House extensions in Mid East Antrim

Mid East Antrim received 263 householder applications in the last 12 months - about 5 a week. Garage works and rear extensions are the most common. Of the 180 decided so far, 175 were approved. If you're planning your own, the applications below show what people nearby applied for and how the council decided.

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Showing 50 of 67 applications
21 Oct 2026 Consultation Open LA02/2026/0757/F

1 Town Lane Islandmagee Larne BT40 3SZ

External and internal alterations to the Grade B1 listed thatched cottage, including change of use to the Nissen Hut from ancillary storage to ancilla...

Full Mid East Antrim
21 Oct 2026 Consultation Open LA02/2026/0769/O

40M NE of 14b Gillistown Road Toomebridge BT41 3QD

Proposed replacement dwelling & detached garage.

Outline Mid East Antrim
21 Oct 2026 Consultation Open LA02/2026/0771/F

133 Lettercreeve, Ballymena, BT42 2EU

Level Access Ramp to Front of Property

Full Mid East Antrim
21 Oct 2026 Consultation Open LA02/2026/0772/F

11 Granagh Road, Cullybackey, Ballymena, BT42 1EG

Modifications and Alterations to dwelling and Garage incorporating granny annex, additional living area, gym and reconfiguring bedroom spaces.

Full Mid East Antrim
21 Oct 2026 Consultation Open LA02/2026/0773/F

15 Castle Street, Glenarm, BT44 0AT

Conversion of Rear Outbuilding to provide sitting room and study

Full Mid East Antrim
15 Oct 2026 Consultation Open LA02/2026/0759/F

15 Glenhugh Park Ahoghill, Ballymena BT42 1LR

Domestic Garage

Full Mid East Antrim
15 Oct 2026 Site Inspection Complete LA02/2026/0751/F

39 The Roddens Larne BT40 1QX

2 storey extension to rear of dwelling

Full Mid East Antrim
15 Oct 2026 Consultation Open LA02/2026/0756/LBC

1 Town Lane Islandmagee Larne BT40 3SZ

External and internal alterations to the Grade B1 listed thatched cottage, including change of use to the Nissen Hut from ancillary storage to ancilla...

Listed Building Consent Mid East Antrim
14 Oct 2026 Valid LA02/2026/0754/NMC

No. 15, 15a & 17a Windsor Avenue, Outbuildings to rear of 11b and rear return of 15 Windsor Avenue & No. 1 Malone Avenue

Non Material Change to LA02/2022/0576/F - Change from fibre cement slate roof to black concrete flat tile.

Non Material Change Mid East Antrim
13 Oct 2026 Consultation Open LA02/2026/0748/F

26 Island Road Redhall Ballycarry BT38 9JE

Replace existing conservatory at rear of house with single-storey extension

Full Mid East Antrim
8 Oct 2026 Consultation Open LA02/2026/0730/F

13 Point Street, Larne, County Antrim, Northern Ireland, BT40 1HY

Change of front elevation to a victorian /edwardian frontage

Full Mid East Antrim
8 Oct 2026 Consultation Open LA02/2026/0716/F

2 Milebush Close Carrickfergus BT38 7RX

Demolition / replacement of existing side UPVC sunroom, with new extended Sunroom.

Full Mid East Antrim
8 Oct 2026 Valid LA02/2026/0720/F

34a Grange Road, Antrim, BT41 3QE

Proposed single-storey rear and side extension to existing detached bungalow

Full Mid East Antrim
7 Oct 2026 Site Inspection Complete LA02/2026/0724/F

30 Dunminning Road, Ballymena, BT42 1PE

Extension to existing Care Home to provide an additional 2No single storey bedrooms complete with ensuites

Full Mid East Antrim
6 Oct 2026 Consultation Open LA02/2026/0723/F

Between 14 & 4 Ballycreggy Road, Ballymena, BT42 3HP

Change of house type to that approved under LA02/2026/0312/RM (resiting of dwelling, removal of garage and increase in ridge height from 6.5m above f...

Full Mid East Antrim
5 Oct 2026 Site Inspection Complete LA02/2026/0718/F

116 Cloughwater Road, Ballymena, BT43 6SZ

Proposed alterations to existing dwelling to include closing over first floor rear facing window and provision of new dormer window to side elevation ...

