Planning Register
Site report · 1000 m radius · generated 13 Sept 2026, 16:54

Hersil Wood

Eircode Coordinates 53.28857, -6.31002Local authority South Dublin County Council
Applications only for this county. Appeals, zoning, RZLT and consultations: Dún Laoghaire-Rathdown and Fingal only for now.

What closes soonest 8 open windows

  • Appeal window closes 14 Sept 20261 day left
    SD26B/0361WInvalid - Site Notice — Construction of a 2 storey rear extension to existing dwelling
    4 weeks from the council's decision (17 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 238 m away
  • Appeal window closes 14 Sept 20261 day left
    SD26B/0309WGrant Permission — Construction of a 32sq.m ground floor flat roof extension to the rear, providing a new utility room, extended kitchen an
    4 weeks from the council's decision (17 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 630 m away
  • Appeal window closes 16 Sept 20263 days left
    SD26A/0156WGrant Permission for Retention — The retention of 1.96m wide pedestrian entrance, disabled ramp, handrail, balustrading and associated site works.
    4 weeks from the council's decision (19 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 528 m away
  • Observations close 17 Sept 20264 days left
    ED26/0081application received — Replacing one car park space with one bike rack for bicycles to be parked for visitors to the Iona Centre. Improving acc
    5 weeks from receipt (13 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 722 m away
  • Observations close 17 Sept 20264 days left
    SD26B/0372Wapplication received — Retention for a flat roof over the existing front porch extension; revised ground floor front elevation fenestration; re
    5 weeks from receipt (13 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 354 m away
  • Observations close 22 Sept 20269 days left
    SD26B/0375Wapplication received — First floor extension over existing single storey structure to side including extension of mini hip roof, single storey
    5 weeks from receipt (18 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 369 m away
  • Observations close 22 Sept 20269 days left
    SD26A/0197Wapplication received — The proposed development will consist of the subdivision of the existing rear garden space, to enable the erection of 2n
    5 weeks from receipt (18 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 306 m away
  • Judicial review window closes 20 Oct 202637 days left
    Refuse permission
    8 weeks from the Commission's decision (25 Aug 2026) · s.50 Planning and Development Act 2000 · 798 m away
Sources: acp, consult, moderngov, npad, rzlt · fetched 12 Sept 2026, 00:05
SourceLicenceFetchedLink
acpCC-BY-4.012 Sept 2026, 00:05open
consultpublic12 Sept 2026, 02:04open
moderngovpublic12 Sept 2026, 21:48open
npadCC-BY-4.012 Sept 2026, 20:38open
rzltCC-BY-4.012 Sept 2026, 00:23open

Where this is

Townland
Knocklyon
Settlement
Dublin city and suburbs
Electoral division
Ballyboden
Local electoral area
Rathfarnham-Templeogue
Local authority
South Dublin County Council
Parcel
Tailte Éireann 5249834 (freehold), 203 m²

Census 2022, small area 267013013

438
people
144
households
155
dwellings

93.1% owner-occupied, 5.6% privately rented, 0.7% social. Vacancy 5.2%.

Sources: places, parcels · fetched 11 Sept 2026, 21:28
SourceLicenceFetchedLink
placesCC-BY-4.011 Sept 2026, 21:28open
parcelsCC-BY-4.011 Sept 2026, 19:06open

Zoning evaluated against the point

R2 — Existing residential south dublin county development plan 2022 2028 · 8 Mar 20228 Mar 2028

RES: To protect and/or improve residential amenity

What that means: 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.

Source: zoning · fetched 12 Sept 2026, 02:04
SourceLicenceFetchedLink
zoningCC-BY-4.012 Sept 2026, 02:04open

Designations and constraints within 1000 m

An OPW flood extent intersects this area. The OPW's map is licensed CC-BY-NC-ND, so we show a flag only — see the extent at floodinfo.ie.
DesignationCountExamples
NIAH-recorded building15Spawell House; Templeogue House; Saint Mary's Convent
Radon risk area2About 1 in 10 homes in this area is likely to have high radon levels; About 1 in 20 homes in this area is likely to have high radon levels
Recorded monument16Church; Graveyard; Graveslab
Sources: constraints, constraints.flood_cfram, constraints.niah, constraints.radon, constraints.smr · fetched 11 Sept 2026, 19:11
SourceLicenceFetchedLink
constraintsmixed — CC-BY-4.0 except OPW flood (CC-BY-NC-ND-4.0, publishable=false)11 Sept 2026, 19:11open
constraints.flood_cframCC-BY-NC-ND-4.0 · not redistributable — shown as a flag only11 Sept 2026, 19:11open
constraints.niahCC-BY-4.011 Sept 2026, 19:11open
constraints.radonCC-BY-4.011 Sept 2026, 19:11open
constraints.smrCC-BY-4.011 Sept 2026, 19:11open

