Cosham, Hampshire Planning Applications
Recent planning applications near Cosham, Hampshire.
Hampshire · England · settlement
About Cosham
Cosham is a northern suburb of Portsmouth, situated within the city boundary yet located off Portsea Island in Hampshire, England. This historic area, noted in the Domesday Book of 1086, includes nearby regions such as Drayton and Wymering on the mainland. For those researching planning applications, Cosham's rich history and strategic location make it a notable area for development and community planning.
Enter a postcode to search for planning applications near Cosham.
Town Insights
Property Prices
Average property sale price: £276,582 (based on 50 recent transactions from HM Land Registry).
Crime Statistics
0 crimes reported in 2026-02.
Flood Risk
No active flood warnings near Cosham.
Keyword Scorecard
Planning constraint analysis based on the last 24 months of applications near Cosham.
- Ecology & Wildlife Constraints (keywords: bats, bat survey, bat roost, great crested newt, GCN...)
- Trees & Landscape (keywords: tree preservation order, TPO, arboricultural, tree survey, root protection area...)
- Flood & Drainage (keywords: flood zone 2, flood zone 3, flood risk assessment, FRA, surface water...)
- Heritage & Conservation (keywords: listed building, grade II, grade II*, grade I, conservation area...)
- Green Belt (keywords: green belt, inappropriate development, very special circumstances, openness)
- Highways & Access (keywords: visibility splays, highway authority objection, access arrangement, parking provision, transport statement...)
- Refusal & Risk Indicators (keywords: refusal, delegated refusal, appeal dismissed, overdevelopment, character and appearance...)
- Planning Process & Appeals (keywords: appeal lodged, appeal allowed, appeal dismissed, public inquiry, inspector)
Planning Activity Summary
Approval rates, average decision times, and application type distribution for Cosham based on the last 24 months of planning data.
Nearby Applications
16 planning applications found near Cosham.
- 26/00528/TPO - 78A Havant Road Portsmouth PO6 2RA
Within Tree Preservation Order 76, (G3b) Horse Chestnut (Aesculus hippocastanum) reduce by up to 2m to maintain canopy size/ clearance from properties
Status: Undecided | Council: Portsmouth | Date: 2026-04-24 - 26/00497/HOU - 46 Carmarthen Avenue Portsmouth PO6 2AQ
Construction of two storey rear extension (following removal of existing) and enlargement of front porch
Status: Undecided | Council: Portsmouth | Date: 2026-04-20 - - 46 Carmarthen Avenue Portsmouth PO6 2AQ
Construction of two storey rear extension (following removal of existing) and enlargement of front porch
Status: Undecided | Type: Full | Council: Portsmouth | Date: 2026-04-17
View full details - - 46 Carmarthen Avenue Portsmouth PO6 2AQ
Application for Certificate of Lawful Development for the proposed single storey outbuilding
Status: Undecided | Type: Outline | Council: Portsmouth | Date: 2026-04-15
View full details - - 11 Penarth Avenue Portsmouth PO6 2AJ
Application to discharge condition 3 (Soakaway Design) of planning permission 25/01485/HOU
Status: Undecided | Type: Conditions | Council: Portsmouth | Date: 2026-03-10
View full details - - 6 Padwick Avenue Portsmouth PO6 2JL
Application for non-material amendment to planning permission 25/01016/HOU to seek approval of amended plans relating to removal of the rear wall between the stores
Status: Permitted | Type: Amendment | Council: Portsmouth | Date: 2026-03-05
View full details - - Manor House 43 Court Lane Portsmouth PO6 2LJ
Display of 4no. non-illuminated fascia signs and 1no. non-illuminated hanging sign
Status: Conditions | Type: Advertising | Council: Portsmouth | Date: 2026-01-26
View full details - - 48 Lonsdale Avenue Portsmouth PO6 2PX
Construction of single storey rear extension
Status: Conditions | Type: Full | Council: Portsmouth | Date: 2025-09-23
View full details - - 20 Penrhyn Avenue Portsmouth PO6 2AP
Construction of single storey rear, side and front extension
Status: Conditions | Type: Full | Council: Portsmouth | Date: 2025-09-23
View full details - - 58 St Matthews Road Portsmouth PO6 2DL
Construction of first floor front extension and alterations to roof
Status: Conditions | Type: Full | Council: Portsmouth | Date: 2025-09-22
View full details - - 10 Court Lane Portsmouth PO6 2LN
Construction of two storey side extension, single storey rear extension (following demolition of existing) and dormers to front and rear
Status: Conditions | Type: Full | Council: Portsmouth | Date: 2025-01-24
View full details - - 111 Havant Road Portsmouth PO6 2AH
Within TPO 65 Maidenhair tree (Ginkgo biloba) (T33) removal of lowest lateral branch on southern side of canopy, reduction of lateral canopy by up to 2.5m
Status: Conditions | Type: Trees | Council: Portsmouth | Date: 2024-11-04
View full details - - 10 Court Lane Portsmouth PO6 2LN
Non-Material Amendment to planning permission 24/00025/HOU to seek approval of amended plans relating to rear extension roof design, front dormer size and fenestration changes
