The London Borough of Hounslow stretches from the established residential streets of Chiswick and Brentford to the communities surrounding Heathrow in the west. It contains suburban housing, historic centres, riverside locations, employment land, transport corridors and major regeneration areas.

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This variety means that planning proposals must be considered in their immediate local context. A roof extension in Chiswick, a property conversion in Hounslow, a new home in Isleworth and a commercial proposal near Heathrow can each raise very different planning questions.

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The borough includes Hounslow, Chiswick, Brentford, Isleworth, Feltham, Hanworth, Heston, Cranford, Osterley, Bedfont and Lampton. It also contains parts of the Great West Road employment corridor and extensive areas influenced by Heathrow Airport and its transport connections.

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Residential Planning in Hounslow

 

A large proportion of Hounslow planning applications relate to existing houses, flats and residential plots.

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Typical proposals include:

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• Rear, side and wraparound extensions

• Loft conversions and roof alterations

• Porches, garages and garden buildings

• Replacement windows and external alterations

• Property conversions and subdivisions

• Houses in multiple occupation

• New dwellings on infill sites

• Retrospective applications

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In Chiswick, Bedford Park, Osterley and parts of Isleworth, the architectural character of the property and surrounding street can be particularly important. Extensions, roof additions and replacement windows may need to follow a carefully considered design approach.

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In Hounslow, Feltham, Hanworth and Heston, applications may involve a wider mixture of suburban houses, flats, commercial premises and redevelopment opportunities. Parking, access, refuse storage and the relationship with neighbouring properties can be central considerations.

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Chiswick, Brentford and the Thames

 

The eastern part of the borough contains established neighbourhoods, important commercial centres and riverside development.

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Chiswick includes traditional terraces, larger period homes, mansion blocks, shopping streets and conservation areas. Planning applications may require close attention to proportions, roof form, external materials and the effect on the established streetscape.

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Brentford contains a mixture of historic buildings, modern housing, commercial land and major regeneration sites close to the River Thames and the Grand Union Canal. Proposals may need to consider flood risk, waterside setting, building height, access and the relationship between new development and existing neighbourhoods.

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Isleworth also combines traditional residential streets, historic buildings, riverside locations and larger development sites. Heritage, landscape and neighbouring amenity may all influence the design of a proposal.

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Heathrow and the Western Part of Hounslow

 

Heathrow Airport has a significant influence on planning in Cranford, Bedfont, Feltham, Heston and other western parts of the borough.

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Depending on the proposal, planning considerations may include:

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• Aircraft and road noise

• Airport safeguarding

• Air quality

• Traffic and transport effects

• Building height

• Residential amenity

• Employment-land protection

• Flood risk and drainage

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These issues do not prevent development, but they may affect the type of supporting information required with an application.

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A proposed residential use near commercial, industrial or airport-related activity may also need to demonstrate that future occupiers would have acceptable living conditions.

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Great West Road and Commercial Development

 

The Great West Road corridor contains major employment sites, offices, warehouses, hotels and commercial buildings alongside residential neighbourhoods.

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Planning applications in this area may include:

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• Changes of use

• Office and commercial alterations

• Hotel development

• New residential schemes

• Mixed-use buildings

• Industrial and warehouse development

• Advertising and signage

• Shopfront alterations

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Commercial proposals may need to address servicing, deliveries, noise, operating hours, transport and the effect on nearby residents.

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Where a site has an established employment use, the loss of that use may also require supporting evidence and a clear planning justification.

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Conservation Areas and Heritage Considerations

 

Hounslow contains listed buildings, conservation areas, historic parks and neighbourhoods with distinctive architectural character.

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Additional planning controls may affect:

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• Replacement windows and doors

• Roof extensions and dormer windows

• Front and side extensions

• Boundary walls, gates and railings

• External materials and finishes

• Demolition

• Shopfronts and advertisements

• Work affecting listed buildings

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A listed building may require listed building consent as well as planning permission. Detailed drawings, material specifications and a heritage statement may be necessary to explain how the significance of the building will be protected.

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Some properties may also be affected by Article 4 Directions, previous planning conditions or restrictions on permitted development rights.

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Using the Hounslow Planning Search

 

The Hounslow planning search provides a useful starting point for researching a property, neighbouring site or proposed development.

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It can normally be used to:

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• Search applications by address or reference number

• View submitted plans and supporting documents

• Check whether an application is pending, approved or refused

• Read decision notices and planning conditions

• Examine the planning history of a property

• Review nearby applications

• Follow the progress of a current proposal

• Comment during the consultation period

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Using the Hounslow planning portal before preparing a new application can help identify previous decisions and recurring local planning issues.

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An approved application may provide useful context, but it does not guarantee that a similar proposal will be accepted. Differences in property type, plot size, neighbouring relationships, planning history and policy can lead to a different outcome.

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Planning Permission in Hounslow

 

The correct permission route will depend on the proposed work and the restrictions affecting the property.

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Hounslow council planning permission may be required for:

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• Larger house extensions

• Roof alterations and additional storeys

• New homes and replacement dwellings

• Property subdivisions and flats

• Houses in multiple occupation

• Commercial changes of use

• Shopfronts and advertisements

• Work in conservation areas

• Development affecting listed buildings

• Retrospective alterations

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Some projects may qualify as permitted development or prior approval. A Lawful Development Certificate can provide formal confirmation that proposed or existing development is lawful.

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Preparing a Hounslow Planning Application

 

Before drawings are prepared, it is important to establish the correct application route. Depending on the project, this may include:

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• Householder planning permission

• Full planning permission

• Prior approval

• Listed building consent

• Advertisement consent

• Change-of-use permission

• Lawful Development Certificate

• Retrospective planning permission

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A complete submission may require:

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• Location and block plans

• Existing and proposed floor plans

• Existing and proposed elevations

• Roof plans and building sections

• Street-scene drawings

• Design and access information

• Heritage or conservation statements

• Daylight and sunlight assessments

• Transport and parking information

• Tree, landscaping or ecology reports

• Drainage, waste or servicing details

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Planning Application Support

 

Planning Application Services (PAS) can assist with planning advice, architectural drawings and the preparation and submission of applications for properties throughout Hounslow.