Stamford Brook Avenue, Hounslow: Heritage Planning in London

Client: Private Client

Architects: Goldstein Heather Architects

Description of Development: Erection of a four-storey side extension to No. 20 Stamford Brook Avenue, following the demolition of No. 18, and associated internal alterations.

Location: 18–20 Stamford Brook Avenue, W6 0YD, London

Project Overview: Heritage Planning in London

The Stamford Brook Avenue project delivers the sensitive redevelopment of a prominent corner site within the Stamford Brook Conservation Area. The proposal includes the demolition of No. 18 Stamford Brook Avenue and the construction of a four-storey side extension to the adjoining property at No. 20, incorporating detailed façade design, material quality and sustainable building techniques.

Maddox Planning advised on the planning strategy, led discussions on heritage and design matters and successfully secured planning permission on this four-storey home in Hounslow on behalf of the applicant.

Four-Storey Side Extension Planning Permission in Conservation Area: Key Issues Addressed

1. Design and Heritage: Securing planning permission within a conservation area required a careful and considered design approach. The approved scheme enhances the character of the existing Victorian streetscape through high-quality brickwork, refined detailing and proportionate massing that responds to its surroundings.

   
   

   Detailed material specifications including brick and mortar samples, cladding, windows, balconies and roof treatments were secured through planning conditions to ensure compatibility with the area’s heritage significance and the Council’s Residential Extension Guidelines. The development’s sympathetic approach ensures that the new building integrates seamlessly with the existing architectural context and protects the setting of nearby heritage assets.

   
   

2. Residential Quality and Use: The extension forms part of the original dwelling at No. 20 and is restricted from subdivision, ensuring that accommodation standards remain high and preventing the creation of undersized or poor-quality residential units. Internal layouts and amenity provisions align with local plan policies, delivering a high-quality living environment consistent with Hounslow’s design objectives.

   
   

3. Construction Management and Neighbourhood Amenity: Comprehensive measures were approved to protect neighbouring amenity during demolition and construction. These include strict working hours, a TfL-compliant Construction Logistics Plan (CLP) and membership of the Considerate Constructors Scheme. These provisions manage site traffic, material storage and highway safety, minimising disruption to neighbouring residents.

   
   

4. Sustainability and Environment: In line with heritage planning policy and London Plan requirements, the scheme incorporates sustainable construction measures including green roofs, compliant waste storage and improved drainage solutions. Construction machinery is required to meet GLA emission standards, ensuring impacts on air quality and noise are appropriately managed.

Heritage Planning in London: Development Highlights

Stamford Brook Avenue demonstrates Maddox Planning’s expertise in guiding complex residential proposals through the Hounslow planning processs, particularly within sensitive conservation area developments in dense urban contexts. Close collaboration with officers, architects and technical specialists ensured an outcome that respects heritage character while meeting modern residential and sustainability standards.