Planning Permission Ireland
GrantedApartmentsDecided 26 March 2026

0.044 Ha site at No. 23 Rockhill, Blackrock, Co. Dublin

Partial demolition, extension, and change of use to create a mixed-use residential and retail development in Blackrock.

D21A/0729/E · Dun Laoghaire Rathdown County Council · Lodged 30 January 2026

Reference
D21A/0729/E
Authority
Dun Laoghaire Rathdown County Council
Register status
Decided
Type
Extension Of Duration Of Permission
Received
30 January 2026

Summary

AI-generated

The development comprises the demolition of 58 sq m and the construction of 1,036 sq m over existing levels and a new vertical extension. It includes the retention and part change of use of 1,007 sq m to provide 1,761 sq m of residential use and 282 sq m of retail use.

Apartmentsdemolitionretailapartmentsextension
Floor area
1,036 m²

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

  • Permission for development. The development will comprise: the demolition of 58 sq m (split over level nos
  • 1, 0 and 1); the construction of 1,036 sq m (over 5 no. Existing levels and a vertical extension to accommodate 2 no. New levels); and the retention and part change of use of 1,007 sq m to provide a development comprising 1,761 sq m of residential use and 282 sq m of retail use. The development will principally consist of: at level no
  • 3, the further excavation and extension of the basement (113 sq m) to provide residential facilities and a plant room (123 sq m); at level no
  • 2, the demolition (16 sq m), further excavation and extension (134 sq m) and change of use from storage to residential (104 sq m) to provide a total residential area of 238 sq m; at level no
  • 1, the demolition (13 sq m), further excavation and extension (87 sq m) and change of use from part storage and part retail to part residential and art retail (221 sq m) to provide a total residential area of 241 sq m and retail area of 67 sq m; at level no
  • The demolition (16 sq m), extension (37 sq m) and change of use of ground floor from part office use and part retail use to part residential is and part retail use (340 sq m) to provide a total residential area of 162 sq m and retail area of 215 sq m at this level; at level no. 1, demolition (13 sq m), extension (21 sq m) and change of use of the first floor from office use to residential use (332 sq m) to provide a total residential area of 353 sq m; and a vertical extension of 2 no. Floor levels (353 sq m and 290 sq m) to pride residential; use at new levels no. 2 and
  • There are 13 no. Residential units [proposed comprising 12 no. Two beds and 1 no. Three bed ranging in size from 75 sq m to 127 sq m. The proposed balconies and roof terraces face north and south. The development will also comprise of: elevational works; signage; retractable awning; cycle parking; bin storage; lighting; plant; green roofs; and all associated site works above and below ground

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
Killakee, Torquay Rd, Foxrock Dublin 18Apr 2025€1,520,00027 m
17 Carraig Court, Georges Ave, Blackrockprice excludes VATFeb 2025€330,000110 m
15 Carraig Court, Georges Ave, BlackrockOct 2025€551,000110 m
1 Frascati Park, Blackrock, DublinJun 2025€1,055,000211 m
Apt 29 Lisalea, Frascati Park, BlackrockAug 2025€515,000241 m
20 Lisalea, Frascati Park, BlackrockJul 2026€502,290241 m
32a Temple Road, Blackrock, DublinOct 2025€275,000253 m
10 Idrone Terrace, Blackrock, DublinJan 2025€2,450,000264 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 received30 January 2026
  2. Decision due26 March 2026
  3. Decision issued26 March 2026

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