Neighbourhoods · South Dublin · last 24 months · 49 electoral divisions

Where households extend most — South Dublin neighbourhoods

Data updated 3 Oct 2026 · register lag up to 7 days · sources & freshness

23.4

applications per 1,000 homes

54%

household works

15%

for work already done

12%

refused

21%

asked for more details

Busiest Extending Built first Refusals Slowest Further info Appeals Building 12 months 24 months

All Dublin Dublin City Dún Laoghaire-Rathdown Fingal South Dublin

Where households extend most 42 ranked

Share of applications that are extensions, attics, dormers, porches, garden rooms and the like.

#	Neighbourhood	household works	Applications	Households	Retention	Refused	Median days
1	Templeogue-Orwell	88%	26	727	15%	8%	45
2	Templeogue Village	87%	30	845	7%	3%	50
3	Rathfarnham-Ballyroan	85%	40	980	15%	0%	51
4	Templeogue-Kimmage Manor	84%	69	1,758	7%	5%	48
5	Ballyboden	79%	57	1,797	7%	13%	47
6	Rathfarnham-Hermitage	79%	42	1,581	14%	11%	50
7	Firhouse Village	78%	87	3,945	13%	11%	53
8	Rathfarnham Village	73%	55	1,253	9%	14%	49
9	Rathfarnham-Butterfield	73%	45	1,226	16%	5%	50
10	Lucan-Esker	72%	193	9,990	13%	10%	49
11	Terenure-Greentrees	70%	54	1,113	13%	12%	48
12	Palmerston Village	69%	52	1,451	25%	12%	54
13	Templeogue-Limekiln	68%	44	1,431	25%	7%	50
14	Rathfarnham-St. Enda's	66%	35	1,453	6%	11%	43
15	Firhouse-Ballycullen	64%	69	3,313	10%	10%	46
16	Terenure-Cherryfield	61%	33	885	6%	0%	48
17	Lucan-St. Helens	60%	170	5,363	14%	13%	48
18	Templeogue-Cypress	59%	39	983	26%	6%	43
19	Firhouse-Knocklyon	59%	39	1,288	23%	6%	52
20	Edmondstown	56%	52	1,916	15%	2%	48
21	Tallaght-Oldbawn	54%	41	1,583	20%	18%	48
22	Clondalkin Village	48%	67	3,201	16%	16%	53
23	Lucan Heights	46%	69	1,921	4%	14%	48
24	Rathcoole	46%	59	2,172	22%	27%	48
25	Terenure-St. James	45%	20	1,045	15%	—	—
26	Tallaght-Kiltipper	42%	31	3,193	26%	8%	45
27	Clondalkin-Monastery	41%	87	3,933	17%	17%	50
28	Palmerston West	41%	41	2,230	12%	8%	49
29	Clondalkin-Cappaghmore	41%	27	758	7%	4%	45
30	Clondalkin-Ballymount	39%	44	629	11%	14%	53
31	Bohernabreena	39%	41	1,740	20%	20%	53
32	Clondalkin-Moorfield	37%	38	2,283	39%	20%	50
33	Tallaght-Tymon	37%	30	1,879	23%	9%	46
34	Tallaght-Jobstown	32%	37	5,711	27%	19%	53
35	Saggart	31%	54	1,791	24%	34%	46
36	Clondalkin-Dunawley	30%	47	3,826	11%	12%	55
37	Tallaght-Kingswood	29%	35	1,499	14%	13%	53
38	Tallaght-Springfield	28%	64	3,831	9%	13%	48
39	Newcastle	27%	102	1,814	12%	10%	52
40	Tallaght-Kilnamanagh	27%	51	1,552	29%	18%	49

Every council 31

#	Council	household works	Applications	Retention	Refused	Median days
1	South Dublin	54%	2,346	15%	12%	49
2	Cork City	53%	523	19%	5%	62
3	Dublin City	48%	5,481	14%	10%	55
4	Leitrim	44%	507	28%	4%	53
5	Galway City	41%	691	27%	14%	55
6	Sligo	38%	1,145	24%	7%	52
7	Kildare	37%	3,349	25%	20%	61
8	Wicklow	36%	2,793	21%	14%	54
9	Waterford	36%	2,250	21%	11%	56
10	Limerick	35%	2,833	20%	11%	61
11	Tipperary	34%	3,082	30%	4%	55
12	Cavan	34%	1,617	24%	5%	58
13	Dún Laoghaire-Rathdown	33%	3,870	11%	13%	52
14	Meath	33%	3,487	21%	13%	55
15	Louth	33%	2,094	29%	15%	52
16	Cork County	31%	6,856	21%	8%	66
17	Clare	31%	2,430	20%	6%	55
18	Kilkenny	31%	1,902	22%	7%	63
19	Westmeath	31%	1,382	21%	12%	60
20	Roscommon	31%	1,374	22%	13%	98
21	Kerry	30%	2,649	30%	12%	63
22	Longford	30%	612	19%	14%	50
23	Carlow	29%	919	18%	8%	82
24	Fingal	28%	3,390	21%	22%	54
25	Mayo	28%	2,748	18%	7%	60
26	Donegal	27%	5,102	24%	7%	50
27	Laois	26%	1,973	23%	7%	55
28	Offaly	25%	1,633	21%	9%	79
29	Monaghan	25%	1,305	19%	7%	97
30	Galway County	21%	3,889	24%	13%	54
31	Wexford	18%	2,880	27%	16%	54

How it is counted

A neighbourhood is a CSO electoral division; its households and population are the 2022 census totals of the small areas inside it. Every application, appeal and building-start notice is counted in the division where it is on the map.
Household works are applications whose description says extension, attic, dormer, porch, garden room, garage conversion and the like, and does not say apartments, units, commercial, retail or office.
Work already done (retention) is an application to keep something that was built without permission: its type or description says retention. Its grant rate is shown where at least ten were decided.
Decisions count grants and refusals only; invalid, withdrawn and undecided applications are left out of every rate. Days are from the council’s receipt date to its decision date.
A rate is printed only where the neighbourhood has at least 20 of the thing being rated in the window; smaller ones show counts and are not ranked.
Councils have no per-household figures outside Dublin: the census spine is loaded for the Dublin region only.

Sources: National Planning Application Database (NPAD), CSO Census 2022 Small Area Population Statistics, An Coimisiún Pleanála case list, Building Control Management System commencement notices · fetched 3 Oct 2026, 03:38

Source	Licence	Fetched	Link
National Planning Application Database (NPAD)	CC-BY-4.0	3 Oct 2026, 03:38	open
CSO Census 2022 Small Area Population Statistics	CC-BY-4.0	3 Oct 2026, 03:38	open
An Coimisiún Pleanála case list	CC-BY-4.0	3 Oct 2026, 03:38	open
Building Control Management System commencement notices	CC-BY-4.0	3 Oct 2026, 03:38	open

Recomputed weekly from the store; last built 3 Oct 2026.

Homes permitted, not started · Grant rates by council · Sources & freshness