Status: Rejected | Type: Amendment | Council: Portsmouth | Date: 2024-10-03
View full details - - 101 Havant Road Drayton And Farlington Portsmouth PO6 2JE
Within Tree Preservation Order 65: (T9) Box Elder (Acer negundo), fell
Status: Conditions | Type: Trees | Council: Portsmouth | Date: 2023-12-21
View full details - - 94 Havant Road Drayton And Farlington Portsmouth PO6 2JF
Application for lawful development certificate for the proposed construction of hip to gable extension for loft conversion with side and rear dormers, 2 no. roof lights to front slope, removal of 2 ch
Status: Undecided | Type: Outline | Council: Portsmouth | Date: 2023-03-02
View full details - - 111 Havant Road Drayton And Farlington Portsmouth PO6 2AH
Application to seek approval of details reserved by condition 9 of planning permission 21/00684/FUL (as approved by appeal decision APP/Z1775/W/21/3287771) (Piling Methods)
Status: Undecided | Type: Conditions | Council: Portsmouth | Date: 2023-02-02
View full details
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A brief summary of Cosham in Hampshire
Cosham is a northern suburb of Portsmouth, situated within the city boundary yet located off Portsea Island in Hampshire, England. This historic area, noted in the Domesday Book of 1086, includes nearby regions such as Drayton and Wymering on the mainland. For those researching planning applications, Cosham's rich history and strategic location make it a notable area for development and community planning.
Property prices in Cosham show an average sale price of £276,582, based on 50 recent transactions recorded by HM Land Registry.
There were no crimes reported in the immediate area during the most recent reporting period. This makes Cosham a particularly low-crime area.
Cosham has 2 conservation areas within its boundaries: No data available for publication by HE, Hilsea Lines. Planning applications within or near these conservation areas are subject to additional scrutiny to preserve the architectural and historic character of the area. Homeowners and developers should be aware that permitted development rights may be restricted.
Ecology & Nature Designations
The area around Cosham includes 2 Sites of Special Scientific Interest (SSSI): Portsdown SSSI, Langstone Harbour SSSI; 1 Special Areas of Conservation (SAC): Solent Maritime; 2 Special Protection Areas (SPA): Solent and Dorset Coast, Chichester and Langstone Harbours; 1 Ramsar Wetland Sites: Chichester and Langstone Harbours. These designations may affect planning decisions, as proposals near protected sites require environmental impact assessment and may face additional restrictions.
For anyone interested in property development or monitoring local planning decisions, Cosham planning applications can be searched by entering a local postcode above. Results include full application details, decision status, and the ability to track applications over time and set planning alerts to help you monitor and review pending planning applications.
Planning Activity in Cosham
In the last 24 months, 43 planning applications were submitted near Cosham. Of these, 56% were approved, with an average decision time of 61 days.
This is below the national average of approximately 87%, which may reflect stricter local policies, sensitivity of the area, or higher levels of speculative applications. Pre-application advice is particularly worthwhile near Cosham.
At 61 days on average, decisions near Cosham slightly exceed the 8-week statutory target for minor applications, though this is common across many councils.
The most common application types near Cosham were full planning applications (16), discharge of conditions (9), outline applications (5). Full planning applications account for 37% of all submissions, covering new builds, change of use, and works that go beyond permitted development rights.
2 planning appeals were lodged, of which 1 was allowed and 1 was dismissed (50% success rate). This relatively high appeal success rate suggests that the local authority may be refusing some applications that the Planning Inspectorate considers acceptable.
Nearby Towns
Explore planning applications in nearby areas:
- Highbury planning applications
- Drayton planning applications
- Wymering planning applications
- Widley planning applications
- Anchorage Park planning applications
- Hilsea planning applications
- Purbrook planning applications
- Copnor planning applications
Related Planning Guides
- What Is Planning Permission in the UK? — Planning permission is the formal approval you need from your local council before making certain changes to a building or piece of land.
- What Is Permitted Development? — Permitted development rights allow certain building works and changes of use without the need to apply for planning permission.
- How Long Does Planning Permission Take? — Typical timelines for planning permission decisions in the UK, from submission to approval, and what can cause delays.