Updated 8 August 2026 · 60 new leads in the last 30 days
Construction Leads in Castle Point
Get construction leads in Castle Point from real planning applications filed across the borough. Find out who is preparing to build and make contact while the project is still in its early stages.
- Data sourced directly from Castle Point Borough Council planning records
- See projects before they go out for quotes
- No shared lists — you approach homeowners yourself
Planning data sourced from Castle Point Borough Council and refreshed regularly.
60
New Leads (30 Days)
£140,741
Average Project Value
19
High Value Projects
Over £100k
Extensions
Most Common Project
Construction Trends in Castle Point
Canvey Island makes up a significant chunk of Castle Point's building activity, with a mix of bungalows, post-war semis, and older detached homes that are well-suited to ground-floor extensions and full refurbishments. Benfleet and Thundersley on the mainland have more varied stock — larger semis and detached properties where two-storey additions and loft conversions appear with some regularity. The borough is compact, which means builders can cover it without much travel time between jobs. Castle Point has four Article 4 Directions in place. Two protect conservation areas — Florence Gardens, covering 25 houses built by the Salvation Army in the 1930s, and South Benfleet's Old Village, Victorian development, and railway station — where alterations that would count as permitted development elsewhere need planning permission instead. The other two protect the woodland at Coombe Wood from unauthorised works.
Project Type Breakdown
A summary of planning applications recently filed with Castle Point Borough Council.
In Castle Point, Extensions account for the majority of planning applications (51 of 77 in the last 30 days), with Garage Conversions also showing consistent demand alongside Loft Conversions.
Most Active Planning Agents in Castle Point
The architects and planning agents submitting the most applications in Castle Point, based on recent planning records.
- 1Essex Architectural Planning Limited
- 2A9 Architecture
- 3RSP Design
- 4KVD PLANS LTD
- 5Rochfords Tree Services Limited
- 6Estuary Design Ltd
- 7Design Designed Ltd
- 8Evolution Tree Care Ltd
- 9Edith Garland Architecture
- 10Mark Hipsey
Project Value Insights
Most projects in Castle Point sit in a mid-range bracket — well-scoped jobs that provide solid margins without requiring a large team or extended programme.
- £20k – £45kBungalow extensions, garage conversions, and small alterations
- £45k – £90kRear extensions and loft conversions on semi-detached homes
- £90k – £200kDouble-storey extensions and major refurbishments
- £200k+New builds and larger replacement dwellings
The higher end of the market tends to be concentrated in Thundersley and the hills above Benfleet, where larger detached homes and more generous plots make bigger projects viable.
Recent Planning Applications in Castle Point
Extensions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Side Extension | Benfleet | £250k–£1m | Change of use of land to extend existing residential caravan site for Gypsy and Travellers. | Refused |
| Rear Extension | 468 Kents Hill Road North Thundersley Benfleet Essex SS7 4AB | £100k–£250k | Construction of a first floor rear extension, rear dormer, and extension of front dormer. | Refused |
| Wrap-Around Extension | 111 Chesterfield Avenue Thundersley Benfleet Essex SS7 3HR | £50k–£100k | Construct first floor side extension with front and rear dormers. | Refused |
| Single Storey Rear Extension | 58 Church Road Thundersley Benfleet Essex SS7 4BP | £50k–£100k | Demolish conservatory and construct single storey rear extension. | Approved |
| Single Storey Rear Extension | Flat 3 86 Brook Road Benfleet Essex SS7 5JF | £50k–£100k | Construct single storey rear extension and external alterations. | Approved |
Side Extension
Benfleet
Change of use of land to extend existing residential caravan site for Gypsy and Travellers.
Rear Extension
468 Kents Hill Road North Thundersley Benfleet Essex SS7 4AB
Construction of a first floor rear extension, rear dormer, and extension of front dormer.
Wrap-Around Extension
111 Chesterfield Avenue Thundersley Benfleet Essex SS7 3HR
Construct first floor side extension with front and rear dormers.
Single Storey Rear Extension
58 Church Road Thundersley Benfleet Essex SS7 4BP
Demolish conservatory and construct single storey rear extension.
Single Storey Rear Extension
Flat 3 86 Brook Road Benfleet Essex SS7 5JF
Construct single storey rear extension and external alterations.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Loft Conversion | 414 Rayleigh Road Thundersley Benfleet Essex SS7 3SU | £100k–£250k | Construct single storey front and rear extensions, loft conversion with dormers and external alterations. | Pending |
| Loft Conversion | 33 The Driveway Canvey Island Essex SS8 0AB | £100k–£250k | Demolish rear extension, raise roof and form hip-to-gable loft extension with side dormers, plus a 1.5 storey rear extension with balcony and external alterations. | Pending |
| Loft Conversion | 53 Grove Road Benfleet Essex SS7 1JH | £50k–£100k | Single-storey rear extension with flat roof, front and rear flat-roof dormers and porch extension. | Pending |
| Loft Conversion | 46 Alderleys Benfleet Essex SS7 3QY | £25k–£50k | Construction of a front dormer. | Pending |
| Loft Conversion | 38 Tongres Road Canvey Island Essex SS8 9AZ | £25k–£50k | Construction of front dormers. | Pending |
Loft Conversion
414 Rayleigh Road Thundersley Benfleet Essex SS7 3SU
Construct single storey front and rear extensions, loft conversion with dormers and external alterations.
Loft Conversion
33 The Driveway Canvey Island Essex SS8 0AB
Demolish rear extension, raise roof and form hip-to-gable loft extension with side dormers, plus a 1.5 storey rear extension with balcony and external alterations.
