Updated 22 October 2026 · 35 new leads in the last 30 days
Construction Leads in Portsmouth
Access construction leads in Portsmouth by tracking newly submitted planning applications. See which homeowners and developers across the city are preparing extensions, loft conversions, and new builds, and get in touch before they begin shortlisting builders.
- New planning applications added frequently from Portsmouth City Council
- Connect with homeowners at the early planning stage
- No shared enquiries or competitive bidding
Data sourced from Portsmouth City Council planning records and refreshed regularly.
35
New Leads (30 Days)
£81,071
Average Project Value
4
High Value Projects
Over £100k
Extensions
Most Common Project
Construction Trends in Portsmouth
Portsmouth's dense, largely Victorian terraced housing stock reflects its history as England's most important naval port, built almost entirely on Portsea Island with very little room to expand. That constrained land supply means most construction activity is extension, conversion, and refurbishment work rather than new-build, and the city's large student population — drawn by the University of Portsmouth — has pushed the council to introduce Article 4 Directions removing permitted development rights for HMO conversions across parts of Southsea closest to the university and seafront, along with Fratton and Copnor. Southsea itself, with its Regency and Victorian seafront terraces, generates a steady stream of conversion and renovation work, while the ongoing regeneration of the Historic Dockyard and surrounding waterfront continues to bring commercial and leisure-led development to the city.
Project Type Breakdown
Here's a breakdown of the most common types of construction projects in Portsmouth over the past 30 days.
In Portsmouth, Extensions are the most common project type, appearing in 23 of the 35 leads tracked in the last 30 days, with Garden Rooms also showing consistent demand alongside Loft Conversions. Projects can fall into more than one category, so these figures don't need to add up to the total.
Most Active Architects and Planning Consultants in Portsmouth
The architects and planning consultants submitting the most construction-related applications in Portsmouth, based on recent planning records.
- 1Thorns Young
- 2Applecore PDM
- 3grp architectural design
- 4D84 Architects Ltd
- 5Pritchard Architecture
- 6DU Architecture
- 7Knight Consulting
- 8GRK Architecture
- 9CHRIS FLINT ASS LTD
- 10Critchley Architecture And Design (CAAD) Ltd
Project Value Insights
Understanding typical project values in Portsmouth helps you prioritise the most profitable leads and manage your workload effectively. These ranges are a general guide to the scale of work involved — individual project costs vary by design, specification, and site conditions.
- £25k – £50kSmall extensions, porches, and internal alterations
- £50k – £100kRear extensions and loft conversions
- £100k – £250kLarge extensions and full property refurbishments
- £250k+New builds and high-end residential projects
Higher-value projects are often found in Southsea’s larger seafront properties, where conversion and restoration work commands larger budgets.
Recent Planning Applications in Portsmouth
Extensions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Extension | Gosport | £50k–£100k | Remodelling of interior and alterations to existing single-storey extension. | Approved |
| Extension | Gosport | £50k–£100k | Remodelling of interior and adaptation of existing single-storey extension with new timber glazed doors. | Approved |
| Double Storey Extension | Portsmouth | £50k–£100k | Construction of single storey front extensions to two existing dwellinghouses. | Refused |
| Front Extension | Portsmouth | £50k–£100k | Construction of hip to gable extension with dormer and front windows. | Approved |
| Wrap-Around Extension | 12 Mayfield Road Portsmouth PO2 0RW | £50k–£100k | Single-storey side extension and rear annexe replacing existing. | Approved |
Extension
Gosport
Remodelling of interior and alterations to existing single-storey extension.
Extension
Gosport
Remodelling of interior and adaptation of existing single-storey extension with new timber glazed doors.
Double Storey Extension
Portsmouth
Construction of single storey front extensions to two existing dwellinghouses.
Front Extension
Portsmouth
Construction of hip to gable extension with dormer and front windows.
Wrap-Around Extension
12 Mayfield Road Portsmouth PO2 0RW
Single-storey side extension and rear annexe replacing existing.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Loft Conversion | Portsmouth | £25k–£50k | Rear dormer with Juliet balcony and front rooflights to roof slopes. | Approved |
| Loft Conversion | Portsmouth | £100k–£250k | Single-storey extension, roof alterations including loft conversion with set-back dormer, front roof terrace and first-floor front balcony. | Pending |
| Loft Conversion | Portsmouth | £50k–£100k | Construction of a dormer window to the front roof slope. | Pending |
| Loft Conversion | 140B Lake Road Portsmouth PO1 4HH | £50k–£100k | Change of use of upper floor flat to HMO (Class C4) with hip-to-gable roof extension and rear dormer. | Pending |
| Loft Conversion | 5 Portsdown Avenue Portsmouth PO6 1EH | £100k–£250k | Construction of a single-storey rear extension (replacing existing), front porch and roof alterations including hip-to-gable, rear dormer, three front rooflights and matching front gable. | Pending |
Loft Conversion
Portsmouth
Rear dormer with Juliet balcony and front rooflights to roof slopes.
Loft Conversion
Portsmouth
Single-storey extension, roof alterations including loft conversion with set-back dormer, front roof terrace and first-floor front balcony.
Loft Conversion
Portsmouth
Construction of a dormer window to the front roof slope.
