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Planning permission in Lucan

Planning permission in Lucan is decided by South Dublin County Council. Search Lucan planning applications, see recent decisions and notices, and check how often projects are granted. Here is how planning applications have gone in Lucan over the last 5 years.

Granted in Lucan

641 granted, 45 refused in the last 5 years. That is 3 points above the South Dublin average.

Applications
842

Received in the last 5 years

Decided
686

Granted or refused

Typical wait
8weeks

Without a request for more information

More info asked
22%

Of decided applications

Recent planning decisions in Lucan

The latest granted and refused applications decided by South Dublin County Council. Wording is trimmed and never includes applicant names.

Granted
The erection of perimeter fencing, to a maximum height of 2.4 metres, including associated access gates, around an all-weather pitch (the...
Scoil Mhuire, Airlie Heights, Lucan, Co. Dublin, K78 KP74, reference SD26A/0207W
20 Oct 2026
Granted
Conversion of roof space to accommodate a bedroom and ensuite shower room, 3 no.
31, St. Helen's Drive, Finnstown, Lucan, Co. Dublin, K78 Y8C3, reference SDZ26B/0008W
19 Oct 2026
Granted
The development will consist / consists of the demolition of an existing shed to the rear, the subdivision of the site and the erection of two new...
51, Dodsborough Cottages, Lucan, Co. Dublin, K78 AP65, reference SD26A/0052W
19 Oct 2026
Granted
Change of use of existing solicitors office to doctors surgery, to include minor internal alterations, and all ancillary site development works.
St Mary’s house, Lucan road, Dublin, K78D258, reference SD26A/0203W
15 Oct 2026
Granted
Construction of a single-storey front porch extension, plus all associated site works.
108 Esker Lawns, Lucan, Co. Dublin, K78 Y5C3, reference SD26B/0374W
9 Oct 2026
Granted
Single storey rear and side extension incorporating internal modifications;
35, Roselawn, Ballydowd, Lucan, Co. Dublin, K78 W0H7, reference SD26B/0364W
29 Sept 2026
Granted
Conversion of existing attic space comprising of modification of existing roof structure;
50, Hermitage Road, Ballydowd, Lucan, Co. Dublin, K78 YP46, reference SD26B/0362W
28 Sept 2026
Granted
Conversion of existing attic space comprising of modification of existing roof structure, new access stairs, 2no.
8, Shackleton Grove, Lucan, Co. Dublin, K78 W3X9, reference SDZ26B/0006W
28 Sept 2026

Lucan planning applications per year

Applications received each year. The coloured part of each bar is the share granted. The outlined bar is the year so far.

Lucan approval rates by project type

How often each kind of project was granted in Lucan over the last 5 years. Types with fewer than 15 decisions are left out.

House extension223 decided
96%
Attic conversion252 decided
99%
Garden room or granny flat16 decided
88%
Shed or garage16 decided
88%
New house15 decided
80%
Apartments and housing schemes45 decided
91%
Change of use19 decided
79%

Other places in South Dublin

Planning a project in Lucan?

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Common questions about Lucan planning

Do I need planning permission in Lucan?

The rules are national, so the same exemptions apply in Lucan as everywhere else. Many small projects, such as some single-storey rear extensions, are exempt under S.I. 600/2001. South Dublin County Council decides applications here, and a site in a protected area or a protected structure has fewer exemptions.

Who decides planning applications in Lucan?

South Dublin County Council is the planning authority for Lucan. It must decide within eight weeks of a valid application, unless it asks for further information.

How many planning applications are granted in Lucan?

93 in 100 decided applications in Lucan were granted over the last 5 years, from 686 decisions.

Source: National Planning Application Database and council planning registers, licensed under CC BY 4.0. Data is a guide and may be out of date, so check with the council. Applicant names are never published.