Site report · 500 m radius · generated 12 Sept 2026, 23:21
Knocklyon Heights
Eircode —Coordinates 53.28448, -6.32382Local 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 4 open windows
- Appeal window closes 14 Sept 20262 days leftSD26B/0309W — Grant Permission — Construction of a 32sq.m ground floor flat roof extension to the rear, providing a new utility room, extended kitchen an4 weeks from the council's decision (17 Aug 2026) · s.37 Planning and Development Act 2000 · €220 to An Coimisiún Pleanála (€110 observer) · 400 m away
- Judicial review window closes 17 Sept 20265 days leftGrant permission8 weeks from the Commission's decision (23 Jul 2026) · s.50 Planning and Development Act 2000 · 348 m away
- Observations close 17 Sept 20265 days leftED26/0081 — application received — Replacing one car park space with one bike rack for bicycles to be parked for visitors to the Iona Centre. Improving acc5 weeks from receipt (13 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 426 m away
- Judicial review window closes 20 Oct 202638 days leftRefuse permission8 weeks from the Commission's decision (25 Aug 2026) · s.50 Planning and Development Act 2000 · 409 m away
Where this is
- Townland
- Knocklyon
- Settlement
- Dublin city and suburbs
- Electoral division
- Firhouse-Knocklyon
- Local electoral area
- Firhouse-Bohernabreena
- Local authority
- South Dublin County Council
- Parcel
- Tailte Éireann 1843779 (freehold), 886 m²
Census 2022, small area 267086001
215
people
91
households
95
dwellings
94.5% owner-occupied, 2.2% privately rented, 0% social. Vacancy 3.2%.
Zoning evaluated against the point
R2 — Existing residential south dublin county development plan 2022 2028 · 8 Mar 2022 – 8 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
| Source | Licence | Fetched | Link |
|---|---|---|---|
| zoning | CC-BY-4.0 | 12 Sept 2026, 02:04 | open |
Designations and constraints within 500 m
No OPW CFRAM/NIFM flood extent within 500 m.
| Designation | Count | Examples |
|---|---|---|
| NIAH-recorded building | 8 | Knocklyon Cross; Prospect House; house |
| Radon risk area | 3 | About 1 in 10 homes in this area is likely to have high radon levels; About 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 monument | 2 | Castle - tower house; R149399 |
Sources: constraints, constraints.niah, constraints.radon, constraints.smr · fetched 11 Sept 2026, 19:11
| Source | Licence | Fetched | Link |
|---|---|---|---|
| constraints | mixed — CC-BY-4.0 except OPW flood (CC-BY-NC-ND-4.0, publishable=false) | 11 Sept 2026, 19:11 | open |
| constraints.niah | CC-BY-4.0 | 11 Sept 2026, 19:11 | open |
| constraints.radon | CC-BY-4.0 | 11 Sept 2026, 19:11 | open |
| constraints.smr | CC-BY-4.0 | 11 Sept 2026, 19:11 | open |
Residential Zoned Land Tax
This site is on an RZLT map — the draft map 2027 and the final map 2026 (0.09 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
| Source | Licence | Fetched | Link |
|---|---|---|---|
| rzlt | CC-BY-4.0 | 12 Sept 2026, 00:23 | open |
Planning applications 72 in 5 years within 500 m
Open for observation
- Iona Pastoral Community Centre, Idrone Avenue, Dublin, D16 T299 observations close 17 Sept 2026 · 5 days leftReplacing 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.
Recent decisions and applications
41
Grant permission
7
Grant permission for retention
5
(undecided)
4
Invalid - site notice
- 1a, Monalea Park, Firhouse, Dublin 24 ReferralModifications to previously granted application SD25A/0084 to include the construction of new rear dormer attic structure with playroom and ensuite and all associated works.
- 18 Idrone Park, Knocklyon, Dublin 16, D16 PX88 Grant permissionConstruction of a 32sq.m ground floor flat roof extension to the rear, providing a new utility room, extended kitchen and dining room with no.1 new rooflight; Attic conversion to the rear extending the property to two storeys to include two additional bedrooms, office space, shower room and en-suite; Two roof lights to the north facing front elevation; External insulation with brick finish to the front, side and rear facades; Ancillary site works as required to facilitate construction works.
