House extensions in Havant

Havant received 258 householder applications in the last 12 months - about 5 a week. Rear extensions and dormers 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 50 of 84 applications
Yesterday Under Consultation APP/26/00650

8 Wade Court Road, Havant, PO9 2SU

Proposal to replace the existing garage roof with a new roof and form a first floor home office and games room and side gable. Single storey extension...

Householder planning permission Havant
2 days ago Under Consultation APP/26/00634

16 Manor Close, Havant, PO9 1BD

Demolition of existing rear lean-to extension and outbuilding to be replaced by a single storey rear extension and a roof window.

Householder planning permission Havant
28 Aug 2026 Under Consultation APP/26/00636

35 Silverdale Drive, Waterlooville, PO7 6DN

Proposed first-floor dormer extensions & external alterations

Householder planning permission Havant
27 Aug 2026 Under Consultation APP/26/00630

90 Haslar Crescent, Waterlooville, PO7 6DH

Single Storey Rear Extension

Householder planning permission Havant
26 Aug 2026 Under Consultation APP/26/00631

37 Battens Way, Havant, PO9 2DY

Prior notification for single storey development extending 5 metres beyond the rear wall of the Original dwelling, incorporating a maximum height of 3...

Prior approval Part 1 Class A.1(ea) Havant
25 Aug 2026 Under Consultation APP/26/00617

46 Orchard Road, Havant, PO9 1AU

Single Storey Rear Extension

Householder planning permission Havant
24 Aug 2026 Under Consultation APP/26/00611

52 Birch Tree Drive, Emsworth, PO10 7RY

Single storey extension to replace existing extension and garage

Householder planning permission Havant
24 Aug 2026 Under Consultation APP/26/00619

192 Sea Front, Hayling Island, PO11 9HR

Removal of side extension pitched roof to be replaced with balcony accessed from first floor through new bifold doors, rebuilding of rear side extensi...

Householder planning permission Havant
24 Aug 2026 Under Consultation APP/26/00609

45 Warblington Road, Emsworth, PO10 7HG

Erection of first-floor side and rear extensions, a single-storey rear extension and a modest front extension to the existing garage, together with as...

Householder planning permission Havant
20 Aug 2026 Under Consultation APP/26/00598

63 Southleigh Road, Havant, PO9 2QQ

Part single-storey, part double-storey rear extension

Householder planning permission Havant
20 Aug 2026 Under Consultation APP/26/00605

81 Mitchell Road, Havant, PO9 3QA

Erection of two-storey and single-storey extensions, associated roof alterations and external remodelling/rendering of the existing dwelling.

Householder planning permission Havant
19 Aug 2026 Under Consultation APP/26/00510

1A St Hermans Road, Hayling Island, PO11 9NA

Single storey infill front extension.

Householder planning permission Havant
17 Aug 2026 Under Consultation APP/26/00565

55 The Crescent, Waterlooville, PO7 5EU

Prior notification for single storey development extending 5.40 metres beyond the rear wall of the original dwelling with a maximum height of 3.60 met...

Prior approval Part 1 Class A.1(ea) Havant
17 Aug 2026 Under Consultation APP/26/00478

10 Langstone High Street, Havant, PO9 1RY

Re-thatching of the existing roof. Installation of a thatched ornamental block ridge. Construction of a thatched hood canopy over the rear entrance do...

Full planning permission Havant
14 Aug 2026 Under Consultation APP/26/00592

Garden Centre, Bartons Road, Havant, PO9 5NA

Retrospective planning application for the extension of existing car wash to provide 1no additional parasol, cladding to existing office unit and boun...

Full planning permission Havant
13 Aug 2026 Under Consultation APP/26/00590

416 Purbrook Way, Havant, PO9 3SH

Single storey front porch and canopy

Householder planning permission Havant
11 Aug 2026 Under Consultation APP/26/00582

44 The Dale, Waterlooville, PO7 5DE

Application for Lawful Development Certificate for Proposed single storey infill extension.

Lawful development Havant
11 Aug 2026 Under Consultation APP/26/00307

59 Longwood Avenue, Waterlooville, PO8 8JB

Installation of 6ft timber fencing panels to the East boundary of the rear garden.

Householder planning permission Havant
11 Aug 2026 Under Consultation APP/26/00466

75 Park Lane, Bedhampton, Havant, PO9 3HQ

Roof alterations with hip-to-gable loft extension, side dormers, internal alterations and new recessed porch

Householder planning permission Havant
6 Aug 2026 Under Consultation APP/26/00580

6 Oakhurst Drive, Waterlooville, PO7 7PN

Loft conversion incorporating a side dormer extension and roof lights. External material changes, revised fenestration, solar panels on the side roof ...

Householder planning permission Havant
6 Aug 2026 Under Consultation APP/26/00579

27 Shillinglee, Waterlooville, PO7 5RW

Application for a Lawful Development Certificate for the proposed construction of a single storey rear extension.

Lawful development Havant
5 Aug 2026 Under Consultation APP/26/00465

155 London Road, Cowplain, Waterlooville, PO8 8ER

Proposed single storey rear extension

Householder planning permission Havant
5 Aug 2026 Under Consultation APP/26/00486

8 Queens Road, Waterlooville, PO7 7SB

Side and rear extensions, alterations to fenestration, new materials to exterior and alterations and extensions to the roof including the extension of...

Householder planning permission Havant
4 Aug 2026 Under Consultation APP/26/00553

1 Southbrook Close, Havant, PO9 1RW

Installation of 6m x 4m pergola to rear of property on top of existing patio. The maximum height of the pergola is 2.63m and will be 1m from the bound...

