House extensions in Gosport

Gosport received 128 householder applications in the last 12 months - about 2 a week. Rear extensions and side extensions are the most common. Of the 93 decided so far, 89 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 35 of 35 applications
8 Sept 2026 Pending 26/00268/FULL

106 Jellicoe Avenue Gosport Hampshire PO12 2PF

Erection of outbuilding to rear garden for use as residential annexe

Devt. app. FULL Gosport
28 Aug 2026 Pending 26/00261/FULL

28 Bury Road Gosport Hampshire PO12 3UD

Extension of dropped kerb to provide vehicular access onto classified road (listed building in conservation area)

Devt. app. FULL Gosport
25 Aug 2026 Registered 26/00259/FULL

Utterson House 61 Frater Lane Gosport Hampshire PO12 4AU

Retention of and continued works for the erection of boundary wall

Devt. app. FULL Gosport
19 Aug 2026 Registered 26/00248/FULL

52 Bayntun Drive Lee-on-the-solent Hampshire PO13 9JY

Construction of front porch

Devt. app. FULL Gosport
11 Aug 2026 Registered 26/00249/LBA

5 Village Road Gosport Hampshire PO12 2LD

Listed building application - sub-division of bedroom to create 2no. Bathrooms, replacement of a roof light window and installation of external pipe (...

Listed Building Gosport
7 Aug 2026 Registered 26/00246/HHGDO

58 Brighton Avenue Gosport Hampshire PO12 4BX

GPDO part 1 notification - erection of single storey rear extension depth of 4 metres maximum height of 4 metres height of eaves 3 metres

GDO Part 1 Gosport
7 Aug 2026 Registered 26/00242/FULL

153 Portsmouth Road Lee-on-the-solent Hampshire PO13 9AD

Construction of first floor extension to south-west elevation above existing ground floor extension and first floor extension to south-east elevation

Devt. app. FULL Gosport
5 Aug 2026 Registered 25/00376/FULL

111 - 112 High Street Gosport Hampshire PO12 1DU

Change of use of first floor to 5 bedroom house in multiple occupation (HMO) (Class C4), external alterations, and creation of roof terraces (conserva...

Devt. app. FULL Gosport
5 Aug 2026 Registered 26/00240/LBA

St George Barracks (North) Henry Player Avenue / Thomas Grant Avenue Gosport Hampshire

Listed building application - alterations to include the replacement of all windows, doors and sidelights with like for like design with the addition ...

Listed Building Gosport
30 Jul 2026 Registered 26/00231/FULL

Flat 14 Wickham Court Gale Moor Avenue Gosport Hampshire PO12 2TF

Replacement windows and doors

Devt. app. FULL Gosport
29 Jul 2026 Registered 26/00233/FULL

22 York Crescent Lee-on-the-solent Hampshire PO13 9AX

Erection of single storey rear extension, two-storey side/rear extension and roof alterations to include new roof extensions and alterations to existi...

Devt. app. FULL Gosport
27 Jul 2026 Registered 26/00232/FULL

9 Lerryn Road Gosport Hampshire PO13 0YG

Erection of front and rear dormers, erection of side porch and erection of flat roof and roof lanterns over existing extension

Devt. app. FULL Gosport
23 Jul 2026 Approved 26/00229/FULL

Alverbridge Nursery 80 South Street Gosport Hampshire PO12 1ES

Erection of 2no. Replacement garden buildings, photovoltaic panels to the roof of the existing building and new external air conditioning units (conse...

Devt. app. FULL Gosport
21 Jul 2026 Registered 26/00227/FULL

1 Greenlea Grove Gosport Hampshire PO12 3BS

Replacement windows and door

Devt. app. FULL Gosport
16 Jul 2026 Approved 26/00224/FULL

20 Raynes Road Lee-on-the-solent Hampshire PO13 9AL

Erection of single storey rear extension

Devt. app. FULL Gosport
16 Jul 2026 Decided 26/00225/HHGDO

21 Goodwood Road Gosport Hampshire PO12 4HN

GPDO part 1 notification - erection of single storey rear extension depth of 5.00 metres maximum height of 3.28 metres height of eaves 2.61 metres

GDO Part 1 Gosport
16 Jul 2026 Approved 26/00226/FULL

Bay House School Gomer Lane Gosport Hampshire PO12 2QP

Erection of 2.1-metre-high bow topped steel fencing with access gates

Devt. app. FULL Gosport
10 Jul 2026 Registered 26/00217/FULL

26 Lyndhurst Road Gosport Hampshire PO12 3QY

Erection of single storey extension, front porch and front and rear dormers

Devt. app. FULL Gosport
10 Jul 2026 Registered 26/00218/FULL

104 Portsmouth Road Lee-On-The-Solent Hampshire PO13 9AF

DEMOLITION OF EXISTING CONSERVATORY AND ERECTION OF TWO-STOREY REAR EXTENSION, FIRST FLOOR EXTENSION, INCORPORATING ROOF TERRACE, AND OTHER ALTERATION...