- 2 Mount Alton Court, Knocklyon, Dublin 16, D16 HW83 Grant permission for retentionThe development consists of re-location and enlargement of ground floor window to eastern side elevation of dwelling-house.
- Vista Montana, Firhouse Road, Knocklyon, Dublin 16. Grant further ext. of duration of permission(a) Demolition of existing house 'Vista Montana'; (b) construction of 11 no. 3-storey houses consisting of 1 detached 5-bed and 10 semi-detached 4-bed units; (c) new access road with raised crossing at entrance off Firhouse Road; (d) provision of on-street parking and off-street parking; (e) connection to Local Authority and Irish Water storm, foul and water main systems, and all associated site works.
- 8, Monalea Park, Firhouse, D24HF62 Grant permissionProposed build-up of existing hip in roof to side of roof into Dutch hip at attic level, with window in proposed gable wall, dormer roof window on rear slope of roof all at attic level.
- 9, Knocklyon Close, Knocklyon, Dublin, D16 TP94 Grant permissionAmendmetns to the first floor extension previously granted planning permission Reg Ref: SD21B/0021
- 30, Idrone Drive, Ballyroan, Dublin 16, D16 T9W7 Grant permissionProposed construction of a dormer attic extension and alterations to existing dormer to the rear and all associated site works to existing dwelling house.
- Proposed Social and Affordable Mixed Tenure Housing Development, on SDCC land at Castlefield Avenue, Old Knocklyon Road, Dublin 16. Unregistered applicationThe proposed development is comprised of 29 homes and all associated open spaces and all site and development works necessary to facilitate the proposed development and will include: i. Construction of 8 No. three-storey, three-bedroom houses in two terraced buildings. ii. Construction of 4 No. two-bedroom apartments in a two-storey building. iii. Construction of a two and three-storey apartment building which will comprise: 1 No. studio apartment, 8 No. one-bedroom apartments, 4 No. two-bedroom apartments and 4 No. three-bedroom apartments. iv. New boundary treatment to adjoining properties and roads. Associated upgrading of roadways and paths, provision of car and cycle parking spaces. All hard and soft landscape works, lighting, boundary structures and all associated ancillary buildings, infrastructure to include a pumping station, and all site and development works necessary to facilitate the proposed development. The proposal has undergone Screening for Appropriate Assessment in accordance with Article 6(3) of the Habitats Directive (92/43/EEC) and Screening for Environmental Impact Assessment under the EIA Directive 2011/92/EU, as amended by Directive 2014/52/EU. In accordance with Article 81 of the Planning & Development Regulations 2001, as amended, the Planning Authority has made a determination and concluded that: (a) The proposed development, either individually or in combination with other plans and projects, is not likely to have a significant effect on any European site(s) and therefore a Stage 2 Appropriate Assessment is not required. (b) There is no real likelihood of significant effects on the environment arising from the proposed development and that the proposed development is not of a class set out under Schedule 5 of the Planning and Development Regulations 2001, as amended, and therefore does not require an Environmental Impact Assessment Report (EIAR). Any person may, within 4 weeks from the date of publication of this notice, apply to An Coimisiún Pleanála for a screening determination as to whether the development would be likely to have significant effects on the environment. The plans and particulars of the proposed development are available for inspection online on the council’s public consultation portal website (http://consult.sdublincoco.ie) during the period from 5th of March 2026 to 21st of April 2026. Printed plans and particulars of the proposed development are available for inspection or purchase at a fee not exceeding the reasonable cost of making a copy at County Hall, Tallaght, Dublin 24, during office hours from 5th of March 2026 to 7th of April 2026. Submissions: Submissions or observations with respect to the proposed development dealing with the proper planning and sustainable development of the area in which the proposed development will be situated may be made in writing up to 21st of April 2026 and may be submitted as follows; • On South Dublin County Council’s public consultation portal website http://consult.sdublincoco.ie, under Consultation by 11:59pm on 21st of April 2026. Or • In writing addressed to the Senior Executive Officer, Housing Directorate, South Dublin County Council, County Hall, Tallaght, Dublin 24, to be received on or before 5.00pm on 21st of April 2026. Submission should be labelled “29no. new homes at Castlefield Avenue, Knocklyon, Dublin 16” NOTE: Please make your submission by one medium only. Only submissions received by 21st of April 2026 and addressed as set out above will be considered. Submissions should state the name, address, and, where relevant, details of any organisation, community group or company etc. which you represent. Only submissions received as set out above will be considered. It should be noted that the Freedom of Information Act, 1997-2006 (as amended) applies to all records held by South Dublin County Council. The council’s personal data privacy statements can be viewed at www.sdcc.ie and all personal data will be retained in line with statutory requirements.
