Planning Permission Ireland
GrantedApartmentsDecided 6 July 2026

Saint Helen's, York Road, Dun Laoghaire, Dublin, A96Y838

Amendments to a permitted development to create eight apartments in Dun Laoghaire.

D26A/0240/WEB · Dun Laoghaire Rathdown County Council · Lodged 16 March 2026

Reference
D26A/0240/WEB
Authority
Dun Laoghaire Rathdown County Council
Register status
Decided
Type
Permission
Received
16 March 2026

Summary

AI-generated

The applicant seeks amendments to a previously permitted development. The changes include replacing two permitted maisonettes with eight apartment units (six studios, one 1-bedroom, and one 4-bedroom) in Block B, alongside minor site layout and landscaping modifications.

Apartmentsapartmentsamendmenthousing
Residential units
8

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

  • Amendments to previously permitted development reg. Ref. D25a/0284/web (acp-322865-25) as follows: (i) internal and external modifications to block b comprising: a minor increase in the building footprint (c. 2.3sqm), increasing the gfa from c. 459.2sqm to 467.8sqm; the provision 8 no. Apartment units replacing the 2 no. Permitted six-bedroom maisonette units; the 8 no. Proposed units, with private amenity space in the form of balconies and terraces, comprise 6 no. Studio apartments, 1 no. One-bedroom apartment, and 1 no. Four bedroom apartment; and associated amendments to the permitted elevations;(ii) minor modifications to the site layout comprising: the provision of additional private amenity space to new units in the form of terraces at ground floor level; the provision of additional visitor bicycle parking; and associated minor amendments to landscaping. The proposed amendments result in an overall revised unit mix comprising: 2 no. Two-storey, three-bedroom detached dwellings (unit nos. 1 & 2), 4 no. Three-storey, four-bedroom terraced houses (unit nos. 3
  • 6), 1 no. Duplex block comprising 2 no. Two-bedroom apartments (block c), 1 no. Two-storey over basement level block (block b) comprising 6 no. Studio apartments, 1 no. One-bedroom apartment and 1 no. Four-bedroom apartment, and 1 no. Three-storey over basement block (block a) comprising 1 no. Four-bedroom apartment and 1 no. Ten-bedroom unit

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
Ariana House, Knapton Road, Monkstownprice excludes VATSept 2025€2,440,52991 m
Bixanta, Knapton Road, Dun Laoghaireprice excludes VATJan 2026€1,841,41099 m
Chiara House, Knapton Road, Monkstownprice excludes VATDec 2025€1,585,903101 m
10 Clifton Court, Tivoli Terrace South, Dun LaoghaireSept 2025€485,000175 m
9 St Johns Park, Glenageary, Dublinnot full market priceOct 2025€700,000176 m
Airhill, Tivoli Terrace North, Dun LaoghaireJun 2025€865,000185 m
44 York Rd, Dun Laoghaire, DublinJul 2025€2,207,000211 m
10 Tivoli Close, Dun Laoghaire, DublinMar 2026€395,000222 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 received16 March 2026
  2. Decision due9 July 2026
  3. Decision issued6 July 2026

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