Planning Applications in L23

Planning authority: Sefton Metropolitan Borough Council

See all 2,814 planning applications in the L23 postcode district since 2016, 56 in the last 90 days. Search and filter them by date, status, development type or number of homes, see the latest on the map, or get a free alert for new applications.

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Showing 50 of 56 applications
22 Oct 2026 Registered DC/2026/01581

21 Hall Road East Crosby L23 8TT

Proposed new site boundary design

Householder application Sefton
19 Oct 2026 Registered DC/2026/01009

7 Hartdale Road Thornton L23 1TA

Erection of a porch to the front of the dwellinghouse.

Householder application Sefton
14 Oct 2026 Registered DC/2026/01594

22 Warren Road Blundellsands L23 6UB

Alterations to the boundary including the erection of a new boundary wall following the demolition of the existing wall, creation of a new front drive...

Full Application Sefton
14 Oct 2026 Registered DC/2026/01593

22 Warren Road Blundellsands L23 6UB

Listed Building Consent for alterations to the boundary including the erection of a new boundary wall following the demolition of the existing wall, c...

Listed Building Consent Sefton
9 Oct 2026 Registered DC/2026/01687

118 Cambridge Road Crosby L23 7UA

Erection of a two storey extension to the side and a single storey extension and conservatory to the rear of the dwellinghouse, following the demoliti...

Householder application Sefton
8 Oct 2026 Registered DC/2026/01551

28 Chestnut Avenue Crosby L23 2SZ

Erection of a single storey extension with two new roof lights in the roof at the rear and replacement of the external cheeks of the dormer at the fro...

Householder application Sefton
7 Oct 2026 Registered DC/2026/01671

10 Newborough Avenue Crosby L23 9TX

Variation of condition 2 pursuant to planning permission DC/2025/01641 approved 12/02/2026 to increase the height of the side and rear extension to al...

Variation of condition Sefton
6 Oct 2026 Registered DC/2026/01658

4 Sunningdale Drive Crosby L23 7XA

Proposed front elevation first floor dormer extension, installation of 2no. rooflights to front elevation, Zinc cladding to the existing rear elevatio...

Householder application Sefton
5 Oct 2026 Registered DC/2026/01645

2 Gamekeepers Cottage Rothwells Lane Thornton L23 1TN

Erection of a timber lean-to to an existing garage.

Householder application Sefton
5 Oct 2026 Registered DC/2026/01647

65 Coney Crescent Crosby L23 9YW

Erection of a single-storey side extension with pitched roof and associated internal alterations

Householder application Sefton
5 Oct 2026 Registered DC/2026/01477

16 Roehampton Drive Crosby L23 7XD

Variation of condition 2 (plans) pursuant to planning permission DC/2025/01658 approved on 11.12.2025 to allow amendments to approved drawings.

Variation of condition Sefton
2 Oct 2026 Registered DC/2026/01643

29 Merrilocks Road Blundellsands L23 6UL

Section 211 notice for the felling of 2.No Sycamore trees (T1 & T4) and pollarding to approx 5m for 3.No Sycamore trees (T2, T3, T5) (Lies within the ...

Works to a tree in a Conservation Area Sefton
2 Oct 2026 Registered DC/2026/01639

82 Warren Road Blundellsands L23 6UG

Section 211 notice to repollard to 1 group of sycamore trees (G1), reduction to beech hedge to 8ft in height (G2), reduce lateral limbs by 20%/1-1.5 m...

Works to a tree in a Conservation Area Sefton
2 Oct 2026 Registered DC/2026/01635

31 Hall Road East Crosby L23 8TT

Tree preservation order for the pollarding for 1.No Poplar Group of trees down to 8-10 Meters (G1) (TPO54).

TPO consent Sefton
30 Sept 2026 Registered DC/2026/01621

6 Sand Dune Close Blundellsands Sefton L23 6AE

Single storey rear elevation extension with balcony to first floor.

Householder application Sefton
30 Sept 2026 Registered DC/2026/01598

27 Alexandra Road Crosby L23 7TA

Conversion of dwelling into 3.No Self contained flats (As former permission DC/2023/01321).

