Rights of light

Whether you are a developer whose proposed scheme is threatened by a neighbouring owner’s right to light, or a property owner whose light is being diminished by a development next door, our property disputes solicitors have experience advising on rights of light disputes.

What are rights of light?

A right to light is a type of easement that entitles the owner of a building to receive a reasonable amount of natural daylight through defined apertures, typically windows. It is one of the most practically significant and commercially sensitive property rights, particularly in urban areas where development pressure is intense and the proximity of neighbouring buildings means that new construction can have a material impact on the amount of light enjoyed by existing properties.

A right to light is a private right between landowners. It is entirely separate from planning law. A development that has been granted planning permission does not extinguish or override any private right to light that a neighbouring owner may have. A developer who proceeds with a scheme in reliance on planning permission without addressing rights of light issues, exposes itself to the risk of an injunction that could halt or require the demolition of the development, or a claim for substantial damages.

You will find answers to common questions to rights of light in the FAQs at the bottom of this page. 

What does a rights of light solicitor do? 

Rights of light disputes require a combination of specialist legal knowledge and expert surveying input. These disputes are technically demanding, commercially significant and, if not managed carefully, capable of derailing or substantially delaying development projects.

Working with developers, a rights of light solicitor will identify and quantify the rights of light risk at the earliest possible stage in the development process, advising on the options available to manage or extinguish that risk (including negotiated releases, insurance, and the registration of light obstruction notices) and acting swiftly and decisively if an injunction application is threatened.

Working with neighbouring owners of a development, a rights of light solicitor will ensure that their rights are properly protected, that any interference is accurately assessed and that they receive fair compensation, or, where appropriate, that the development is restrained.

Our property disputes solicitors have a good network of entrusted surveyors who they work alongside to get the best results. These surveyors use daylight and sunlight modelling to assess the extent of any interference with a dominant owner’s light, and their evidence is central to both the merits of any claim and the valuation of any compensation.

As with all property disputes, early advice is essential. In the context of rights of light, timing is particularly critical. The options available to a developer diminish significantly once construction has commenced, and a neighbouring owner who delays in asserting their rights may find that the court is less willing to grant injunctive relief.

Related articles

Rights of Light: Key considerations for developers

Why choose B P Collins as your rights of light solicitors?

With over 60 years of experience in rights of light disputes, we’re consistently ranked by Chambers UK and The Legal 500 for the strength of our property disputes practice. Our solicitors advise both developers and neighbouring owners at all stages of a rights of light dispute, from early risk assessment and pre-development strategy through to negotiation, the registration of light obstruction notices, and, where necessary, injunction applications and contested proceedings.

Our property disputes team focuses on getting to the heart of the right to light dispute, clearly understanding your objectives, carefully managing risk and achieving a swift, efficient and cost-effective resolution. The team’s ethos is simple: solve the problem.

Contact our rights of light solicitors today

For further information or advice please contact our rights of light solicitors. Our teams are based in London, Thame and Gerrards Cross, and can be contacted on, 01753 889995 or at enquiries@bpcollins.co.uk.

Rights of light FAQs

How does a right to light arise?

A right to light can arise in one of three ways:

It can be granted expressly — by a deed or in the conveyance or transfer of a property.
By implication on the grant of a lease or transfer of land, where it is necessary to give effect to the parties' intentions.
A right to light usually arises through long, uninterrupted use. Under the Prescription Act 1832, if a property has received natural light through a defined opening for at least 20 years, without consent or interruption, the right is typically acquired automatically, unless the neighbouring owner has taken steps to prevent it.

The 20-year prescriptive period is the most important route by which rights of light are acquired in practice, and it has significant implications for developers: a building that has stood for 20 years or more will almost certainly have acquired rights to light through its windows, regardless of whether those rights appear in the title deeds. This is why a ‘rights of light assessment’ is an essential part of the due diligence process for any development project.

Can a right to light be prevented from arising?

Yes. A prescriptive right to light can be prevented from arising by interrupting the 20-year period of use. The most common method is registering a light obstruction notice under the Rights of Light Act 1959, which effectively stops time running unless it is successfully challenged within a year.

This is a practical and cost-effective risk management tool, but it should be used with legal advice to ensure it is valid and defensible.

Does planning permission override a right to light?

No. Planning permission does not override private rights of light. A developer who proceeds without addressing a rights of light issue does so at its own risk, and permission offers no guarantee against opposing an injunction.

What remedies are available for infringement of a right to light?

The two principal remedies are injunctions and damages.

An injunction can stop a development (an interim injunction, obtained before or during construction) or require it to be altered or removed. It is often the most powerful remedy.
Alternatively, the court may award damages instead, based either on loss of amenity or a share of the developer’s profit. Negotiating damages can result in substantial awards, and their availability is a powerful incentive for developers to resolve rights of light issues before construction commences.

The choice between injunction and damages (and the factors that influence the court’s discretion) is strategic in any rights of light dispute, but both remedies can have significant financial and commercial impact. Our property disputes team can advise on both the merits of a claim and the likely remedies available.

Can a right to light be released or extinguished by agreement?

Yes. A right to light can be released by agreement, typically in exchange for a financial payment. A negotiated release is often the most commercially pragmatic solution for a developer providing certainty, removing the risk of injunctive proceedings and avoiding the reputational and financial consequences of a contested dispute.

The value of a release depends on factors such as the level of impact and the parties’ negotiating position. A dominant owner who understands the strength of their position, and who takes early legal advice, is well placed to negotiate a release on favourable terms. A developer who approaches negotiations constructively and at an early stage is more likely to achieve a commercial outcome than one who waits until proceedings have been issued.

What is rights of light insurance?

Rights of light insurance is a form of title indemnity insurance that protects a developer (and its funders and future purchasers) against the financial consequences of a rights of light claim, including the cost of any injunction, damages award or remedial works.

When should rights of light insurance be used?

It is widely used in the development industry as a tool for managing rights of light risk where a negotiated release has not been achieved.

Insurance is not a substitute for proper legal advice on the extent of the risk. Insurers will assess the risk carefully before offering terms, and the availability and cost of insurance will depend on the strength of the rights of light position, the steps taken to mitigate the risk and the nature of the development. In some cases, insurers may decline to offer cover or may impose conditions that limit the protection available.

Do I need a solicitor or a surveyor – or both?

Both. Right of light dispute solicitors will assess the existence and extent of the right, the proper interpretation of any relevant deeds or documents, the availability of remedies and the conduct of any litigation.

A rights of light surveyor will model the impact of the development and advise on whether an actionable interference has occurred or is threatened; a solicitor will advise on the legal framework, the strategy for resolving the dispute and the conduct of any negotiations or court proceedings

Can a development override a right to light under statute?

Yes, in limited circumstances. Section 203 of the Housing and Planning Act 2016 can allow certain developments to override rights of light, removing the risk of an injunction so that compensation is the only remedy.

This can be a valuable tool for developers, but it is not always available and must be carefully assessed. Early legal advice is essential to determine whether it applies and how to use it effectively.

Is there a time limit for bringing a rights of light claim?

Yes. Damages claims must generally be brought within six years of the infringement, usually when the development is completed. However, where an infringement is a continuing one (as it will be in most cases where a building remains standing), a fresh cause of action accrues each day and the limitation period is less likely to be a bar to a damages claim.

The position in relation to injunctions is more nuanced: the court's willingness to grant injunctive relief is a discretionary matter and delay in bringing proceedings (particularly where a development has already been completed) can be relevant to the exercise of that discretion.

For both developers and neighbouring owners, seek legal advice at the earliest possible stage.

Our Property disputes services