Devt. app. FULL Gosport
10 Jul 2026 Approved 26/00220/FULL

60 Privett Place Gosport Hampshire PO12 3SQ

Erection of single storey rear extension (part retrospective)

Devt. app. FULL Gosport
1 Jul 2026 Decided 26/00213/HHGDO

136 Turner Avenue Gosport Hampshire PO13 0BX

GPDO part 1 notification - erection of single storey rear extension depth of 4.5 metres maximum height of 3 metres height of eaves 3 metres

GDO Part 1 Gosport
1 Jul 2026 Approved 26/00211/FULL

3 Shell Pier Cottages Hayling Close Gosport Hampshire PO12 4JS

SINGLE STOREY SIDE / REAR EXTENSION (as amended by plans received on the 10.8.26)

Devt. app. FULL Gosport
30 Jun 2026 Decided 26/00201/LDCP

17 Durley Road Gosport Hampshire PO12 4RT

Section 192 application - erection of single storey detached outbuilding in rear garden

Gosport
30 Jun 2026 Approved 26/00200/HHGDO

17 Durley Road Gosport Hampshire PO12 4RT

GPDO PART 1 NOTIFICATION - ERECTION OF SINGLE STOREY REAR EXTENSION DEPTH OF 5.5 METRES MAXIMUM HEIGHT OF 3.1 METRES HEIGHT OF EAVES 3 METRES (as amen...

GDO Part 1 Gosport
30 Jun 2026 Registered 26/00210/LBA

Flat 3 Stokehurst 35 Anglesey Road Gosport Hampshire PO12 2EH

LISTED BUILDING APPLICATION - INTERNAL ALTERATIONS TO CREATE SECOND BEDROOM, EN SUITE AND NEW LAYOUT TO EXISTING SHOWER ROOM (as amended by plans and ...

Listed Building Gosport
29 Jun 2026 Approved 26/00185/FULL

Qinetiq Haslar Haslar Road Gosport Hampshire PO12 2AG

Various internal and external alterations (listed building)

Devt. app. FULL Gosport
29 Jun 2026 Approved 26/00186/LBA

Qinetiq Haslar Haslar Road Gosport Hampshire PO12 2AG

Listed building application - various internal and external alterations

Listed Building Gosport
29 Jun 2026 Approved 26/00207/FULL

Gas Meter House Royal Hospital Haslar Haslar Road Gosport Hampshire PO12 2AA

Erection of a single storey extension to the Gas govenor building to form a security lodge. (listed building and conservation area)

Devt. app. FULL Gosport
29 Jun 2026 Approved 26/00208/LBA

Gas Meter House Royal Hospital Haslar Haslar Road Gosport Hampshire PO12 2AA

Listed building application - erection of a single storey extension to the Gas govenor building to form a security lodge. (listed building and conserv...

Listed Building Gosport
26 Jun 2026 Decided 26/00204/HHGDO

1 Lane Villas Fairwater Close Gosport Hampshire PO13 0JR

GPDO part 1 notification - construction of single-storey rear extension depth of 6 metres maximum height of 3.0 metres height of eaves 3.0 metres

GDO Part 1 Gosport
26 Jun 2026 Registered 26/00205/FULL

2 Russell Close Lee-On-The-Solent Hampshire PO13 9HS

ERECTION OF A REPLACEMENT GARAGE WITH GARDEN ROOM (REVISED SUBMISSION TO PLANNING PERMISSION 17/00301/FULL) (RETROSPECTIVE) (as amended by plan receiv...

Devt. app. FULL Gosport
24 Jun 2026 Approved 26/00181/FULL

The Link (Formerly The Enterprise Academy) Bay House School Playing Fields Military Road Gosport Hampshire PO12 3AF

Erection of single storey side extension to existing teaching block

Devt. app. FULL Gosport
23 Jun 2026 Approved 26/00194/FULL

117 Whitworth Road Gosport Hampshire PO12 3NL

Erection of single storey rear extension

Devt. app. FULL Gosport
23 Jun 2026 Decided 26/00198/LDCP

18 Pelham Road Gosport Hampshire PO12 3NX

Section 192 application - erection of garage in rear garden

LDC Proposed Gosport
19 Jun 2026 Withdrawn 26/00196/FULL

7 Tait Place Gosport Hampshire PO13 0LX

Erection of single storey rear/side extension

Devt. app. FULL Gosport
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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 Gosport?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new extensions application published by Gosport. You can also narrow the alert to a postcode, street, or drawn area.

Other application types in Gosport

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