Full Application Sefton
29 Sept 2026 Registered DC/2026/01542

14 Blundellsands Road West Blundellsands L23 6TF

Listed Building Consent for internal alterations and remediation work to facilitate the reinstatement of the building from 3no. flats to its original ...

Listed Building Consent Sefton
29 Sept 2026 Registered DC/2026/01541

14 Blundellsands Road West Blundellsands L23 6TF

Internal alterations and remediation work to facilitate the reinstatement of the building from 3no. flats to its original use as a single-family dwell...

Full Application Sefton
28 Sept 2026 Registered DC/2026/01535

35 Cooks Road Crosby L23 2TB

Installation of 1no. additional external pergola and TV within the external drinking area to the rear

Full Application Sefton
24 Sept 2026 Registered DC/2026/01278

Crosby Hall Back Lane Little Crosby L23 4UA

Erection of a brick retaining wall in the garden to replace a ha-ha retaining wall

Householder application Sefton
24 Sept 2026 Registered DC/2026/01349

Crosby Hall Back Lane Little Crosby L23 4UA

Listed Building Consent for the erection of a brick retaining wall in the garden to replace a ha-ha retaining wall

Listed Building Consent Sefton
23 Sept 2026 Registered DC/2026/01588

44 Edgemoor Drive Crosby L23 9UG

Erection of a single storey extension to the front and side of the dwellinghouse with a pitched roof to existing flat roofed side extension involving ...

Householder application Sefton
22 Sept 2026 Registered DC/2026/01586

45 Eshe Road North Crosby L23 8UE

Erection of a single storey extension to the rear, alterations to the front wall and internal alterations.

Householder application Sefton
21 Sept 2026 Registered DC/2026/01564

23 Poplar Avenue Crosby L23 2ST

Tree preservation order for the felling of 1.No Leylanni tree (TPO34).

TPO consent Sefton
17 Sept 2026 Registered DC/2026/01456

Land Adjacent To 99 College Road Crosby L23 0RN

Erection of a detached dwelling, widening of the vehicular access, alterations to the boundary and associated works, on land severed from 99 College R...

Full Application Sefton
16 Sept 2026 Registered DC/2026/01543

The Residence 31 Warren Road Blundellsands L23 6UA

Alterations to the existing front boundary treatment comprising retention of the existing entrance gates. Removal of wrought iron boundary fencing and...

Householder application Sefton
16 Sept 2026 Registered DC/2026/01395

98 The Serpentine North Blundellsands L23 6TJ

Porch extension to the front, single storey extension to the rear, partial garage conversion to form a study, internal alterations, amendments to fene...

Householder application Sefton
15 Sept 2026 Registered DC/2026/01482

4 Elmwood Avenue Crosby L23 9XR

Demolition of existing conservatory and construction of single storey extension to the rear.

Householder application Sefton
14 Sept 2026 Registered DC/2026/01522

The Residence 31 Warren Road Blundellsands L23 6UA

Listed Building Consent for alterations to the existing front boundary treatment comprising retention of the existing entrance gates, removal of wroug...

Listed Building Consent Sefton
14 Sept 2026 Registered DC/2026/01529

15 Liverpool Road Crosby L23 2SA

Advertisement consent for the display of 1 no. proposed fascia sign and 1 no. projecting sign to shopfront elevation

Advertisement Consent Sefton
14 Sept 2026 Registered DC/2026/01528

15 Liverpool Road Crosby L23 2SA

Installation of 1 no. additional AC condenser unit to rear elevation

Full Application Sefton
14 Sept 2026 Registered DC/2026/01530

17 Chetwood Avenue Crosby L23 2UU

Erection of a two storey extension to the side and single storey extension to the rear of the dwellinghouse.

Householder application Sefton
11 Sept 2026 Approved 28 Oct DC/2026/01520

60 Myers Road East Crosby L23 0QZ

Certificate of lawfulness for the proposed dormer extension to the rear of the dwellinghouse.

Certificate of Lawfulness - Proposed Use Sefton
10 Sept 2026 Awaiting decision DC/2026/01516

23 Old Farm Road Crosby L23 2RZ

Single storey rear and side extension

Householder application Sefton
10 Sept 2026 Withdrawn 6 Oct DC/2026/01402

26 The Serpentine South Blundellsands L23 6UQ

Non-material amendment to planning permission DC/2022/00403 approved 05/05/2022 to move the gate at the rear wall 30m to the left facing the house, an...