Loft Conversion
140B Lake Road Portsmouth PO1 4HH
Change of use of upper floor flat to HMO (Class C4) with hip-to-gable roof extension and rear dormer.
Loft Conversion
5 Portsdown Avenue Portsmouth PO6 1EH
Construction of a single-storey rear extension (replacing existing), front porch and roof alterations including hip-to-gable, rear dormer, three front rooflights and matching front gable.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Dropped Kerb | Portsmouth | £250k–£1m | Construction of a steel-framed light industrial unit with new shutters and door openings and proposed drop kerbs to Stamford Street. | Approved |
| Garden Room | 109 Ludlow Road Portsmouth PO6 4AF | £50k–£100k | Replace existing outbuilding with a single-storey outbuilding with habitable roof space. | Approved |
| Garden Room | Portsmouth | Under £25k | Application to vary condition 4 to permit an outbuilding to be let as an Airbnb (short-term holiday let). | Refused |
| Garden Room | Portsmouth | £50k–£100k | Construction of an annexe in the rear garden. | Approved |
| Garden Room | Portsmouth | £25k–£50k | Erection of a single-storey ancillary outbuilding within residential curtilage. | Approved |
Dropped Kerb
Portsmouth
Construction of a steel-framed light industrial unit with new shutters and door openings and proposed drop kerbs to Stamford Street.
Garden Room
109 Ludlow Road Portsmouth PO6 4AF
Replace existing outbuilding with a single-storey outbuilding with habitable roof space.
Garden Room
Portsmouth
Application to vary condition 4 to permit an outbuilding to be let as an Airbnb (short-term holiday let).
Garden Room
Portsmouth
Construction of an annexe in the rear garden.
Garden Room
Portsmouth
Erection of a single-storey ancillary outbuilding within residential curtilage.
Data sourced from Portsmouth City Council planning records and refreshed regularly.
Featured Projects
A snapshot of recent construction opportunities across Portsmouth.
Remodelling of interior, removal of rear bay window to be replaced with new timber glazed doors. Adaption to existing single-storey extension with new timber glazed doors and window. Removal of existing railings to roof terrace to be replaced with new traditional style black metal railings.
£50k–£100kGosport
Remodelling of interior and alterations to existing single-storey extension.
Remodelling of interior, removal of rear bay window to be replaced with new timber glazed doors. Adaption to existing single-storey extension with new timber glazed doors and window. Removal of existing railings to roof terrace to be replaced with new traditional style black metal railings.
£50k–£100kGosport
Remodelling of interior and adaptation of existing single-storey extension with new timber glazed doors.
Construction of single storey front extensions to 2no. existing dwellinghouses
£50k–£100kPortsmouth
Construction of single storey front extensions to two existing dwellinghouses.
Construction of hip to gable extension, with dormer to rear roofslope and windows to front roofslope on existing C4 HMO (no change of use).
£50k–£100kPortsmouth
Construction of hip to gable extension with dormer and front windows.
Examples of projects at an early stage before wider competition builds.
See All 35 Construction Leads in Portsmouth
Unlock full details and connect with homeowners while projects are still taking shape.
Get Access NowPlanning Application Status in Portsmouth
41%
Approved
53%
Pending
6%
Refused
In Portsmouth, 41% of planning applications are approved, 53% are still pending, and 6% are refused. Pending applications can give builders an opportunity to make contact while projects are still at an early stage.
Getting in touch earlier puts you in a stronger position before others step in.
Based on planning applications submitted over the last 30 days.
Planning Approval Times in Portsmouth
Among applications tracked by BuildAlert in Portsmouth, the median time from submission to decision is 8 weeks. Smaller projects like extensions tend to be approved more quickly, while larger developments can take longer.
Based on approved applications with recorded decision dates over the last 3 months.
Domestic vs Commercial Projects in Portsmouth
In Portsmouth, 77% of planning applications are domestic and 23% are commercial. Both segments offer opportunities depending on the scale of work you take on.
Demand for Building Work in Portsmouth
Portsmouth's tightly constrained land supply keeps new-build activity to a small share of the market compared with conversion, extension, and refurbishment work on its dense terraced housing stock. The Article 4 Directions covering Southsea, Fratton, and Copnor have, if anything, increased the volume of full planning applications for HMO conversions in those areas, since landlords there can no longer rely on permitted development. Waterfront regeneration around the Historic Dockyard continues to bring commercial and mixed-use opportunities alongside the city's steady residential extension and conversion market.
How to Win Jobs in Portsmouth
Contact Homeowners Early
Planning applications highlight upcoming work, giving you a chance to get in touch before builders are shortlisted.
Focus on Approved Applications
Approved applications can be particularly valuable because the project has cleared a major planning hurdle and may be moving closer to construction.
Target Higher-Value Projects
Filter by estimated project value to focus your outreach on jobs that match the size and type of work your business takes on.
How BuildAlert Works
Three simple steps to start winning more construction work in Portsmouth.
Track Planning Applications
We monitor Portsmouth City Council and surrounding authorities daily for new residential projects.
Filter by Location & Type
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Contact Homeowners
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Nearby Areas
Builders based in Portsmouth often take on work in nearby Hampshire areas such as Havant, Fareham, and Gosport, helping maintain a consistent flow of projects.
Frequently Asked Questions
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