Residential Zoned Land Tax

This site is on an RZLT mapthe draft map 2027 and the final map 2026 (0.08 ha). The owner is liable for an annual 3% tax on market value while it stays there. Submissions on the draft map closed 1 Apr 2026.
Source: rzlt · fetched 12 Sept 2026, 00:23
SourceLicenceFetchedLink
rzltCC-BY-4.012 Sept 2026, 00:23open

Planning applications 335 in 5 years within 1.0 km

Open for observation

  • Iona Pastoral Community Centre, Idrone Avenue, Dublin, D16 T299 observations close 17 Sept 2026 · 4 days left
    Replacing one car park space with one bike rack for bicycles to be parked for visitors to the Iona Centre. Improving accessibility and encouraging cyclists to come to the centre.
    ED26/0081received 13 Aug 2026722 m away
  • 22 Coolamber Park, Knocklyon, Dublin 16, D16 A0P0 observations close 17 Sept 2026 · 4 days left
    Retention for a flat roof over the existing front porch extension; revised ground floor front elevation fenestration; revised first floor side elevation fenestration.
    SD26B/0372Wreceived 13 Aug 2026354 m away
  • 40, Woodbrook Park, Templeogue, Dublin, D16 V967 observations close 22 Sept 2026 · 9 days left
    First floor extension over existing single storey structure to side including extension of mini hip roof, single storey Kitchen/Dining extension at rear, internal layout alterations at ground and first floor and all associated site works.
    SD26B/0375Wreceived 18 Aug 2026369 m away
  • 5/5A, Knocklyon Cottages, Knocklyon Road, Knocklyon, Dublin 16 observations close 22 Sept 2026 · 9 days left
    The proposed development will consist of the subdivision of the existing rear garden space, to enable the erection of 2no. single storey, 3-bed, detached dwellings; access to the development will be provided via a new roadway, from Knocklyon Rd; and, all associated site works, including landscaping, boundary walls and treatments, Suds drainage, to facilitate the development.
    SD26A/0197Wreceived 18 Aug 2026306 m away

Recent decisions and applications

223
Grant permission
20
Grant permission for retention
15
(undecided)
12
Grant permission & grant retention
  • 10, Hillcrest, Templeogue, Dublin, D6W YY43 Recommended Decision
    (a) Construct of a new 20m2 Ground floor & 4m2 1st floor extension to rear of the property. (b) Install external insulation to all external walls of the property. The front facade external insulation will retain brick style finish in keeping with existing local properties.
    ED26/0075received 5 Aug 2026724 m away
  • 60, Elkwood, Ballyroan, Dublin 16, D16A373 Invalid - site notice
    Construction of a 2 storey rear extension to existing dwelling
    SD26B/0361Wreceived 4 Aug 2026decided 17 Aug 2026238 m away
  • Rowan House Cheeverstown, Templeogue, Dublin 6 Officer Allocation
    To remove the existing dilapidated structure (see below appendix A) and replace it with an existing building owned by the Department of Education and Youth (see below appendix A). The replacement building is slightly larger in footprint than the original at 138m2 coming in at approx. 58m2 larger and is currently in storage. The proposal will see the 2no. classrooms be used for 1 to 1 classes, it is not anticipated that staffing and student numbers will increase as a result of the increase in floor area. The building would be relocated to the site and adapted as necessary to suit the operational needs of the school in compliance with statutory requirements and DEY supplementary design guidance, FSC and DAC reports would also be submitted to local building control authority. Works to existing building envelope to form 2 no. access and egress points to better aid accessibility to the existing building. existing window opes will be adapted to form new door openings in the existing facade rowan house itself is not a protected structure.
    ED26/0076received 4 Aug 2026683 m away
  • 37 Marian Crescent, Dublin 14, D14 N4C6, D14 N4C6 Referral
    Construction of a single-story garden structure in the rear garden and the construction of a covered storage area to the side of the existing main house.
    SD26B/0349Wreceived 27 Jul 2026801 m away
  • 66, Knockcullen Drive, Knocklyon, Dublin, D16 K0H2 Referral
    Demolition of portions of the existing rear and side external walls at ground floor level and the rear wall of the first floor; Demolition of the existing garage roof and the existing rear utility room, and the construction of (a) A single storey extension to the rear and side of the existing dwelling; (b) The partial conversion of the existing garage to habitable accommodation; (c) A first floor extension to the rear of dwelling, including the extension of the existing roof over the proposed first floor extension; (d) The widening of the existing vehicular entrance; and (e) Associated external works, including a new front entrance, entrance steps, planter, landscaping and all ancillary site development works.
    SD26B/0344received 24 Jul 2026186 m away
  • Wit's End, The Rookery, Scholarstown Road, Dublin 16 Referral
    Construction of 5 no. 2-storey 4-bed detached dwellings; New internal access road and widening of the existing vehicular access from The Rookery; New boundary and entrance gates to Mount Michael House; Car parking, bin stores, landscaped communal open space and boundary treatments; All associated site works and services; The lands are adjacent to Mount Michael House, a Protected Structure.
    SD26A/0182Wreceived 24 Jul 20265 units969 m away

