Updated 21 September 2026 · 194 new leads in the last 30 days
Construction Leads in Kensington and Chelsea
Track live construction leads in Kensington and Chelsea drawn from planning applications submitted to the Royal Borough. Reach homeowners planning basements, refurbishments, and structural works before they start speaking to builders.
- Sourced directly from RBKC planning records, refreshed regularly
- Reach clients at the planning stage, before decisions are made
- Direct access. No bidding, no shared enquiries.
Data sourced from Royal Borough of Kensington and Chelsea planning records, updated regularly.
194
New Leads (30 Days)
£161,835
Average Project Value
67
High Value Projects
Over £100k
Extensions
Most Common Project
Construction Trends in Kensington and Chelsea
Conservation areas cover a large part of Kensington and Chelsea, which shapes what gets approved and where. Above-ground extensions are often restricted, pushing demand toward basement excavations, internal reconfigurations, and mansard roof alterations. The housing stock is varied: Victorian and Edwardian terraces through North Kensington, white stucco townhouses around Notting Hill and Holland Park, mansion blocks in South Kensington and Earl's Court, and mews cottages tucked throughout. Much of this stock is old and in need of substantial work, creating consistent demand for high-specification fit-outs and structural refurbishments.
Project Type Breakdown
Below is a breakdown of the most common construction project types submitted to RBKC planning over the past 30 days.
In Kensington and Chelsea, Extensions account for the majority of planning applications (102 of 234 in the last 30 days), with Heritages also showing consistent demand alongside Loft Conversions.
Most Active Architects and Planning Consultants in Kensington and Chelsea
The architects and planning consultants submitting the most construction-related applications in Kensington and Chelsea, based on recent planning records.
- 1AD Heritage Planning
- 2Phillips Planning Services Limited
- 3Maddox Planning
- 4Newmark
- 5Savills
- 6Montagu Evans LLP
- 7Bonnystreet (Town) Planning Limited
- 8Earl Kendrick (London & South) Ltd
- 9EFDW LIMITED
- 10Exedra Architects
Project Value Insights
Project values in Kensington and Chelsea tend to run higher than most parts of London. Knowing the typical cost ranges helps you focus on the projects that match your capacity and margin targets.
- £25k – £50kInternal fit-outs, outbuilding conversions, and minor structural alterations
- £50k – £100kMews extensions, rear works, and single-storey additions where conservation rules allow
- £100k – £250kMansard roof extensions, substantial refurbishments, and double-storey works
- £250k+Basement excavations, whole-house renovations, and high-specification full-property fit-outs
The highest-value projects are concentrated in areas such as Notting Hill, Holland Park, and Chelsea, where large family townhouses and significant renovation budgets are the norm.
Recent Planning Applications in Kensington and Chelsea
Extensions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Extension | Melbourne House, 50 Kensington Place, London, W8 7PW | £25k–£50k | Extension of existing car park to create two electric vehicle charging bays. | Withdrawn |
| Double Storey Extension | Greater London | £100k–£250k | Demolition and replacement of two storey closet wing with minor extension. | Approved |
| Double Storey Extension | Greater London | £100k–£250k | Demolition and replacement of non-original two storey closet wing with minor extensions. | Approved |
| Rear Extension | Greater London | £100k–£250k | Extension at basement level, replacement of rear extension, and various alterations including roof lights. | Approved |
| Rear Extension | 105 Blenheim Crescent, London, W11 2EQ | £100k–£250k | New lower ground floor rear extension and landscaping works with terrace replacement. | Approved |
Extension
Melbourne House, 50 Kensington Place, London, W8 7PW
Extension of existing car park to create two electric vehicle charging bays.
Double Storey Extension
Greater London
Demolition and replacement of two storey closet wing with minor extension.
Double Storey Extension
Greater London
Demolition and replacement of non-original two storey closet wing with minor extensions.
Rear Extension
Greater London
Extension at basement level, replacement of rear extension, and various alterations including roof lights.
Rear Extension
105 Blenheim Crescent, London, W11 2EQ
New lower ground floor rear extension and landscaping works with terrace replacement.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Loft Conversion | Greater London | £250k–£1m | Lower ground floor rear extension, infill extension, loft conversion with mansard roof, and window replacements. | Approved |
| Loft Conversion | 22 Ormonde Gate, London, SW3 4EX | £50k–£100k | Form a rear attic-level dormer window to replace existing Velux rooflights. | Pending |
| Loft Conversion | 3 Clabon Mews, London, SW1X 0EG | £50k–£100k | Construction of a side dormer roof extension with associated terrace. | Pending |
| Loft Conversion | 101 Dovehouse Street, London, SW3 6JZ | £50k–£100k | Formation of a rear mansard roof extension with two rear dormers and multiple rooflights. | Pending |
| Loft Conversion | 6 Shawfield Street, London, SW3 4BD | £100k–£250k | Remove existing conservatory and side return and replace with single-storey side and rear extension; raise main roof height, install rooflight, add side window and carry out loft alterations to increase head height and natural light. | Pending |
Loft Conversion
Greater London
Lower ground floor rear extension, infill extension, loft conversion with mansard roof, and window replacements.
