Site report · 1000 m radius · generated 13 Sept 2026, 11:37
Knocklyon Avenue
Eircode —Coordinates 53.28656, -6.32270Local 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 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) · 354 m away
- Appeal window closes 16 Sept 20263 days leftSD26A/0156W — Grant 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) · 434 m away
- Observations close 17 Sept 20264 days leftSD26B/0371W — application received — Conversion of existing attic space comprising of modification of existing roof structure; raising of existing gable c/w5 weeks from receipt (13 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 820 m away
- Judicial review window closes 17 Sept 20264 days leftGrant permission8 weeks from the Commission's decision (23 Jul 2026) · s.50 Planning and Development Act 2000 · 494 m away
- Observations close 17 Sept 20264 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 · 458 m away
- Observations close 17 Sept 20264 days leftSD26B/0372W — application received — Retention for a flat roof over the existing front porch extension; revised ground floor front elevation fenestration; re5 weeks from receipt (13 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 512 m away
- Observations close 22 Sept 20269 days leftSD26A/0197W — application received — The proposed development will consist of the subdivision of the existing rear garden space, to enable the erection of 2n5 weeks from receipt (18 Aug 2026) · s.34 Planning and Development Act 2000 · art. 29 Regulations 2001 · €20 to the council · 691 m away
- Judicial review window closes 20 Oct 202637 days leftRefuse permission8 weeks from the Commission's decision (25 Aug 2026) · s.50 Planning and Development Act 2000 · 166 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 1762911 (freehold), 518 m²
Census 2022, small area 267086002
328
people
114
households
120
dwellings
98.2% owner-occupied, 0.9% privately rented, 0% social. Vacancy 2.5%.
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 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.
| Designation | Count | Examples |
|---|---|---|
| Natural Heritage Area (incl. proposed) | 1 | Dodder Valley |
| NIAH-recorded building | 19 | Bellavista Mill; Spawell House; Knocklyon Cross |
| 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 | 15 | Church; Graveyard; Graveslab |
Sources: constraints, constraints.flood_cfram, constraints.nha, 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.flood_cfram | CC-BY-NC-ND-4.0 · not redistributable — shown as a flag only | 11 Sept 2026, 19:11 | open |
| constraints.nha | CC-BY-4.0 | 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 (0.05 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 197 in 5 years within 1.0 km
Open for observation
- 75, Monalea Grove, Firhouse, Dublin 24, D24 K1W3 observations close 17 Sept 2026 · 4 days leftConversion of existing attic space comprising of modification of existing roof structure; raising of existing gable c/w window; new access stairs; two roof windows to the front and flat roof dormer to the rear.
- Iona Pastoral Community Centre, Idrone Avenue, Dublin, D16 T299 observations close 17 Sept 2026 · 4 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.
- 22 Coolamber Park, Knocklyon, Dublin 16, D16 A0P0 observations close 17 Sept 2026 · 4 days leftRetention for a flat roof over the existing front porch extension; revised ground floor front elevation fenestration; revised first floor side elevation fenestration.
- 5/5A, Knocklyon Cottages, Knocklyon Road, Knocklyon, Dublin 16 observations close 22 Sept 2026 · 9 days leftThe 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.
Recent decisions and applications
117
Grant permission
14
(undecided)
11
Grant permission for retention
9
Invalid - site notice
- 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.
- Wit's End, The Rookery, Scholarstown Road, Dublin 16 ReferralConstruction 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.
- 66, Knockcullen Drive, Knocklyon, Dublin, D16 K0H2 ReferralDemolition 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.
- 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.
- 12, Hillcrest, Templeogue Rd, Templeogue, D6WKP70 CAI RequestedRetention permission for modification to planning permission SD12/0141 for the following; (A) Ground floor apartment known as 12A and (B) First Floor apartment known as 12B as part of the original 2 storey domestic extension to side (west) of property. Permission to extend by 2.0m across the rear of property at ground floor and at first floor.
- Pairc Ui Mhurchu, Firhouse Road, Dublin 16, D16 A2F8 Grant permission for retentionThe retention of 1.96m wide pedestrian entrance, disabled ramp, handrail, balustrading and associated site works.
