South Kensington · SW7

Onslow Square, South Kensington

Grand Victorian garden square with stucco-fronted houses. Discover what renovation projects are possible and get expert guidance from our RIBA chartered architects.

About Onslow Square

Grand Victorian garden square with stucco-fronted houses. The Victorian stucco, period terraced, garden square found on this square represent some of South Kensington's most characterful residential architecture.

Property Types

  • Victorian stucco
  • period terraced
  • garden square

Property Values

Properties on Onslow Square typically range from £3M-£12M, reflecting the square's desirable location in South Kensington, SW7.

Conservation Status

Onslow Square falls within the South Kensington 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: South Kensington Conservation Area. Garden square protections.

Quick Facts

Location South Kensington, SW7
Property Values £3M-£12M
Conservation Area Yes
Popular Projects  
  • Full Refurbishment
  • Kitchen Renovation
  • Basement Conversion
  • Bathroom Renovation
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Popular Projects on Onslow Square

Full Refurbishment

Many properties on Onslow Square benefit from comprehensive refurbishment, updating period features alongside modern living requirements. From rewiring to replastering, we handle every aspect of renovation in SW7.

Kitchen Renovation

Upgrading the kitchen in a South Kensington property on Onslow Square transforms daily living. We specialise in period-sympathetic kitchen design for the victorian stucco, period terraced, garden square found in SW7.

Basement Conversion

Basement conversions on Onslow Square provide the extra space that South Kensington families need without compromising the period character above ground. Our structural engineers have extensive experience with the soil conditions in SW7.

Bathroom Renovation

Transforming dated bathrooms in Onslow Square properties adds comfort and value. Our designs respect the heritage character of South Kensington homes while delivering contemporary luxury.

Planning & Permissions on Onslow Square

Planning Notes

South Kensington Conservation Area. Garden square protections.

Our in-house planning consultants will prepare and submit all necessary applications for your Onslow Square 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

Onslow Square is located within the South Kensington 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 Onslow Square

Indicative costs per square metre for renovation projects on Onslow Square, South Kensington. Prices reflect the SW7 location and typical property types found on this square.

Project Type Standard (per m²) Premium (per m²) Luxury (per m²)
Full Refurbishment £1,500 - £2,250 £2,250 - £3,500 £3,500 - £5,000
Kitchen Renovation £1,125 - £1,750 £1,750 - £2,750 £2,750 - £4,375
Basement Conversion £3,750 - £5,000 £5,000 - £6,875 £6,875 - £10,000
Bathroom Renovation £1,500 - £2,250 £2,250 - £3,500 £3,500 - £5,625

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

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Other Streets in South Kensington

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