Planning Permission Ireland
GrantedExtensionDecided 19 March 2026

51 Northumberland Road, Ballsbridge, Dublin 4

Two-storey extension, granny flat creation, and rear garden works at a protected structure in Ballsbridge.

3382/25 · Dublin City Council · Lodged 15 September 2025

Reference
3382/25
Authority
Dublin City Council
Register status
Appealed
Type
Permission
Received
15 September 2025

Summary

AI-generated

The project includes a two-storey gable extension containing a gym, office, and kitchen, alongside internal alterations to create a lower ground floor granny flat. External works feature a new rear garden wall, vehicular entrance, and replacement of render and glazing on this protected structure.

Extensionprotected structuregranny flatgym
Storeys
2

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

Protected structure: a proposed two storey gable extension containing gym at lower ground floor and office and new kitchen at upper ground floor with new door openings from existing house on both levels, for internal alterations as follows to remove wall and form lobby and form bathroom at lower ground floor to provide new granny flat, for internal alterations to first floor and second floor to add new en suite bathrooms and plant room, block up existing doorways and convert existing two second floor adjacent bathrooms into one; for external works to rear garden to form new rear garden wall and vehicular entrance and to reinstate back garden with new lawn, planting and gravel, as well as parking to the rear; for the removal of the existing sand cement render to the rear and gable walls and replacement with insulated lime render and to add insulation to the existing roofs; and for the relacement of the single glazing to the existing windows with double glazed units and new velux conservation rooflight.

Land-use zoning

What this land is zoned for

Z2: Residential Neighbourhoods (Conservation Areas)RS
To protect and/or improve the amenities of residential conservation areas.

National zoning type: Existing residential

Objective set by the 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
7 The Moorings, St Marys Rd, Ballsbridge Dublin 4May 2025€320,00043 m
1 The Moorings, St Marys Rd, Ballsbridge Dublin 4Dec 2025€485,00043 m
35 Pembroke Gardens, Ballsbridge, Dublin 4Jan 2025€875,00051 m
48 Northumberland Rd, Ballsbridge, Dublin 4Dec 2025€2,525,000114 m
8 Lansdowne Crescent, Ballsbridge, Dublin 4Jul 2025€745,000131 m
5 Lansdowne Crescent, Ballsbridge, Dublin 4not full market priceApr 2025€320,000134 m
Apt 8, Arranmore, 13 17 Pembroke Rd Dublin 4Aug 2025€390,000150 m
108 Baggot Lane, Dublin 4Jan 2026€820,000159 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 received15 September 2025
  2. Decision due19 March 2026
  3. Decision issued19 March 2026
  4. Appeal submitted14 April 2026

In the area

Applications near this site

Other planning applications within about 500 m — what else is being proposed or built nearby.

Related developments

Similar applications

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Community

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