2026€1,340,00073 m
9b Rosemount Terrace, Booterstown, Co DublinApr 2025€795,000135 m
6 Willowmount, Booterstown, DublinApr 2025€1,650,000153 m
38 Hampton Crescent, St Helens Wood, Booterstown DublinApr 2026€1,100,000183 m
8 Hampton Crescent, St Helens Wood, BooterstownMay 2026€840,000207 m
37 Rosemount Court, Booterstown, Co DublinMar 2025€590,000212 m
33 Rosemount Court, Booterstown Ave, BlackrockMar 2025€490,000216 m

Nearby properties, not this site — a guide to local values.

Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.

Key dates

Timeline

  1. Application received25 February 2026
  2. Decision due23 April 2026

In the area

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