`description` is truncated at source (80 chars for DLR, 70 for Fingal) and `applicant` is null nationally — NPAD publishes neither in full.

Source: npad · fetched 12 Sept 2026, 20:38
SourceLicenceFetchedLink
npadCC-BY-4.012 Sept 2026, 20:38open

Appeals 16 in 5 years within 1.0 km

Source: acp · fetched 12 Sept 2026, 00:05
SourceLicenceFetchedLink
acpCC-BY-4.012 Sept 2026, 00:05open

Commencement notices 91 in 3 years within 1.0 km

  • 33 The Crescent, Dublin, D16 K6H7 Short commencement notice
    23 Sept 2026CN0147809SDSD24B/0453W957 m away
  • 51 Pinewood Park, Dublin Commencement notice
    18 Sept 2026CN0147544SD962 m away
  • 2 Knocklyon Avenue, Dublin 16, Dublin, D16 H3K8 Opt out commencement notice
    7 Sept 2026CN0147042SDSD26B/0032W894 m away
  • 16 Hillside Park, Dublin 16, Dublin, D16 E6C0 Commencement notice
    27 Aug 2026CN0146648SDSD26B/0102W908 m away
  • 3 Knocklyon Avenue, Dublin 16, Dublin, D16 Y9P0 Opt out commencement notice
    20 Aug 2026CN0146352SDSD21B/0649864 m away
  • 9 Old Bridge Road, Dublin 16, Dublin, D16 R861 Opt out commencement notice
    11 Aug 2026CN0146082SDSD26B/0001W707 m away
  • 242 Templeogue Road, Dublin, D6W KH50 Opt out commencement notice
    10 Aug 2026CN0145788SDSD26B/0014W923 m away
  • 54 Anne Devlin Road, Dublin 14, Dublin, D14 A3P0 Short commencement notice
    7 Aug 2026CN0145955SDSD26B/0088W458 m away
  • 3 Old Bridge Road, Dublin 16, Dublin, D16 VH58 Opt out commencement notice
    31 Jul 2026CN0145588SDSD26B/0168W680 m away
  • 29 Templeroan Way, Dublin 16, Dublin, D16 C8C4 Opt out commencement notice
    20 Jul 2026CN0145125SDSD25B/0541W707 m away

One notice can cover many buildings — count notices, never building rows, or a single multi-unit scheme reads as a trend (T11).

Source: bcms · fetched 12 Sept 2026, 23:34
SourceLicenceFetchedLink
bcmsCC-BY-4.012 Sept 2026, 23:34open

Sales 121 in 36 months within 1.0 km

€685,000
median price
€6,046/m²
median €/m²
121
sales
120
rooftop-geocoded
47
with listing detail
2
new builds

€10,000€1,450,000, 24 Jan 2024 to 25 Mar 2026.

