Planning and Permitted
Development for Extensions



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EGECO House Development employs a team work specialists for Houses extension, loft conversion, Property Renovation. We handle every aspect of the design and build process, including technical guidance and applications for planning permission. Permission for extending a residential property is provided by the local authority in which the property resides. There are two different ways in which approval can be sought, these are Planning Permission and Permitted Development. The appropriate type of permission will depend on the type of Development that you wish to carry out, and the type of property which you intend to carry out the works to. Below is a brief outline of the differences between the two types of permission:








What is Permitted Development?

The term ‘permitted development’ describes a set of rights that entitles homeowners to extend their properties in certain ways (e.g. kitchen extensions and loft extensions) without applying for planning permission. In the United Kingdom, all houses (excluding flats) have permitted development rights. The only exceptions are houses that are either listed or located in conservation areas. Permitted development also does not apply to leasehold properties.

Providing that the scope of the extension meets the property’s specific criteria, owners are guaranteed approval for their extension. The below table shows the requirements for permitted development rights, based on the type of property.

Permitted Development for Extensions by Propertys

What is Prior Approval?

Introduced in 2013, Prior Approval, a temporary government scheme, doubled the allowable depth for property extensions under Permitted Development. This scheme stipulates that approval for extensions and conversions is granted if immediate neighbors do not object. If objections arise, the council evaluates the application using criteria similar to obtaining Planning Permission.

Planning Permission for Extensions

Householder planning permission is necessary for conversions and extensions beyond Permitted Development limits. This entails an application to the local authority, where approval is determined.

Assessing planning applications involves various factors, with key considerations being the local authority’s planning policy and precedent. These factors vary across boroughs, and each application is evaluated on its merits. Leveraging our local experience, we guide you on achievable outcomes. The planning permission process is nuanced, and we are dedicated to collaborating with local authorities to secure optimal solutions for our customers.

Party Wall Agreement for Loft Conversions and Extensions

For loft conversions or extensions requiring work on a party wall or foundations within 3 meters of a neighbor’s property, a party wall notice must be served. This provides neighbors the option to appoint a Party Wall Surveyor, who will create a formal Party Wall Award. This document outlines the neighbor’s property condition before work begins and serves as a reference in case of damages. Neighbor consent can avoid a formal award, but if needed, you’re responsible for costs. A Consent Notice for a formal Party Wall Award must be signed before commencing any work.

Extensions on Freehold Properties

If you own a share of freehold or are a leasehold owner, obtaining a License to Alter is necessary before making structural alterations to your property. The specific process depends on your lease agreement terms. It’s recommended to consult a solicitor promptly. Generally, freeholder consent cannot be unreasonably withheld, but the complexity varies based on the lease terms and the freeholder involved. While you can’t secure a License to Alter without plans and structural designs, we advise homeowners to address this matter before preparing extension plans due to the process length and associated costs.

Thames Water

For excavation work within 3 meters of a public sewer, obtaining a Thames Water Build Over Agreement is necessary. This entails submitting plans to Thames Water for approval, ensuring the proposed construction won’t adversely affect the drain. EGECO will handle the application, but you’re responsible for Thames Water’s fee if an agreement is needed. We conduct a drainage survey at your property, advising on existing drainage implications for the build. If your land’s drainage exclusively serves your property, it’s considered private, and no Build Over agreement is required.

 

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