Hounslow ranges from high-value Edwardian and Victorian housing in Chiswick through active Brentford waterfront redevelopment and Hounslow town centre regeneration to suburban housing across Isleworth, Feltham, and the Heathrow fringe. Almost all the older residential stock carries windows that have received natural light for well over the 20 years required to acquire the easement under the Prescription Act 1832, which means tall building schemes along the river, town centre redevelopment, and mid-rise residential blocks all routinely raise rights of light questions. London Borough of Hounslow planning consent does not address that legal position.
We act on Hounslow schemes from the London head office, with reach across Chiswick, Brentford, Isleworth, and Feltham, supported by colleagues in Essex and Hampshire. CHP is RICS regulated and has been advising on rights of light since 2004. The London team handles this work with specialist focus, and where rooftop or upper-floor work is in play we can bring in airspace development advice.
The surveyor's first job on a Hounslow project is the initial appraisal, identifying which neighbouring windows are likely to carry an acquired right and where the proposed massing creates the most risk. Specialist rights of light software then models the existing and proposed light levels, with results tested against the Equivalent First Zone and the 50/50 rule to quantify any loss. Where modelling shows likely infringement, the cutback analysis works through design variations until the scheme sits within acceptable parameters.
For Hounslow schemes that often means Brentford waterfront tall building projects, Hounslow town centre redevelopment, Chiswick conservation area infill on high-value Edwardian and Victorian housing, and mid-rise residential blocks across the borough. Our rights of light assessments overview sets out the broader method for design teams new to the area. Calls go through to a qualified surveyor rather than a call centre.
An infringement does not automatically stop a Hounslow scheme, but it does expose the developer to either an injunction, which can require alteration or in extreme cases demolition of the offending part of the building, or a damages award calculated as a share of the development profit attributable to the lost light. Most matters resolve through negotiation, with a release of rights agreed in return for a settlement payment to the adjoining owner.
Quantifying the position before drawings are signed off gives the design team room to cut back massing, reposition windows, or rework the upper floors at a stage when changes are still affordable. Most Hounslow schemes also call for daylight and sunlight reports as part of the same planning submission, and we run both pieces of work from the same team.