AddressSoldPriceAskingTypeBeds€/m²BERDist.
28 ORCHARDSTOWN AVE, RATHFARNHAM, DUBLIN 1425 Mar 2026€780,000€750,000Semi-D4136.65,710G714 m
57 KNOCKCULLEN DRIVE, KNOCKLYON, RATHFARNHAM18 Dec 2025€820,000€700,000Detached41336,165C3185 m
10 BEVERLY DRIVE, KNOCKLYON, DUBLIN 1617 Dec 2025€800,000€725,000Detached31017,921B3971 m
60 LANSDOWNE PARK, KNOCKLYON RD, TEMPLEOGUE DUBLIN 1616 Dec 2025€875,000€850,000Detached51416,206C3309 m
19 GARTHY WOOD, KNOCKLYON, DUBLIN 1615 Dec 2025€388,000€375,000Apartment2646,063B3921 m
2 KNOCKLYON AVE, KNOCKLYON WOODS, DUBLIN 161 Dec 2025€881,000€750,000Detached4149.85,881F895 m
42 OWENDOHER LODGE, BALLYBODEN RD, RATHFARNHAM DUBLIN 1628 Nov 2025€582,000983 m
12 DELAFORD PARK, DUBLIN 16, DUBLIN27 Nov 2025€720,000€645,000Semi-D31166,207B2957 m
9 OLD BRIDGE RD, TEMPLEOGUE, DUBLIN 1618 Nov 2025€685,000€680,000Semi-D3E2708 m
50 KNOCKLYON ROAD, TEMPLEOGUE, DUBLIN 1617 Nov 2025€650,100€595,000Semi-D3102.96,318E2365 m

PPR addresses are geocoded, not surveyed — a sale's position is as good as its address match (`rooftop_n` says how many are address-accurate). Beds, floor area, BER and asking price come from the matched daft.ie advertisement, not from the Register, and only where a match was found (`enriched_n`).

Sources: cara_listings, ppr · fetched 11 Sept 2026, 20:14
SourceLicenceFetchedLink
cara_listingsThird-party advertisement data captured by Cara from daft.ie. Not open data: internal analysis only, no redistribution of listing content. Business-contact details (licensed PSP name and branch) are retained per Cara DECISIONS 2026-08-19; agent phone numbers and all vendor/buyer identities are dropped.11 Sept 2026, 20:14open
pprPSI — PSRA re-use terms (psr.ie/re-use-of-public-sector-information). Free re-use in any format provided the source and PSRA copyright are acknowledged, the data is reproduced accurately and not used misleadingly, and it is NOT used 'for the principal purpose of advertising or promoting a particular product or service'. Attribution: 'Contains PSRA Residential Property Price Register data, © Property Services Regulatory Authority.'12 Sept 2026, 20:31open

Consultations 3 matched by place

Source: consult · fetched 12 Sept 2026, 02:04
SourceLicenceFetchedLink
consultpublic12 Sept 2026, 02:04open

Council items 10 in 24 months

Source: moderngov · fetched 12 Sept 2026, 21:48
SourceLicenceFetchedLink
moderngovpublic12 Sept 2026, 21:48open

Capacity and public land

No publishable utility-capacity record within the radius. 40 records from Esb substation withheld: source licence forbids redistribution; see the operator's own register.

Public land (LDA register of relevant lands)

  • Dublin City CouncilDublin city and suburbs
    3.1 hafolio DN6069F76 m awayas of 1 Apr 2023
  • South Dublin County CouncilDublin city and suburbs
    0.26 hafolio DN121434F107 m awayas of 1 Apr 2023
  • Dublin City CouncilDublin city and suburbs
    0.3 hafolio DN93595F122 m awayas of 1 Apr 2023
  • South Dublin County CouncilDublin city and suburbs
    0.35 hafolio DN193486F142 m awayas of 1 Apr 2023
  • South Dublin County CouncilDublin city and suburbs
    0.1 hafolio DN193486F168 m awayas of 1 Apr 2023
  • South Dublin County CouncilDublin city and suburbs
    0.75 hafolio DN109017F176 m awayas of 1 Apr 2023
  • South Dublin County CouncilDublin city and suburbs
    0.41 hafolio DN180377F238 m awayas of 1 Apr 2023
  • Dublin City CouncilDublin city and suburbs
    2.86 hafolio DN5233N351 m awayas of 1 Apr 2023
Sources: esbn, lda_lands · fetched 11 Sept 2026, 16:42
SourceLicenceFetchedLink
esbnall-rights-reserved (esbnetworks.ie disclaimer: personal/non-commercial, no modification or republication without written ESB permission) — permission NOT sought · not redistributable — shown as a flag only11 Sept 2026, 16:42open
lda_landsCC-BY-4.011 Sept 2026, 16:43open

