Fingal County Council Ongar FW19B/0135 Fingal County Council · FW19B/0135
31 Mount Symon Dale, Clonsilla, Dublin 15 Approved in Jan 2020. Building started in 2020.
31 Oct 2019 Received 11 Dec 2019 Approved 21 Jan 2020 Final approval 26 Oct 2020 Building started Status Building started i Decision Approved · 11 Dec 2019 Council Fingal County Council Type Permission Site 0 m² What’s proposed Single storey extension to the rear, an attic conversion, and extensio…
Cut short by the council feed. Full text ↗
Planning details Reference FW19B/0135 Local authority Fingal County Council Status Commenced · register status “Decision made” Received 31 Oct 2019 Observations close 5 Dec 2019 (closed 2500 days ago) Decision due 3 Jan 2020 · decided 11 Dec 2019 Decision Grant permission on 11 Dec 2019Proposed development Single storey extension to the rear, an attic conversion, and extensio…As published by the register. The Fingal feed cuts the description at 70 characters; the full text is on the council register.
Site area 0 m² from the mapped boundary, not the council's figure Applicant Not published — the national feed carries no applicant name council register Nearby 74 · 500 m · 5 years Open 19 Mount Symon Crescent, Clonsilla, Dublin 15, D15 WK8P widening the existing vehicular entrance at the front of the… · received 24 Sept 2026 · observations close 29 Oct 2026 · 53 m away Open Allendale House, Clonsilla, Dublin 15 development at Allendale House, Clonsilla, Dublin 15, a protected… · received 11 Sept 2026 · observations close 16 Oct 2026 · 290 m away Granted 4 Allendale Terrace, Clonsilla, Dublin 15, D15NNX4 changing the existing hipped roof to a… · received 30 Jun 2026 · decided 20 Aug 2026 · 172 m away Granted 19 Mount Symon Crescent, Clonsilla, Dublin 15, D15 WK8P widening the existing vehicular entran… · received 15 Jun 2026 · decided 4 Aug 2026 · 53 m away Granted 35 Mount Symon Dale, Clonsilla, Dublin 15, D15 A3V1 single storey extension to rear, alter… · received 8 Jun 2026 · decided 30 Jul 2026 · 11 m away Withdrawn 19 Mount Symon Crescent, Clonsilla, Dublin 15, D15 WK8P widening the existing vehicular entran… · received 2 Jun 2026 · decided 11 Jun 2026 · 53 m away Appeal decided 95 Cherryfield Lawn, Hartstown, Dublin 15,, D15 A43F the single storey timber structure to rear garden, comp… · received 23 May 2026 · decided 9 Jul 2026 · 431 m away Granted 24 Allendale Terrace, Dublin 15, D15 K5W8 a proposed new flat roof dormer to the… · received 13 May 2026 · decided 2 Jul 2026 · 235 m away Show all 74 Granted 10 Allendale Elms, Clonsilla, Dublin 15 an attic conversion to include a dormer window… · received 12 May 2026 · decided 2 Jul 2026 · 175 m away Granted 21 Portersgate Heights, Clonsilla, Dublin 15 a single-storey ex… · received 22 Apr 2026 · decided 5 Jun 2026 · 438 m away Open Lands located to the south of Allendale House, Clonsilla Road, Clonsil amendments to a previously permitted residenti… · received 17 Apr 2026 · no decision yet · 193 m away Granted 23 Porters Gate Way, Clonsilla, Dublin 15 an attic conversion with dormer roof t… · received 14 Mar 2026 · decided 1 May 2026 · 297 m away Granted 51 Allendale Drive, Clonsilla, Dublin 15, D15 Y0C6 a detached single storey flat roof building… · received 16 Feb 2026 · decided 9 Apr 2026 · 438 m away Open 8 Porters Gate, Clonsilla, Dublin, D15 A0XW sought for first-floor extension over existing por… · received 20 Jan 2026 · no decision yet · 440 m away Granted 31 Mount Symon Lawn, Clonsilla, Dublin 15, D15 A6W4 (i) A rear ex… · received 23 Dec 2025 · decided 11 Jun 2026 · 460 m away Granted Townland of Clonsilla, Dublin 15, Within Zone 5 'Hospital' of the Hans modifications to the development permi… · received 17 Dec 2025 · decided 16 Apr 2026 · 461 m away Granted 43 Mount Symon Dale, Clonsilla, Dublin 15, D15P0K5 sought to demolish existing front two storey bay window… · received 18 Nov 2025 · decided 13 Jul 2026 · 38 m away