Full Mid East Antrim
2 Oct 2026 Consultation Open LA02/2026/0702/F

27 Linenhall Street Town Parks Ballymena BT43 5AJ

Proposed Frontage Upgrade to Windows & Removing Facing Brick to Render

Full Mid East Antrim
2 Oct 2026 Consultation Open LA02/2026/0707/F

7b Craigstown Road Castlegore Ballymena BT42 3DF

Single storey extension to side of dwelling.

Full Mid East Antrim
30 Sept 2026 Site Inspection Complete LA02/2026/0699/F

84 Taylorstown Road, Toomebridge, BT41 3RW

Single storey side extension and rear extension to kitchen with internal alterations with extension to curtilage (renewal)

Full Mid East Antrim
30 Sept 2026 Consultation Open LA02/2026/0705/F

53 Station Road Greenisland, Carrickfergus BT38 8UP

Proposed single storey rear extension and demolition of existing garage.

Full Mid East Antrim
30 Sept 2026 Consultation Open LA02/2026/0708/F

41 McCareys Loanen, Larne, BT40 2DN

Single storey extension and internal structural alterations to domestic dwelling

Full Mid East Antrim
29 Sept 2026 Site Inspection Complete LA02/2026/0701/F

30 Russellstown Road, Gracehill, Ballymena, BT42 1HP

Proposed alterations and renovation of existing dwelling, existing garage conversion to home gym & entertaining space and extension to existing garage...

Full Mid East Antrim
28 Sept 2026 Consultation Open LA02/2026/0697/F

14 Aughaboy Road, Ballymena, BT44 0DZ

Ground Floor Side Extension, Internal Shower Adaption and Level Access ramp at Front of Property.

Full Mid East Antrim
23 Sept 2026 Consultation Open LA02/2026/0689/F

6 Tullyglass Park, Ballymena, BT42 1HH

Single storey double garage outbuilding

Full Mid East Antrim
23 Sept 2026 Consultation Open LA02/2026/0693/F

60 Woodtown Road Ballymena BT43 5QS

Single storey rear extension

Full Mid East Antrim
22 Sept 2026 Site Inspection Complete LA02/2026/0634/F

Mary Queen of Peace Church 119 Glenravel Road Martinstown Ballymena BT43 6QL

Extension to the site of existing church to provide a disabled WC and a single WC and associated works to include a ramp and steps and 10 No. disabled...

Full Mid East Antrim
18 Sept 2026 Consultation Open LA02/2026/0681/F

25 Mill Brae, Larne, BT40 2BZ

Demolition of existing extension and construction of rear & side, single storey, extension & roofspace conversion with front dormer window, with assoc...

Full Mid East Antrim
15 Sept 2026 Valid LA02/2026/0673/F

89 Longmore Road Ballymena Broughshane BT43 7HP

Proposed two storey side extension with alterations

Full Mid East Antrim
14 Sept 2026 Consultation Open LA02/2026/0629/F

14 Fisherwick Crescent Ballymena BT43 7EB

A New proposed single storey rear extension along with associated internal alterations to provide facilities for a person with a disability.

Full Mid East Antrim
14 Sept 2026 Consultation Open LA02/2026/0672/F

27 Galgorm Hall, Ballymena

Single storey side & rear extension to existing dwelling

Full Mid East Antrim
11 Sept 2026 Decided 15 Sep LA02/2026/0669/NMC

53A Ballylesson Road Larne BT40 3HL

Non-Material Change to LA02/2025/0792/F - Removal of corner window to RHS, window added to side elevations, window head height reduction to match exis...

Non Material Change Mid East Antrim
11 Sept 2026 Site Inspection Complete LA02/2026/0599/F

6 Atlantic Avenue, Carnlough, Ballymena, BT44 0HH

Loft conversion with front and rear dormers, front porch, single storey rear extension and re-roofing of existing domestic garage

Full Mid East Antrim
11 Sept 2026 Consultation Open LA02/2026/0662/F

39 Killyglen Road, Larne, BT40 2HR

Single storey annexe extension to rear of dwelling

Full Mid East Antrim
11 Sept 2026 Consultation Open LA02/2026/0660/F

2 The Parks, Old Park Road, Galgorm

Proposed rear extension to garage to provide small garden store and first floor extension to provide domestic storage room /gym above garage.