- 16 Idrone Park, Knocklyon, Dublin 16, D16PX29 Grant permissionDemolition of an existing single story glazed conservatory and store, construction of a new 2 storey extension and attic conversion to the rear providing an extended kitchen and dining room at ground floor, two additional bedrooms and bathroom at the new first floor level, a new roof light to the north facing roof, external insulation with render finish and all associated drainage works and site works as required.
`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
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 12 Sept 2026, 20:38 | open |
Appeals 5 in 5 years within 500 m
- ACP 501266 on SD26B/0056W Refused
- ACP 501053 on SD26A/0001W Granted
- ACP 500186 on SD25A/0189W Granted with conditions
- ACP 320268 on SD24A/0111 Refused
- ACP 315930 on SD22A/0444 Refused
Source: acp · fetched 12 Sept 2026, 00:05
| Source | Licence | Fetched | Link |
|---|---|---|---|
| acp | CC-BY-4.0 | 12 Sept 2026, 00:05 | open |
Commencement notices 14 in 3 years within 500 m
- 2 Knocklyon Avenue, Dublin 16, Dublin, D16 H3K8 — Opt out commencement notice
- 3 Knocklyon Avenue, Dublin 16, Dublin, D16 Y9P0 — Opt out commencement notice
- 23 Knocklyon Close, Dublin, D16FA44 — Opt out commencement notice
- 16 Idrone Park, Knocklyon, South Dublin, D16 PX29 — Opt out commencement notice
- 15 Knocklyon Park, Knocklyon, South Dublin, D16 N1W8 — Short commencement notice
- 1A Monalea Park, Firhouse, South Dublin — Opt out commencement notice
- 5A Knocklyon Avenue, Knocklyon, South Dublin, D16 WV38 — Short commencement notice
- 16 Delaford Drive, Knocklyon, South Dublin, D16 K7Y3 — Opt out commencement notice
- 5 Delaford Lawn, Knocklyon, South Dublin, D16 C5Y9 — Opt out commencement notice
- 18 Delaford Grove, Knocklyon, South Dublin, D16 T6V9 — Short commencement notice
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 11 Sept 2026, 23:29
| Source | Licence | Fetched | Link |
|---|---|---|---|
| bcms | CC-BY-4.0 | 11 Sept 2026, 23:29 | open |
Sales 34 in 36 months within 500 m
€600,000
median price
€5,884/m²
median €/m²
34
sales
33
rooftop-geocoded
16
with listing detail
0
new builds
€250,000 – €1,525,000, 15 Nov 2023 to 29 Jan 2026.