Commenced 9 Allendale Close, Clonsilla, Dublin 15, D15A2R2 dormer window to rear roof slope, 1 no skylight to… · received 6 Nov 2025 · decided 18 Dec 2025 · 286 m away Refused 51 Allendale Drive, Clonsilla, Dublin 15, D15 Y0C6 a detached single storey flat roof building consisting of a study room… · received 25 Sept 2025 · decided 13 Nov 2025 · 438 m away Withdrawn 51 Allendale Drive, Clonsilla, Dublin 15, D15 Y0C6 permissiona for a detached single storey flat roof building… · received 19 Sept 2025 · decided 23 Sept 2025 · 438 m away Granted 63 Allendale Square, Clonsilla, Dublin 15, D15 C6V6 a new attic dormer roof extension to rear of 2 storey end terrace dwel · received 16 Sept 2025 · decided 3 Nov 2025 · 21 m away Commenced 10 Porter's Gate Grove, Clonsilla, Dublin 15, D15 HPA4 sought for a first-floor · received 3 Sept 2025 · decided 23 Oct 2025 · 425 m away Granted 30 Allendale Close, Clonsilla, Dublin 15 the retention of a single storey extension to the rear… · received 5 Aug 2025 · decided 22 Sept 2025 · 145 m away Commenced 10 Allendale Walk, Clonsilla,, Dublin 15, D15 E4Y9 the change of use of attic space to ha… · received 16 Jul 2025 · decided 4 Sept 2025 · 303 m away Commenced 8 Mount Symon Park, Clonsilla, Dublin 15, D15X2W8 attic conversion with hip to gable roof · received 11 Jul 2025 · decided 1 Sept 2025 · 257 m away Refused 16 St Josephs Green, Clonsilla, Dublin 15, D15 YDR0 the change of use of attic space to new office/playroom, with rear dor… · received 4 Jun 2025 · decided 24 Jul 2025 · 385 m away Withdrawn 16 St Josephs Green, Clonsilla, Dublin 15, D15 YDR0 the change of use of attic space to new office/playroom, with rear dor… · received 21 May 2025 · decided 26 May 2025 · 385 m away Commenced 5 Allendale Copse, Clonsilla, Dublin 15, D15 R3N0 single-storey flat roof extension to the front · received 9 May 2025 · decided 30 Jun 2025 · 277 m away Withdrawn 5 Allendale Copse, Clonsilla, Dublin 15, D15 R3N0 single-storey flat roof extension to the front · received 30 Apr 2025 · decided 8 May 2025 · 277 m away Granted 20 Mount Symon Park, Clonsilla, Dublin 15, D15 V0H4 attic conversion for storage, including a raised side gable, a rear d · received 13 Mar 2025 · decided 1 May 2025 · 347 m away Commenced 17 Portersgate Avenue, Clonsilla, Dublin 15, D15 X95N sought for new attic conversion with dormer pro… · received 6 Mar 2025 · decided 24 Apr 2025 · 460 m away Granted No. 2 Portersgate Avenue, Clonsilla, Dublin 15, D15HC6D a single storey extension containing a family… · received 19 Feb 2025 · decided 14 Apr 2025 · 425 m away Granted 24 Elmwood Close, Hartstown, Dublin15, D15 V4FD a dormer extension to form attic space · received 5 Dec 2024 · decided 31 Jan 2025 · 360 m away Withdrawn 24 Elmwood Close,, Hartstown,, Dublin 15, D15 V4FD a dormer extension to form attic space · received 27 Nov 2024 · decided 3 Dec 2024 · 360 m away Granted 12 Elmwood, Clonsilla, Dublin 15, D15 W1DW a single storey, detached, part shed/store · received 25 Nov 2024 · decided 23 Jan 2025 · 320 m away Granted Saint Joseph's Centre, Clonsilla, Dublin 15 applying for permission for a change of one window to one door at a si · received 11 Oct 2024 · decided 25 Nov 2024 · 410 m away Withdrawn St. Joseph's Centre, Clonsilla, Dublin 15 change of one window to one door at a single storey bui… · received 27 Sept 2024 · decided 30 Sept 2024 · 410 m away Granted Lands located to the south of Allendale House, Clonsilla Rd, Clonsilla ‘(i) Construction of a residential development comprising a total of 5… · received 25 Sept 2024 · decided 17 Jul 2025 · 193 m away Granted 19 Elmwood Close, Hartstown, Dublin 15 sought for attic conversion with dormer window… · received 31 Aug 2024 · decided 22 Oct 2024 · 342 m away Refused 12 Elmwood, Clonsilla, Dublin 15, D15 W1DW sought for the retention of a single storey · received 30 Aug 2024 · decided 18 Oct 2024 · 320 m away Commenced 8 Portersgate