Householder planning permission Havant
4 Aug 2026 Under Consultation APP/26/00572

34 Bath Road, Emsworth, PO10 7ER

Application for a Lawful Development Certificate for a Proposed Development. Replacement of a front garden hedge with a boundary wall. The proposed ...

Lawful development Havant
4 Aug 2026 Under Consultation APP/26/00548

9 Sandy Brow, Waterlooville, PO7 5JP

Application for Lawful Development Certificate for proposed conversion of roof space into habitable room including rooflight windows.

Lawful development Havant
3 Aug 2026 Under Consultation APP/26/00475

1B Selangor Avenue, Emsworth, PO10 7LR

Retrospective application for over clad and strengthen old feathered edge boarding to new height of 2.7m to the original fencing on the boundary line ...

Householder planning permission Havant
3 Aug 2026 Under Consultation APP/26/00503

61 Westbourne Avenue, Emsworth, PO10 7QJ

Lawful development certificate for proposed 7m x 3m garden office cabin

Lawful development Havant
31 Jul 2026 Under Consultation APP/26/00543

11 Finchdean Road, Havant, PO9 4AA

Single storey extension to rear and side of existing semi-detached property.

Householder planning permission Havant
30 Jul 2026 Under Consultation APP/26/00564

Wade Court Cottage, Wade Lane, Havant, PO9 2TB

Proposed Formation of a New Pedestrian Access and Installation of a Timber Gate

Householder planning permission Havant
30 Jul 2026 Recommendation Made APP/26/00551

8 Craigwell Road, Waterlooville, PO7 5PQ

Single storey side extension.

Householder planning permission Havant
30 Jul 2026 Under Consultation APP/26/00557

101 Andrew Crescent, Waterlooville, PO7 6BG

Single storey rear extension. Alterations to Fenestrations

Householder planning permission Havant
28 Jul 2026 Under Consultation APP/26/00554

37 Cavendish Drive, Waterlooville, PO7 7PJ

Loft Conversion with Front Dormers, Front Garage Extension, Rear Orangery and Roof Lantern

Householder planning permission Havant
28 Jul 2026 Recommendation Made APP/26/00513

10 Dayslondon Road, Waterlooville, PO7 5NN

Single storey rear extension and a raised platform area with screening.

Householder planning permission Havant
28 Jul 2026 Under Consultation APP/26/00539

9 Cornflower Meadow, Emsworth, PO10 7FR

To construct a single storey side extension and a double garage.

Householder planning permission Havant
27 Jul 2026 Recommendation Made APP/26/00538

10 Idsworth Road, Cowplain, Waterlooville, PO8 8BD

Proposed garage extension and dwelling remodel

Householder planning permission Havant
27 Jul 2026 Under Consultation APP/26/00535

2 Fortunes Way, Havant, PO9 3LZ

Single storey side extension.

Householder planning permission Havant
24 Jul 2026 Decided APP/26/00545

23 Barney Evans Crescent, Waterlooville, PO8 8SR

Prior notification for single storey development extending 3.40 metres beyond the rear wall of the original dwelling with a maximum height of 3.60 met...

Prior approval Part 1 Class A.1(ea) Havant
24 Jul 2026 Under Consultation APP/26/00530

30 Burnside, Waterlooville, PO7 7QG

Single Storey Rear Extension

Householder planning permission Havant
22 Jul 2026 Under Consultation APP/26/00526

43 Hart Plain Avenue, Waterlooville, PO8 8RX

Proposed two storey side and rear extensions with loft conversion, roof alteration and rear dormers. Bay windows and front Porch, alterations to fenes...

Householder planning permission Havant
21 Jul 2026 Recommendation Made APP/26/00534

17 Yew Tree Avenue, Cowplain, Waterlooville, PO8 8AH

Application for Lawful Development Certificate for proposed alterations to existing conservatory to provide a flat roof.

Lawful development Havant
21 Jul 2026 Under Consultation APP/26/00447

19 Corhampton Crescent, Havant, PO9 3BX

Erection of front, side and rear extensions and subdivision of existing dwelling to provide 1No three bedroom dwelling (4 person occupancy) and 1No on...

Full planning permission Havant
21 Jul 2026 Under Consultation APP/26/00514

140A Parkhouse Farm Way, Havant, PO9 4DP

Lawful Development Certificate for proposed siting of caravan for ancillary use to dwellinghouse.

Lawful development Havant
21 Jul 2026 Recommendation Made APP/26/00451

12 Park Crescent, Emsworth, PO10 7NT

Rear extension, replacement windows to the rear and other minor external alterations.

Householder planning permission Havant
21 Jul 2026 Recommendation Made APP/26/00355

116 West Street, Havant, PO9 1LW

Proposed single storey rear extension.

Householder planning permission Havant
20 Jul 2026 Recommendation Made APP/26/00520

9 The Crest, Waterlooville, PO7 5DG

Proposed Single Storey Rear extension with existing garage demolished and replaced.

Householder planning permission Havant
15 Jul 2026 Approved APP/26/00516

9 Second Avenue, Havant, PO9 2QP

Roof conversion with extended front dormer and new rear dormer

Householder planning permission Havant
14 Jul 2026 Approved APP/26/00457

145 London Road, Waterlooville, PO7 7SL

Proposed erection of a detached garage to the rear of the property, comprising a loft conversion with a dormer to form a home office.

Householder planning permission Havant
14 Jul 2026 Recommendation Made APP/26/00509

1A St Hermans Road, Hayling Island, PO11 9NA

Application for lawful development certificate for proposed conversion of roof space into habitable room including rear roof dormer and 2no. rooflight...

Lawful development Havant
14 Jul 2026 Under Consultation APP/26/00507

14 Cotwell Avenue, Waterlooville, PO8 9AN

Loft Conversion with dormer creation to front elevation. Raised ridge and gable end creation. Double Storey rear extension.

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

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