App for Non-Material Amendments Sefton
9 Sept 2026 Registered DC/2026/01510

The Serpentine South Blundellsands Crosby Merseyside L23 6XG

Prior notification procedure for the proposed installation of 20m monopole, 12. no. antennas, 4 no. equipment cabinets, 1 no. meter cabinet and ancill...

Prior notification - masts (56 days) Sefton
9 Sept 2026 Registered DC/2026/01511

Land Adjacent To Sniggery Wood Ackers Lane Little Crosby Great Crosby Sefton L23 4TU

Prior notification procedure for the proposed installation of a 22.5m high CU Phosco Phase 6 Monopole supporting 6 no. antennas, 15 no. ERS radio unit...

Prior notification - masts (56 days) Sefton
8 Sept 2026 Withdrawn 6 Oct DC/2026/01501

4 Sand Dune Close Blundellsands Sefton L23 6AE

Non-material amendment to planning permission DC/2026/00263 to allow changes to the proposed balcony glass balustrade to the north side to a solid wal...

App for Non-Material Amendments Sefton
8 Sept 2026 Registered DC/2026/01505

9 Hall Road West Blundellsands L23 8SX

Erection of a two storey extension at the front, a two storey extension at the rear involving the widening of the existing rear first floor balcony, e...

Householder application Sefton
8 Sept 2026 Registered DC/2026/01503

Sunningwell 2 Merrilocks Road Blundellsands L23 6UN

Tree preservation order for the felling or pollarading to property boundry of 2.No Sycamores Trees (T1 and T2) (TPO101)

TPO consent Sefton
7 Sept 2026 Registered DC/2026/01493

Merchant Taylors School For Girls Liverpool Road Crosby L23 5SP

Listed Building Consent for the demolition of various of buildings across the site, refurbishment and limited remodelling of the educational buildings...

Listed Building Consent Sefton
7 Sept 2026 Registered DC/2026/01492

Merchant Taylors School For Girls Liverpool Road Crosby L23 5SP

Demolition of various of buildings across the site, refurbishment and limited remodelling of the educational buildings retained, provision of addition...

Full Application Sefton
7 Sept 2026 Approved 15 Oct DC/2026/01489

89 The Northern Road Crosby L23 2RD

Proposed single storey extension to rear elevation.

Householder application Sefton
3 Sept 2026 Withdrawn 23 Sep DC/2026/01476

10 Newborough Avenue Crosby L23 9TX

Non-material amendment to planning permission DC/2025/01641 approved on 12/02/2026 to allow alteration to the height of the proposed extensions along ...

App for Non-Material Amendments Sefton
2 Sept 2026 Approved 1 Oct DC/2026/01473

Carnegie Library College Road Crosby L23 2DP

Approval of details reserved by condition 4 (landscaping scheme hard surface materials only) attached to planning permission DC/2024/00520 approved 15...

Discharge of condition Sefton
2 Sept 2026 Awaiting decision DC/2026/01100

Hall Road Railway Station Hall Road East Crosby L23 8TU

Planning application for siting an InPost Parcel Locker

Full Application Sefton
24 Aug 2026 Approved 14 Oct DC/2026/01419

16 Moorgate Avenue Crosby L23 0UF

Erection of a single storey rear and side extension.

Householder application Sefton
17 Aug 2026 Approved 23 Sep DC/2026/01377

72 Seafield Avenue Crosby L23 0TQ

Single storey rear extension.

Householder application Sefton
13 Aug 2026 Approved 8 Oct DC/2026/01359

21 Seven Acre Road Crosby L23 9UH

Certificate of lawfulness for the proposed change of use from a dwellinghouse (Class C3) to a children's home (Class C2) for up to 1no. child.

Certificate of Lawfulness - Proposed Use Sefton
12 Aug 2026 Registered DC/2026/01347

1 Elm Avenue Crosby L23 2SX

Approval of details reserved by conditions 2 (Bat Roosting Provision) and 3 (Bird Nesting Provision) attached to planning permission DC/2025/01506 app...

Discharge of condition Sefton
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Data updated daily. Source: Sefton Metropolitan Borough Council planning portal.