Grove, Clonsilla, Dublin 15, D15A0XW sought for a first-floor exeetension over existing… · received 30 Aug 2024 · decided 15 Apr 2025 · 440 m away Withdrawn 19 Elmwood Close, Hartstown, Dublin 15 sought for attic conversion with dormer window… · received 27 Aug 2024 · decided 28 Aug 2024 · 342 m away Granted 7 Allendale Close, Clonsilla, Dublin 15 sought for retention of existing single storey, flat roo… · received 27 May 2024 · decided 9 Jul 2024 · 289 m away Refused Grange Lodge, Clonsilla Road, Clonsilla, Dublin 15, D15Y38N the retention of the two bedroom, single storey, dwelling (57sqm) with · received 16 May 2024 · decided 4 Jul 2024 · 361 m away Commenced 14 Allendale Green,, Clonsilla, Dublin 15, D15 Y5PD raising the side gable roof, constructing… · received 15 May 2024 · decided 1 Jul 2024 · 249 m away Granted 10 Porters Gate Grove, Clonsillla, Dublin 15, D15HPA4 sought for a porch extension · received 14 May 2024 · decided 1 Jul 2024 · 425 m away Withdrawn Grange Lodge, Clonsilla Road, Clonsilla, Dublin 15, D15Y38N the retention of the two bedroom, single storey, dwelling (57sqm) with · received 3 May 2024 · decided 8 May 2024 · 361 m away Withdrawn 14, Allendale Green, Clonsilla, Dublin 15, D15Y5PD raising the side gable roof, constructing… · received 2 May 2024 · decided 9 May 2024 · 249 m away Commenced Zone 6 within the Hansfield SDZ Planning Scheme 2006, Formerly part of development at a site (c · received 18 Dec 2023 · decided 20 Feb 2024 · 423 m away Granted 10 Allendale Elms, Clonsilla, D15 a ground floor timber roof structure covering… · received 1 Sept 2023 · decided 23 Oct 2023 · 175 m away Refused The subject site is located in the townland of Clonsilla, Dublin 15 wi development at this site located in the townland of… · received 21 Jul 2023 · decided 4 Sept 2023 · 461 m away Commenced 7 Aldemere Close, Clonsilla, Dublin 15 sought for the demotion of an existing single storey lea… · received 12 Jul 2023 · decided 22 Aug 2023 · 273 m away Commenced 15 Portersgate Close, Clonsilla, Dublin 15 planning permisssion for the Construction of a new 163sq · received 3 May 2023 · decided 25 May 2023 · 356 m away Commenced 6 Allendale Green, Clonsilla, D15A2R7 attic conversion with dormer window to rear, alterations to existing h · received 6 Apr 2023 · decided 25 May 2023 · 262 m away Commenced townland of Clonsilla, Dublin 15,, and is partially occupied by buildi includes for the demolition of existing build… · received 24 Oct 2022 · decided 14 Dec 2022 · 461 m away Commenced 8 Allendale Lawn, Clonsilla, Dublin 15 build-up of existing gable · received 20 Oct 2022 · decided 29 Nov 2022 · 383 m away Commenced 19 Mount Symon Park, Clonsilla, Dublin 15, D15 WFW4. a new hip roof with built up gable wall, w… · received 3 Oct 2022 · decided 25 Nov 2022 · 345 m away Withdrawn 19 Mount Symon Park, Clonsilla, Dublin 15, D15 WFW4. a new hip roof with built up gable wall, with new opaque window to fac · received 5 Aug 2022 · decided 12 Sept 2022 · 340 m away Commenced 21 Mount Symon Dale, Clonsilla, Dublin 15 single storey extension to the rear · received 23 May 2022 · decided 30 Jun 2022 · 34 m away Commenced 10 Porters Gate Grove, Clonsilla, Dublin 15, D15 HPA4 sought for the conversion of the attic space wi… · received 12 May 2022 · decided 23 Jun 2022 · 443 m away Granted 2 Mount Symon Green, Clonsilla, Dublin 15, D15E9N3 1/ Conversion of her attic to storage · received 9 May 2022 · decided 23 Jun 2022 · 245 m away Granted 11, Mount Symon Green, Clonsilla, Dublin 15, D15 E8K0 1 · received 19 Apr 2022 · decided 7 Jun 2022 · 161 m away Granted 2 Portersgate Avenue, Clonsilla, Dublin 15 a new detached single storey steel panel domestic · received 31 Mar 2022 · decided 23 May 2022 · 438 m away Granted 19 Allendale Terrace, Clonsilla, Dublin 15, D15X H9H single storey extension to rear of e… · received 24 Mar 2022 · decided 12 May 2022 · 221 m away Granted EuroSpar Hartstown, Hartstown