| Address | Sold | Price | Asking | Type | Beds | m² | €/m² | BER | Dist. |
|---|---|---|---|---|---|---|---|---|---|
| 1 MONALEA PARK, FIRHOUSE, DUBLIN 24 | 29 Jan 2026 | €600,000 | €545,000 | Semi-D | 3 | 102 | 5,882 | B3 | 455 m |
| 10 BEVERLY DRIVE, KNOCKLYON, DUBLIN 16 | 17 Dec 2025 | €800,000 | €725,000 | Detached | 3 | 101 | 7,921 | B3 | 454 m |
| 19 GARTHY WOOD, KNOCKLYON, DUBLIN 16 | 15 Dec 2025 | €388,000 | €375,000 | Apartment | 2 | 64 | 6,063 | B3 | 498 m |
| 2 KNOCKLYON AVE, KNOCKLYON WOODS, DUBLIN 16 | 1 Dec 2025 | €881,000 | €750,000 | Detached | 4 | 149.8 | 5,881 | F | 200 m |
| 12 DELAFORD PARK, DUBLIN 16, DUBLIN | 27 Nov 2025 | €720,000 | €645,000 | Semi-D | 3 | 116 | 6,207 | B2 | 356 m |
| 38 KNOCKFIELD MANOR, KNOCKLYON, DUBLIN 16 | 2 Oct 2025 | €975,000 | €895,000 | Detached | 4 | 161 | 6,056 | B3 | 175 m |
| 1 BEVERLY DOWNS, BEVERLY COURT, KNOCKLYON DUBLIN 16 | 19 Sept 2025 | €765,000 | €650,000 | Semi-D | 4 | 130 | 5,885 | B3 | 389 m |
| 24 BEVERLY CRESCENT, KNOCKLYON, DUBLIN 16 | 19 Sept 2025 | €565,000 | €545,000 | Semi-D | 3 | 108 | 5,231 | D1 | 455 m |
| 1 BEVERLY HEIGHTS, KNOCKLYON, DUBLIN 16 | 1 Sept 2025 | €780,000 | €725,000 | Semi-D | 5 | 143 | 5,455 | D1 | 460 m |
| 23 BEVERLY CRESCENT, TEMPLEOGUE, DUBLIN 16 | 29 Aug 2025 | €582,500 | €550,000 | Semi-D | 3 | 117 | 4,979 | C2 | 417 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
| Source | Licence | Fetched | Link |
|---|---|---|---|
| cara_listings | Third-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 | open |
| ppr | PSI — 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 | open |
Consultations 3 matched by place
- Safe Routes to School Scoil Naomh Aine Clondalkin 3 days left
- Notice of Consideration of a Scheme for the Abatement of Rates in Respect of Vacant Properties 2027 5 days left
- Clonburris Proposed Material Amendment to the Clonburris Strategic Development Zone Planning Scheme 2019 17 days left
Source: consult · fetched 12 Sept 2026, 02:04
| Source | Licence | Fetched | Link |
|---|---|---|---|
| consult | public | 12 Sept 2026, 02:04 | open |
Council items 10 in 24 months
- With regard to St Josephs burial Ground in Bohernabreena, are the Council any closer to identifying the owners of the various unused plots in the old part of the cemetery? And are the Council any closer to finding a solution to taking these back in charge, where the owners are unknown or not traceable?
- Please advise which footpaths are listed for repairs in the Knocklyon area for 2026 and what is the budget that that has been allocated for these repairs. Can a copy of the priority list for footpaths in Knocklyon be provided please.
- Association of Irish Regions (AIR) Annual Training Seminar 2026, 25th and 26th February 2026 Inishowen Gateway Hotel, Buncrana, Co. Donegal
- To ask the manager whether there are plans to remove the split cycle and pedestrian lane between the Community Centre and the Firhouse Community College on Ballycullen Drive due to the cycle lane in both directions on the other side of the road, update the markings and add a no cycling sign to make the commute to school safer for smaller children?.
- To ask for an update on works being carried out at derelict Old Tanning Factory in Bohernabreena.
- New Works: Part 8 - Proposed Social and Affordable Mixed Tenure Housing Development on Council Land at Castlefield, Old Knocklyon Road, Dublin 16
- Can the Chief Executive please provide an update on the repair of the footpath running across the green from 165 Woodlawn Park Grove, Firhouse to the Ballycullen Road, just above Monalea Grove. This footpath was provided for in the programme of works previously.
- To ask the manager to provide any information available regarding the recurrent water outages in Knocklyon, with specific references to the ongoing issues being experienced by residents in Dargle Wood.
- To ask the Chief Executive if the following issues have been considered, regarding the construction work on Killininny. Many residents have raised concerns with me regarding construction of the cycle lane which will leave barely enough room for two vehicles to meet. Driving from Old Bawn towards the M50 now requires motorists to drive on dangerous drainage shores every few yards. With the cycle la
- Association of Irish Regions (AIR) Annual Seminar which takes place on 5th - 6th of February 2025 in the Radisson Blu Hotel, Athlone
Source: moderngov · fetched 12 Sept 2026, 21:48
| Source | Licence | Fetched | Link |
|---|---|---|---|
| moderngov | public | 12 Sept 2026, 21:48 | open |
Capacity and public land
No publishable utility-capacity record within the radius. 9 records from Esb substation withheld: source licence forbids redistribution; see the operator's own register.