Full Mid East Antrim
11 Sept 2026 Consultation Open LA02/2026/0668/F

19 Balfour Avenue Whitehead BT38 9RD

Single-storey extension and replacement of existing small flat roof incorporating roof lantern, all at rear of house

Full Mid East Antrim
11 Sept 2026 Consultation Open LA02/2026/0665/F

24 Rankinstown Road, Ballymarlagh, Ballymena, BT42 3HR

Single storey rear extension to Dwelling

Full Mid East Antrim
9 Sept 2026 Consultation Open LA02/2026/0625/F

11 Rhanbuoy Park Carrickfergus BT38 8BS

Single storey side and rear extensions and extend fence on side boundary

Full Mid East Antrim
9 Sept 2026 Consultation Open LA02/2026/0627/F

5 Charles Legg Drive Carrickfergus BT38 7ES

Amendment to approved first floor extension to extend the RHS by approximately 800mm, aligning the first floor extension with the full width of the ap...

Full Mid East Antrim
9 Sept 2026 Consultation Open LA02/2026/0635/F

200 Middle Road, Islandmagee, Larne, BT40 3TG

Addition of a two storey rear extension to a traditional stone house. Extended ground floor kitchen and dining with shower room and cloak room. New ...

Full Mid East Antrim
8 Sept 2026 Approved 21 Oct LA02/2026/0590/F

94 Main Street Larne BT40 1RE

Ancillary Storage Building

Full Mid East Antrim
8 Sept 2026 Site Inspection Complete LA02/2026/0655/F

10 Kanestown Lane Carnalbanagh Glenarm BT44 0DH

Renovation of Existing Dwelling, Including Internal Alterations & Change of Use of Attached Barn to Living Space

Full Mid East Antrim
8 Sept 2026 Consultation Open LA02/2026/0659/F

81 Fenaghy Road Galgorm Ballymena BT42 1JJ

Proposed internal alterations and single storey flat roof extension to side and rear of existing property.

Full Mid East Antrim
7 Sept 2026 Consultation Open LA02/2026/0651/F

75m SE of 100 Fenaghy Road, Galgorm, Ballymena, BT42 1JJ

Proposed replacement dwelling and garage with new access and retention of existing for storage

Full Mid East Antrim
3 Sept 2026 Site Inspection Complete LA02/2026/0637/F

Rear garden of 39 Upper Station Road, Greenisland, Carrickfergus, BT38 8RA

New dwelling with new independent access within the grounds of 39 Upper Station Road. Demolition of existing ancillary garage and garden room to creat...

Full Mid East Antrim
3 Sept 2026 Consultation Open LA02/2026/0645/F

24b Craignageeragh Road Cullybackey BT42 1EL

Extension of residential curtilage and proposed wood and general purpose store

Full Mid East Antrim
3 Sept 2026 Consultation Open LA02/2026/0648/F

19 Cameron Park, Ballymena, BT42 1QJ

Demolition of existing garage to allow for new single storey extension at rear, front projection extension along with 2 storey side extension to exist...

Full Mid East Antrim
2 Sept 2026 Decided 16 Oct LA02/2026/0643/O

45 Metres North of No. 36 Grange Road Toomebridge BT41 3QB

Proposed new dwelling & garage

Outline Mid East Antrim
2 Sept 2026 Valid LA02/2026/0633/F

41 Feystown Road, Glenarm, BT44 0EA

Proposed single storey rear extension, internal & external alterations and proposed domestic garage

Full Mid East Antrim
2 Sept 2026 Consultation Open LA02/2026/0642/F

Lands approx.60m North-West of no.118 Ballygarvey Road, Broughshane BT43 7JX

The proposed development comprises a detached garage, representing a change to the design of the previously approved garage under planning reference L...

Full Mid East Antrim
2 Sept 2026 Approved 21 Oct LA02/2026/0636/F

22 Ballykennedy Road Gracehill Ballymena BT42 2NP

Alterations and Extension to first floor of existing dwelling

Full Mid East Antrim
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Frequently asked questions

When do you need planning permission for a house extension?
Single-storey rear extensions up to 4m (detached) or 3m (semi-detached / terraced) are usually permitted development. Two-storey extensions, anything in a conservation area, or larger projects almost always need a planning application.
What's the difference between planning permission and permitted development?
Permitted development rights let you build certain things without applying for planning permission, subject to specified limits. Anything outside those limits, whether taller, larger or in a protected area, needs full planning permission.
How long does a householder application take?
The statutory target is 8 weeks from validation. Most simple householder extensions are decided within that window; complex or contested cases, especially those drawing a lot of comments, can take longer.
Can I get email alerts for new extensions applications in Mid East Antrim?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new extensions application published by Mid East Antrim. You can also narrow the alert to a postcode, street, or drawn area.

We check Mid East Antrim's planning portal daily. New extensions applications appear here within a day of being published.