The Beeches, Firhouse Road, Knocklyon, Dublin 16.
Demolition of a rear conservatory and construction of a two-storey rear extension.
SD18B/0452 · South Dublin County Council · Lodged 1 November 2018
- Reference
- SD18B/0452
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 1 November 2018
- Floor area
- 66.6 m²
Summary
AI-generatedThe project involves the demolition of an existing rear conservatory and chimney. It will be replaced with a two-storey rear extension with a flat roof, alongside internal and external alterations.
- 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
Demolition of rear conservatory and chimney and construction of a 2 storey rear extension with flat roof over; alterations to porch door and side windows; window in gable wall at first floor; internal alterations at ground floor and first floor and associated site works.
Land-use zoning
What this land is zoned for
“To protect and enhance the outstanding character and amenity of the Dodder Valley”
National zoning type: Conservation, amenity or buffer space, corridor/belt, landscape
Objective set by the South Dublin 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 |
|---|---|---|---|
| 12 Delaford Park, Dublin 16, Dublin | Nov 2025 | €720,000 | 129 m |
| 18 Delaford Dr, Knocklyon, Dublin 16 | Jul 2026 | €655,000 | 217 m |
| 19 Knocklyon Green, Templeogue, Dublin 16 | May 2025 | €830,000 | 294 m |
| 2 Knocklyon Ave, Knocklyon Woods, Dublin 16 | Dec 2025 | €881,000 | 316 m |
| 4 Knocklyon Avenue, Templeogue, Dublin 16 | May 2025 | €670,000 | 321 m |
| 35 Knocklyon Park, Knocklyon Woods, Templeogue Dublin 16 | Jul 2025 | €687,000 | 335 m |
| 7 Homeville Court, Knocklyon, Dublin 16 | Jun 2025 | €393,000 | 355 m |
| 12 Mount Carmel Park, Firhouse, Dublin 24 | Jan 2025 | €462,000 | 360 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 November 2018
- Decision due4 January 2019
- Decision issued19 December 2018
- Grant issued4 February 2019
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
Amendments to the previously approved application (SD18B/0452) consisting of a reduction of the first floor…
The Beeches, Firhouse Road, Knocklyon, Dublin 16, D16N4T8
SD25B/0577WSouth DublinLodged 1 Oct 2025Retention
- InvalidAt this site
Amendments to the previously approved application (SD18B/0452) consisting of a reduction of the first floor…
The Beeches, Firhouse Road, Knocklyon, Dublin 16, D16 N4T8
SD25B/0563WSouth DublinLodged 19 Sept 2025Alterations
- GrantedAt this site
Demolish and remove the existing extension constructed to the east side in order to construct a new single…
The Beeches, Firhouse Road, Knocklyon, Dublin 16.
S99B/0490South DublinLodged 27 Sept 1999Extension
- GrantedAt this site
Demolition of existing single storey extension to side and front, construction of new single storey extension…
"Glenard", Firhouse Road, Dublin 16.
SD08B/0136South DublinLodged 4 Mar 2008Extension
- GrantedAt this site
Demolition of existing porch to front & construction of new porch to front
"Glenard", Firhouse Road, Dublin 16.
SD05B/0196South DublinLodged 23 Mar 2005Alterations
- Granted80 m away
Extension and alterations of existing garage to form new room with bay window at ground level and a new…
35, Delaford Park, Knocklyon Woods, Templeogue, Dublin 16
SD08B/0052South DublinLodged 29 Jan 2008Extension
- Granted80 m away
Permission for single storey extension at front/side including wheelchair ramp at front. Retention permission…
25, Delaford Grove, Dublin 16
SD14B/0064South DublinLodged 10 Mar 2014Extension
- Granted90 m away
Demolish existing side garage and construct an extension
8, Delaford Park, Knocklyon, Dublin 16
SD05B/0473South DublinLodged 14 Jul 2005Extension
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
Internal alterations; kitchen window to the side; roof light to the rear slope; demolition of the existing…
144, Moyville, Rathfarnham, Dublin 16
SD19B/0128South DublinLodged 11 Jun 2019
- GrantedExtension
Demolition of existing conservatory to rear; construction of single storey extension to rear with flat roof…
34, Marian Crescent, Dublin 14
SD20B/0529South DublinLodged 22 Dec 2020
- GrantedExtension
Demolition of rear conservatory and removal of chimney stack; construction of a part two storey, part single…
26, Templeville Road, Dublin 6w
SD16B/0422South DublinLodged 19 Dec 2016
- InvalidExtension
Demolition of an existing single storey rear extension and erecting a two-storey extension to the rear,…
19, Carrow Road, Dublin 12, D12 XA56
WEB1162/19Dublin CityLodged 22 Mar 2019
- GrantedExtension
Demolition of rear single storey conservatory, new window at first floor to existing west elevation,…
10, Oldcourt Avenue, Firhouse, Dublin 24
SD04B/0450South DublinLodged 24 Aug 2004
- Awaiting decisionExtension
Permission for the part demolition of the existing rear conservatory, construction of a new two storey side…
44 Woodlands, Curraghconway, Frankfield, Co.Cork,
175491corkLodged 13 Jun 2017
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