Public land (LDA register of relevant lands)
- Dublin City Council — Dublin city and suburbs
- Dublin City Council — Dublin city and suburbs
- Dublin City Council — Dublin city and suburbs
- South Dublin County Council — Dublin city and suburbs
- South Dublin County Council — Dublin city and suburbs
- Dún Laoghaire-Rathdown County Council — Dublin city and suburbs
- South Dublin County Council — Dublin city and suburbs
- Dublin City Council — Dublin city and suburbs
Sources: esbn, lda_lands · fetched 11 Sept 2026, 16:42
| Source | Licence | Fetched | Link |
|---|---|---|---|
| esbn | all-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 only | 11 Sept 2026, 16:42 | open |
| lda_lands | CC-BY-4.0 | 11 Sept 2026, 16:43 | open |
Schools and public transport within 1.0 km
Schools
- GAELSCOIL CHNOC LIAMHNA
- SCOIL COLMCILLE NAOFA
- ST COLMCILLE SENIOR N S
- St. Colmcille's Community School
- SCOIL CARMEL
Stops 35 · routes 15, 49n, 65, 65B, 82, F1, S6, S8, UM08
- Knocklyon Avenue
- Sally Park Close
- Sally Park Close
- Knocklyon Shop Cntr
- Monalea Grove
- Knocklyon Shop Cntr
- Monalea Grove
- Knocklyon Avenue
Sources used in this report
| Section | Source | Licence | Fetched |
|---|---|---|---|
| Location | places | CC-BY-4.0 | 11 Sept 2026, 21:28 |
| Parcel | parcels | CC-BY-4.0 | 11 Sept 2026, 19:06 |
| Zoning | zoning | CC-BY-4.0 | 12 Sept 2026, 02:04 |
| Constraints | constraints | mixed — CC-BY-4.0 except OPW flood (CC-BY-NC-ND-4.0, publishable=false) | 11 Sept 2026, 19:11 |
| Constraints | constraints.niah | CC-BY-4.0 | 11 Sept 2026, 19:11 |
| Constraints | constraints.radon | CC-BY-4.0 | 11 Sept 2026, 19:11 |
| Constraints | constraints.smr | CC-BY-4.0 | 11 Sept 2026, 19:11 |
| Rzlt | rzlt | CC-BY-4.0 | 12 Sept 2026, 00:23 |
| Planning | npad | CC-BY-4.0 | 12 Sept 2026, 20:38 |
| Appeals | acp | CC-BY-4.0 | 12 Sept 2026, 00:05 |
| Commencements | bcms | CC-BY-4.0 | 11 Sept 2026, 23:29 |
| Sales | cara_listings | Third-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 |
| Sales | ppr | PSI — 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 |
| Consultations | consult | public | 12 Sept 2026, 02:04 |
| Council items | moderngov | public | 12 Sept 2026, 21:48 |
| Capacity | esbn | all-rights-reserved (esbnetworks.ie disclaimer: personal/non-commercial, no modification or republication without written ESB permission) — permission NOT sought · not redistributable, flag only | 11 Sept 2026, 16:42 |
| Public land | lda_lands | CC-BY-4.0 | 11 Sept 2026, 16:43 |
| Projects | social_housing | CC-BY-SA-4.0 | 11 Sept 2026, 20:13 |
| Amenities | gtfs | CC-BY-4.0 | 11 Sept 2026, 19:16 |
| Amenities | schools | CC-BY-4.0 | 11 Sept 2026, 16:41 |
| Deadlines | acp | CC-BY-4.0 | 12 Sept 2026, 00:05 |
| Deadlines | consult | public | 12 Sept 2026, 02:04 |
| Deadlines | moderngov | public | 12 Sept 2026, 21:48 |
| Deadlines | npad | CC-BY-4.0 | 12 Sept 2026, 20:38 |
| Deadlines | rzlt | CC-BY-4.0 | 12 Sept 2026, 00:23 |
Generated 12 Sept 2026, 23:21 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.