Hampstead · NW3

Cannon Lane, Hampstead

Secluded lane with large detached houses backing onto Hampstead Heath. Discover what renovation projects are possible and get expert guidance from our RIBA chartered architects.

About Cannon Lane

Secluded lane with large detached houses backing onto Hampstead Heath. The Edwardian detached, 1930s houses, modern builds found on this lane represent some of Hampstead's most characterful residential architecture.

Property Types

  • Edwardian detached
  • 1930s houses
  • modern builds

Property Values

Properties on Cannon Lane typically range from £3M-£8M, reflecting the lane's desirable location in Hampstead, NW3.

Conservation Status

Cannon Lane falls within the Hampstead Conservation Area. All external alterations require careful consideration of the area's character and appearance. Our planning team will guide you through the requirements.

Planning Notes: Conservation area. Heath proximity restrictions.

Quick Facts

Location Hampstead, NW3
Property Values £3M-£8M
Conservation Area Yes
Popular Projects  
  • Basement Conversion
  • House Extension
  • Full Refurbishment
  • Garden Design
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Popular Projects on Cannon Lane

Basement Conversion

With Edwardian detached properties typical of Cannon Lane, basement conversions offer significant additional living space without altering the streetscape. Ideal for creating home cinemas, gyms, or additional bedrooms in this NW3 location.

House Extension

Well-designed extensions on Cannon Lane can add significant living space to NW3 properties. Our architects create designs that complement the existing Edwardian detached character while maximising internal space.

Full Refurbishment

A whole-house refurbishment on Cannon Lane transforms tired period properties into contemporary family homes. With values at £3M-£8M, investing in quality renovation delivers excellent returns in Hampstead.

Garden Design

Garden design for Cannon Lane properties creates beautiful outdoor spaces that complement the edwardian detached, 1930s houses, modern builds. Our landscape architects understand the planting traditions and scale appropriate to Hampstead.

Planning & Permissions on Cannon Lane

Planning Notes

Conservation area. Heath proximity restrictions.

Our in-house planning consultants will prepare and submit all necessary applications for your Cannon Lane project, liaising directly with the local authority on your behalf.

97% Our planning approval rate across London, reflecting our deep understanding of local policies and relationships with planning officers.
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Conservation Area Guidance

Cannon Lane is located within the Hampstead Conservation Area. All external alterations must preserve or enhance the character and appearance of the area. This includes:

  • Using materials that match or complement the existing streetscape
  • Maintaining original architectural features such as windows, doors and decorative elements
  • Ensuring any extensions or additions are subordinate to the original building
  • Protecting mature trees and established garden landscapes

Estimated Costs on Cannon Lane

Indicative costs per square metre for renovation projects on Cannon Lane, Hampstead. Prices reflect the NW3 location and typical property types found on this lane.

Project Type Standard (per m²) Premium (per m²) Luxury (per m²)
Basement Conversion £3,450 - £4,600 £4,600 - £6,325 £6,325 - £9,200
House Extension £2,875 - £3,680 £3,680 - £4,600 £4,600 - £6,325
Full Refurbishment £1,380 - £2,070 £2,070 - £3,220 £3,220 - £4,600

Costs are indicative and based on typical projects in Hampstead. Final pricing depends on specification, site conditions and scope. All prices exclude VAT.

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