Loft Conversion
53 Grove Road Benfleet Essex SS7 1JH
Single-storey rear extension with flat roof, front and rear flat-roof dormers and porch extension.
Loft Conversion
46 Alderleys Benfleet Essex SS7 3QY
Construction of a front dormer.
Loft Conversion
38 Tongres Road Canvey Island Essex SS8 9AZ
Construction of front dormers.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Garden Room | 9 Cumberland Avenue Benfleet Essex SS7 5NU | £25k–£50k | Demolish existing shed and concrete base and construct timber motorcycle garage workshop in rear garden. | Approved |
| New Build | 104 May Avenue Canvey Island Essex SS8 7EX | £250k–£1m | Demolish existing dwelling and construct a five-bedroom detached dwelling. | Approved |
| Garden Room | 35 Moreland Close Thundersley Benfleet Essex SS7 4ER | £25k–£50k | Retrospective application for the construction of an outbuilding. | Approved |
| Garden Room | 43 Elm View Road Benfleet Essex SS7 5AR | £25k–£50k | Construction of an outbuilding. | Approved |
| Garage Conversion | Jaymar 16 Albion Road Benfleet Essex SS7 5PU | £25k–£50k | Convert garage to a habitable room and make external alterations. | Approved |
Garden Room
9 Cumberland Avenue Benfleet Essex SS7 5NU
Demolish existing shed and concrete base and construct timber motorcycle garage workshop in rear garden.
New Build
104 May Avenue Canvey Island Essex SS8 7EX
Demolish existing dwelling and construct a five-bedroom detached dwelling.
Garden Room
35 Moreland Close Thundersley Benfleet Essex SS7 4ER
Retrospective application for the construction of an outbuilding.
Garden Room
43 Elm View Road Benfleet Essex SS7 5AR
Construction of an outbuilding.
Garage Conversion
Jaymar 16 Albion Road Benfleet Essex SS7 5PU
Convert garage to a habitable room and make external alterations.
Planning data sourced from Castle Point Borough Council and refreshed regularly.
Featured Projects
Recent planning applications from across Castle Point, including Canvey Island and Benfleet.
The material change of use of land from paddock/pasture, to facilitate the extension of an existing residential caravan site, to provide 12no. additional static caravans (from 9no. to 21no.) for residential occupation by Gypsy and Travellers (retrospective)
£250k–£1mBenfleet
Change of use of land to extend existing residential caravan site for Gypsy and Travellers.
Construct first floor rear extension, rear dormer and extend front dormer
£100k–£250k468 Kents Hill Road North Thundersley Benfleet Essex SS7 4AB
Construction of a first floor rear extension, rear dormer, and extension of front dormer.
Construct first floor side extension with front and rear dormers
£50k–£100k111 Chesterfield Avenue Thundersley Benfleet Essex SS7 3HR
Construct first floor side extension with front and rear dormers.
Demolish conservatory and construct single storey rear extension
£50k–£100k58 Church Road Thundersley Benfleet Essex SS7 4BP
Demolish conservatory and construct single storey rear extension.
Live applications across the borough — most still in early planning stages.
See All 60 Construction Leads in Castle Point
View full project details and reach homeowners while the project is still being arranged.
Get Access NowPlanning Application Outcomes in Castle Point
48%
Approved
45%
Pending
7%
Rejected
In Castle Point, 48% of planning applications are approved, 45% are still pending, and 7% are rejected. Contacting homeowners early gives you the best chance of winning work.
Reaching out while applications are still active helps you get ahead of the pack.
Based on planning application outcomes over the last 3 months.
Planning Approval Times in Castle Point
In Castle Point, most planning applications are decided within 6 weeks. Smaller projects like extensions tend to be approved more quickly, while larger developments can take longer.
Domestic vs Commercial Projects in Castle Point
In Castle Point, the vast majority (93%) of planning applications are domestic projects such as extensions and loft conversions. Commercial developments make up a smaller portion but can offer higher-value opportunities for larger contractors.
Demand for Building Work in Castle Point
Property values in Castle Point are reasonable by Essex standards, but not so low that homeowners are indifferent to what they spend on improvements. Many residents have owned their homes for years and are making considered investments rather than quick fixes. The cost and disruption of upsizing locally pushes a number of families towards building out instead, which keeps project sizes meaningful. New housing sites are more limited here than in much of Essex, given the borough's tight boundaries, but the current Local Plan still allocates land for over 1,000 homes on Canvey Island alone, including a roughly 400-home scheme east of Canvey Road, plus town centre allocations in South Benfleet and Tarpots. That's a smaller pipeline of new-build work than neighbouring districts, but it adds to the borough's steady base of extension and refurbishment projects.
How to Win Jobs in Castle Point
Contact Homeowners Early
Planning applications show you who is about to start building — giving you time to make contact before the work is put out to tender.
Focus on Approved Applications
Prioritise leads that have already received planning approval. These homeowners are ready to hire and start work.
Target Higher-Value Projects
Filter for projects over £50k. Fewer builders compete for larger jobs, giving you better margins and longer contracts.
How BuildAlert Works
How to use planning applications to find construction work across Castle Point.
Track Planning Applications
We monitor Castle Point Borough Council and surrounding authorities daily for new residential projects.
Filter by Location & Type
Set your preferred areas, project types, and value range. See only relevant leads.
Contact Homeowners
Get contact details and send letters or emails directly to homeowners before your competitors.
Nearby Areas
Castle Point sits alongside Southend and Rochford, and many builders cover all three without difficulty. The links below cover the districts builders most commonly work across.
Frequently Asked Questions
Start Getting Construction Leads in Castle Point Today
Find construction leads in Castle Point from live planning data — no bidding, no shared enquiries.