Sunnyside, Seafield Avenue, Monkstown, Co Dublin
A new first-floor flat roof extension over an existing ground-floor side extension.
D15B/0254 · Dun Laoghaire Rathdown County Council · Lodged 1 July 2015
- Reference
- D15B/0254
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 1 July 2015
Summary
AI-generatedThe development consists of a new first-floor flat roof extension built over the existing flat roof ground-floor extension to the side of the house. It also includes design and elevational modifications to the existing porch and extension.
- Storey
- 1
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 new first floor flat roof extension over existing flat roof ground floor extension to the side of the existing house also design and elevational modifications to existing porch and extension to match the new proposed works and all ancillary site works.
Land-use zoning
What this land is zoned for
“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 planBuilt & 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| Address | Date | Price | Distance |
|---|---|---|---|
| Victoria Lodge, 9 Seafield Ave, Monkstown | Jan 2025 | €2,420,000 | 37 m |
| Basement Apt, 19 Belgrave Square, Monkstown | Jan 2025 | €1,121,544 | 59 m |
| 18 Belgrave Sq North, Monkstown, Dublin | Sept 2025 | €2,120,000 | 66 m |
| 13 Trafalgar Terrace, Monkstown, Dublin | Sept 2025 | €3,370,000 | 156 m |
| 27 Belgrave Sq East, Monkstown, Dublin | Mar 2025 | €2,460,000 | 189 m |
| 46 Belgrave Sq West, Monkstown, Dublin | Feb 2025 | €2,620,000 | 228 m |
| Ambar Lodge, Albany Avenue, Monkstown | Jun 2026 | €3,500,000 | 230 m |
| 44 Belgrave Square West, Monkstown, Co Dublin | Sept 2025 | €3,400,000 | 235 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
- Application received1 July 2015
- Decision issued24 August 2015
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
Permission for alterations to granted permission D15B/0254 for a first floor balcony to the front of property…
Sunnyside, Seafield Avenue, Monkstown, Co. Dublin
D15B/0422Dún Laoghaire–RathdownLodged 19 Nov 2015Alterations
- Granted30 m away
Change of use from residential to offices at upper ground, first and second floor and retain basement…
95, Seapoint Avenue, Monkstown, Co. Dublin.
D08A/0379Dún Laoghaire–RathdownLodged 3 Apr 2008Change of use
- Invalid30 m away
Change of use from residential to offices at upper ground, first and second floor and retain basement…
95, Seapoint Avenue, Monkstown, Co. Dublin.
D08A/0176Dún Laoghaire–RathdownLodged 14 Feb 2008Change of use
- Refused30 m away
Permission is sought for the removal of front wall and metal railing on Seapoint Avenue, form dish in…
95, Seapoint Avenue (A Protetcted Structure), Monkstown, Co Dublin
D07A/1138Dún Laoghaire–RathdownLodged 7 Aug 2007Alterations
- Granted30 m away
Permission is sought for a two storey extension to rear, conversion of garage and alterations to front…
3, Seafield Mews, Monkstown, Co. Dublin
D12B/0230Dún Laoghaire–RathdownLodged 11 Jul 2012Extension
- Refused40 m away
Permission is sought for the development of a 3 bedroom 2 storey mews house with a pitched roof (including…
93, Seapoint Avenue, Monkstown, Co. Dublin
D18A/0599Dún Laoghaire–RathdownLodged 21 Jun 2018New dwelling
- Granted40 m away
Single storey extension to side with new pitched roof and roof glazing to existing single storey building to…
6A Seafield Mews, Seafield Avenue, Monkstown, Co. Dublin.
D03A/1131Dún Laoghaire–RathdownLodged 27 Nov 2003Extension
- Refused40 m away
Retention of replacement balcony and exit stairs at rear of building on 1st floor level. This is a protected…
Victoria Lodge, 9 Seafield Avenue, Monkstown, Co. Dublin.
D02B/0537Dún Laoghaire–RathdownLodged 10 Jul 2002Retention
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
Permission for construction of a single storey flat roof extension to the rear, first floor flat roof…
30 Dunsink Road, Finglas, Dublin 11
3163/24Dublin CityLodged 8 Feb 2024
- GrantedExtension
Permission for alterations and extensions to an existing dwelling including (1) Single-storey flat roof…
15 The Orchards , Glasheen Road , Cork
2342166Cork CityLodged 18 Jul 2023
- GrantedExtension
Permission for a first floor flat roof addition, to the front of dwelling over existing single storey…
16 Hyde Road, Dalkey, Co. Dublin, A96 H6N1
D22B/0514Dún Laoghaire–RathdownLodged 14 Dec 2022
- GrantedExtension
Permission for alterations & extensions to dwelling house consisting of; demolition of existing ground floor…
Phesant Wood Curragh Midleton Co.Cork
24/6381corkLodged 12 Dec 2024
- Awaiting decisionRetention
For permission to retain and complete the single story flat roof extension as now partially constructed to…
NUMBER 5 , SEAVIEW TERRACE , KILLALA CO MAYO
2560471MayoLodged 14 Jul 2025
- GrantedExtension
Planning permission is sought for a new ground floor single storey extension to the rear of the existing flat…
17, Clanmahon Road, Donnycarney, Dublin 5, D05 PY18
3074/18Dublin CityLodged 22 May 2018
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