Loft Conversion
22 Ormonde Gate, London, SW3 4EX
Form a rear attic-level dormer window to replace existing Velux rooflights.
Loft Conversion
3 Clabon Mews, London, SW1X 0EG
Construction of a side dormer roof extension with associated terrace.
Loft Conversion
101 Dovehouse Street, London, SW3 6JZ
Formation of a rear mansard roof extension with two rear dormers and multiple rooflights.
Loft Conversion
6 Shawfield Street, London, SW3 4BD
Remove existing conservatory and side return and replace with single-storey side and rear extension; raise main roof height, install rooflight, add side window and carry out loft alterations to increase head height and natural light.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Heritage | London | £25k–£50k | Internal structural alterations to lower ground and ground floors. | Approved |
| Garden Room | Greater London | £250k–£1m | Details required for contamination verification report related to previous planning permission. | Withdrawn |
| Heritage | Greater London | £25k–£50k | Replacement of windows and repairs to roof skylight. | Approved |
| New Build | 23 Cheyne Gardens, London, SW3 5QT | £250k–£1m | Demolition of existing dwelling and construction of a new three-storey dwelling with basement. | Approved |
| Heritage | Flat A, 139 Old Brompton Road, London, SW5 0LF | £100k–£250k | Restoration of vaults and provision of shower room and laundry space. | Approved |
Heritage
London
Internal structural alterations to lower ground and ground floors.
Garden Room
Greater London
Details required for contamination verification report related to previous planning permission.
Heritage
Greater London
Replacement of windows and repairs to roof skylight.
New Build
23 Cheyne Gardens, London, SW3 5QT
Demolition of existing dwelling and construction of a new three-storey dwelling with basement.
Heritage
Flat A, 139 Old Brompton Road, London, SW5 0LF
Restoration of vaults and provision of shower room and laundry space.
Data sourced from Royal Borough of Kensington and Chelsea planning records, updated regularly.
Featured Projects
A snapshot of active construction opportunities currently visible across Kensington and Chelsea.
Internal structural alterations to lower ground floor and ground floor.??
£25k–£50kLondon
Internal structural alterations to lower ground and ground floors.
Extension of existing car park to create two electric vehicle charging bays.
£25k–£50kMelbourne House, 50 Kensington Place, London, W8 7PW
Extension of existing car park to create two electric vehicle charging bays.
Proposed demolition, replacement and minor extension of non-original two storey closet wing; replacement of rear lower ground floor window with French doors (window reused in the replacement wing); replacement of side access gate and installation of front railings and gate; fenestration enhancements and internal alterations at all levels. Replacement of rear dormer at roof level.
£100k–£250kGreater London
Demolition and replacement of two storey closet wing with minor extension.
Proposed demolition, replacement and minor extension of non-original two storey closet wing; replacement of rear lower ground floor window with French doors (window reused in the replacement wing); replacement of side access gate and installation of front railings and gate; fenestration enhancements and internal alterations at all levels. Replacement of rear dormer at roof level.
£100k–£250kGreater London
Demolition and replacement of non-original two storey closet wing with minor extensions.
Early-stage projects across the borough you can act on now.
See All 194 Construction Leads in Kensington and Chelsea
Get full project details and reach homeowners before other builders are in the picture.
Get Access NowPlanning Application Outcomes in Kensington and Chelsea
19%
Approved
79%
Pending
2%
Rejected
In Kensington and Chelsea, 19% of planning applications are approved, 79% are still pending, and 2% are rejected. Contacting homeowners early gives you the best chance of winning work.
Getting in touch earlier puts you in a stronger position before others step in.
Based on planning application outcomes over the last 3 months.
Planning Approval Times in Kensington and Chelsea
In Kensington and Chelsea, most planning applications are decided within 8 weeks. Smaller projects like extensions tend to be approved more quickly, while larger developments can take longer.
Domestic vs Commercial Projects in Kensington and Chelsea
In Kensington and Chelsea, 58% of planning applications are domestic and 42% are commercial. Both segments offer opportunities depending on the scale of work you take on.
Demand for Building Work in Kensington and Chelsea
Property values here are among the highest in the country, which changes how owners approach investment decisions. Adding below-ground space or reconfiguring an existing floor plan can add significant value, and many owners are willing to spend accordingly, whether they are long-term residents or renovating ahead of a sale. At this price bracket, the cost of moving is high enough that upgrading in place often makes more sense than finding somewhere larger.
How to Win Jobs in Kensington and Chelsea
Contact Homeowners Early
Planning applications show exactly who is preparing to build, giving you a direct route to new clients before the work goes out to the market.
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
Three steps to start reaching homeowners planning construction work in Kensington and Chelsea.
Track Planning Applications
We monitor Royal Borough of Kensington and Chelsea 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
Builders working across Kensington and Chelsea frequently take on projects in neighbouring boroughs too, keeping their schedule full across west and central London.
Frequently Asked Questions
Start Getting Construction Leads in Kensington and Chelsea Today
Access planning-based leads in Kensington and Chelsea. No bidding, no shared enquiries. Direct contact with homeowners.