`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 16 in 5 years within 1.0 km
- ACP 501266 on SD26B/0056W Refused
- ACP 501053 on SD26A/0001W Granted
- ACP 500579 on SD25A/0150W Granted
- ACP 500186 on SD25A/0189W Granted with conditions
- ACP 321439 on SD23A/0304 Granted with conditions
- ACP 313777 Refused
- ACP 322307 on SD25B/0045W Granted with conditions
- ACP 320268 on SD24A/0111 Refused
- ACP 316272 Granted with conditions
- ACP 317724 on SD22A/0401 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 51 in 3 years within 1.0 km
- 45 Páirc Orlaí, Dublin 16, Dublin, D16 T8Y1 — Opt out commencement notice
- 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
- 21 Ashton Close, Dublin, D16 V528 — 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
- 20 Coolamber Park, Knocklyon, South Dublin, D16 E4W0 — Short commencement notice
- 5A Knocklyon Avenue, Knocklyon, South Dublin, D16 WV38 — 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 12 Sept 2026, 23:34
| Source | Licence | Fetched | Link |
|---|---|---|---|
| bcms | CC-BY-4.0 | 12 Sept 2026, 23:34 | open |
Sales 86 in 36 months within 1.0 km
€573,000
median price
€5,882/m²
median €/m²
86
sales
85
rooftop-geocoded
36
with listing detail
0
new builds
€225,000 – €1,525,000, 15 Nov 2023 to 14 Aug 2026.
| Address | Sold | Price | Asking | Type | Beds | m² | €/m² | BER | Dist. |
|---|---|---|---|---|---|---|---|---|---|
| 16 CASTLEFIELD PARK, CASTLEFIELD MANOR, DUBLIN 16 | 14 Aug 2026 | €653,000 | — | — | — | — | — | — | 758 m |
| 1 MONALEA PARK, FIRHOUSE, DUBLIN 24 | 29 Jan 2026 | €600,000 | €545,000 | Semi-D | 3 | 102 | 5,882 | B3 | 581 m |
| 57 KNOCKCULLEN DRIVE, KNOCKLYON, RATHFARNHAM | 18 Dec 2025 | €820,000 | €700,000 | Detached | 4 | 133 | 6,165 | C3 | 932 m |
| 10 BEVERLY DRIVE, KNOCKLYON, DUBLIN 16 | 17 Dec 2025 | €800,000 | €725,000 | Detached | 3 | 101 | 7,921 | B3 | 601 m |
| 60 LANSDOWNE PARK, KNOCKLYON RD, TEMPLEOGUE DUBLIN 16 | 16 Dec 2025 | €875,000 | €850,000 | Detached | 5 | 141 | 6,206 | C3 | 841 m |
| 19 GARTHY WOOD, KNOCKLYON, DUBLIN 16 | 15 Dec 2025 | €388,000 | €375,000 | Apartment | 2 | 64 | 6,063 | B3 | 622 m |
| 2 KNOCKLYON AVE, KNOCKLYON WOODS, DUBLIN 16 | 1 Dec 2025 | €881,000 | €750,000 | Detached | 4 | 149.8 | 5,881 | F | 43 m |
| 12 DELAFORD PARK, DUBLIN 16, DUBLIN | 27 Nov 2025 | €720,000 | €645,000 | Semi-D | 3 | 116 | 6,207 | B2 | 163 m |
| 62A MONALEA WOOD, FIRHOUSE RD, FIRHOUSE DUBLIN 24 | 24 Nov 2025 | €710,000 | €595,000 | Detached | 3 | 142 | 5,000 | C3 | 755 m |
| 50 KNOCKLYON ROAD, TEMPLEOGUE, DUBLIN 16 | 17 Nov 2025 | €650,100 | €595,000 | Semi-D | 3 | 102.9 | 6,318 | E2 | 967 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 16 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. 39 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
- Dublin City Council — Dublin city and suburbs
- Dublin City Council — Dublin city and suburbs
- South Dublin County Council — Dublin city and suburbs
- Dublin City 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
- SCOIL CARMEL
Stops 34 · routes 15, 49n, 65, 65B, 82, F1, F2, S6, S8, UM08
- Knocklyon Avenue
- Knocklyon Avenue
- Green Acre Ct
- Green Acre Ct
- Sally Park Close
- Sally Park Close
- Knocklyon Shop Cntr
- Knocklyon Shop Cntr
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.flood_cfram | CC-BY-NC-ND-4.0 · not redistributable, flag only | 11 Sept 2026, 19:11 |
| Constraints | constraints.nha | CC-BY-4.0 | 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 | 12 Sept 2026, 23:34 |
| 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 13 Sept 2026, 11:37 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.