Shopping Centre, Hartstown, Dublin 15 planning retention to erect 696 · received 24 Feb 2022 · decided 23 Mar 2022 · 457 m away Granted 2 Mount Symon Close, Clonsilla, Dublin 15, D15 YKK8 alteration/extension of the existing two-storey detached house compris · received 8 Feb 2022 · decided 31 Mar 2022 · 236 m away Granted 65 Cherryfield Lawn, Hartstown, Dublin 15 a dormer window to the front roof slope · received 21 Jan 2022 · decided 4 Feb 2022 · 349 m away Granted 42, Mount Symon Crescent, Clonsilla, Dublin, DUBLIN 15 loft conversion including removal of hipped end of roof… · received 19 Jan 2022 · decided 7 Mar 2022 · 116 m away Granted 32 Portersgate Heights, Clonsilla, Dublin 15, D15EEF extension of existing attic space to the rear wall of the dwelling · received 23 Dec 2021 · decided 17 Feb 2022 · 430 m away Withdrawn 32 Portersgate Heights, Clonsilla, Dublin 15, D15EEF extension of existing attic space to the rear wall of… · received 2 Nov 2021 · decided 6 Dec 2021 · 428 m away Granted 21 Mount Symon Dale, Clonsilla, Dublin 15 a single storey extension to the rear · received 26 Oct 2021 · decided 14 Dec 2021 · 29 m away Granted The Daughters of Charity, St Joseph's Centre, Clonsilla a single storey building with two apartments · received 15 Oct 2021 · decided 9 Dec 2021 · 409 m away Commenced Side of 27 Stonebridge Drive, Clonsilla, Dublin 15, D15 XP8R new two storey two bedroomed attach… · received 13 Oct 2021 · decided 8 Nov 2021 · 177 m away Granted 30 Allendale Drive, Clonsilla, Dublin 15, D15 DF7Y conversion of existing attic area including construction of new flat r · received 11 Oct 2021 · decided 29 Nov 2021 · 460 m away Explore this area on the map →
Homes nearby For sale Site 7 Mount Symon Crescent, Clonsilla, Dublin 15, D15 K4A9 Planning near this home · site · 64 m away For sale 8 Allendale Elms, Clonsilla, Dublin 15 Planning near this home · 2 bed · terrace · 183 m away For sale 10 Windermere, Clonsilla, Dublin 15, D15 H1XV Planning near this home · 4 bed · semi-d · 221 m away For sale Site, 7 Mount Symon Crescent, Clonsilla, Dublin 15 Planning near this home · site · 223 m away For sale 37 Elmwood, Clonsilla, Dublin 15, D15 XE0F Planning near this home · 3 bed · house · 235 m away For sale 26 Portersgate Way, Clonsilla, Dublin 15, D15 DK3K Planning near this home · 5 bed · semi-d · 293 m away For sale 23 The Meadows, Grange Road, Clonsilla, Dublin 15 Planning near this home · 2 bed · apartment · 296 m away For sale 7 Allendale Close, Clonsilla, Dublin 15, D15 P9C1 Planning near this home · 2 bed · terrace · 306 m away For sale Apartment 43, The Meadows, Clonsilla, Dublin 15, D15 RW77 Planning near this home · 2 bed · apartment · 328 m away For sale 5 Aldermere View, Clonsilla, Dublin 15 Planning near this home · 3 bed · semi-d · 342 m away For sale 12 Portersgate Close, Clonsilla, Dublin 15, D15 DPY6 Planning near this home · 5 bed · detached · 413 m away For sale Allendale Rise, Clonsilla, Co. Dublin Planning near this home · 3 bed · terrace · 458 m away Building started 26 Oct 2020 · Builder told the council work was starting (opted out of the finish sign-off) CN0069449FL Zoning RS - Residential: Ensure that any new development in existing areas would have a minimal impact on and enhance existing residential amenity.
R2 — Existing residential An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.
Protections nearby 250 m No mapped flood area nearby.
Where this comes from National planning feed (NPAD), fetched 11 Sept 2026, 15:18.
Source: npad · fetched 11 Sept 2026, 15:18 Source Licence Fetched Link npad CC-BY-4.0 11 Sept 2026, 15:18 open
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Summary FW19B/0135 is a planning application to Fingal County Council for single storey extension to the rear, an attic conversion, and extensio, received on 31 Oct 2019; permission was granted on 11 Dec 2019.
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