Schools and public transport within 1.0 km

Schools

  • Sancta Maria College
    postprimary577 pupilsCATHOLIC589 m
  • ST COLMCILLE SENIOR N S
    primary744 pupilsCatholic649 m
  • SCOIL COLMCILLE NAOFA
    primary721 pupilsCatholic649 m
  • Saplings Special School
    primary30 pupilsMulti Denominational687 m
  • RATHFARNHAM PARISH N S
    primary215 pupilsChurch Of Ireland694 m
  • CHEEVERSTOWN SP SCH
    primary29 pupilsCatholic694 m
  • ST PATRICK GNS
    primary472 pupilsCatholic702 m
  • Coláiste Éanna
    postprimary618 pupilsCATHOLIC781 m

Stops 40 · routes 15, 15B, 15D, 49n, 65, 65B, 82, F1, S6, S8, UM08

  • Coolamber Court
    1587 m
  • Knockcullen Rise
    15122 m
  • Coolamber Court
    15164 m
  • Knockcullen Rise
    15169 m
  • Cherryfield Wy
    F1, S6361 m
  • Cremorne
    65B, F1, S6411 m
  • Knockaire
    15412 m
  • Woodbrook Pk
    15, F1, S6, UM08521 m
Sources: gtfs, schools · fetched 11 Sept 2026, 19:16
SourceLicenceFetchedLink
gtfsCC-BY-4.011 Sept 2026, 19:16open
schoolsCC-BY-4.011 Sept 2026, 16:41open

Sources used in this report

SectionSourceLicenceFetched
LocationplacesCC-BY-4.011 Sept 2026, 21:28
ParcelparcelsCC-BY-4.011 Sept 2026, 19:06
ZoningzoningCC-BY-4.012 Sept 2026, 02:04
Constraintsconstraintsmixed — CC-BY-4.0 except OPW flood (CC-BY-NC-ND-4.0, publishable=false)11 Sept 2026, 19:11
Constraintsconstraints.flood_cframCC-BY-NC-ND-4.0 · not redistributable, flag only11 Sept 2026, 19:11
Constraintsconstraints.niahCC-BY-4.011 Sept 2026, 19:11
Constraintsconstraints.radonCC-BY-4.011 Sept 2026, 19:11
Constraintsconstraints.smrCC-BY-4.011 Sept 2026, 19:11
RzltrzltCC-BY-4.012 Sept 2026, 00:23
PlanningnpadCC-BY-4.012 Sept 2026, 20:38
AppealsacpCC-BY-4.012 Sept 2026, 00:05
CommencementsbcmsCC-BY-4.012 Sept 2026, 23:34
Salescara_listingsThird-party advertisement data captured by Cara from daft.ie. Not open data: internal analysis only, no redistribution of listing content. Business-contact details (licensed PSP name and branch) are retained per Cara DECISIONS 2026-08-19; agent phone numbers and all vendor/buyer identities are dropped.11 Sept 2026, 20:14
SalespprPSI — PSRA re-use terms (psr.ie/re-use-of-public-sector-information). Free re-use in any format provided the source and PSRA copyright are acknowledged, the data is reproduced accurately and not used misleadingly, and it is NOT used 'for the principal purpose of advertising or promoting a particular product or service'. Attribution: 'Contains PSRA Residential Property Price Register data, © Property Services Regulatory Authority.'12 Sept 2026, 20:31
Consultationsconsultpublic12 Sept 2026, 02:04
Council itemsmoderngovpublic12 Sept 2026, 21:48
Capacityesbnall-rights-reserved (esbnetworks.ie disclaimer: personal/non-commercial, no modification or republication without written ESB permission) — permission NOT sought · not redistributable, flag only11 Sept 2026, 16:42
Public landlda_landsCC-BY-4.011 Sept 2026, 16:43
Projectssocial_housingCC-BY-SA-4.011 Sept 2026, 20:13
AmenitiesgtfsCC-BY-4.011 Sept 2026, 19:16
AmenitiesschoolsCC-BY-4.011 Sept 2026, 16:41
DeadlinesacpCC-BY-4.012 Sept 2026, 00:05
Deadlinesconsultpublic12 Sept 2026, 02:04
Deadlinesmoderngovpublic12 Sept 2026, 21:48
DeadlinesnpadCC-BY-4.012 Sept 2026, 20:38
DeadlinesrzltCC-BY-4.012 Sept 2026, 00:23

Generated 13 Sept 2026, 16:54 from the Planning Register store. Nothing on this page was fetched live: every figure was already in the store with the fetch time shown. Deadlines are derived from published receipt and decision dates under the Planning and Development Act 2000; confirm with the planning authority before relying on them.