Kitchen extension with floor-to-ceiling Crittall windows by Martins Camisuli

Kitchen extension ideas and planning tips

Planning a kitchen extension? This guide takes you from design to a project timeline

By Caroline Rodrigues | 26 August 2020

Transform your home and create a well-planned and spacious layout by adding a kitchen extension. A single-storey addition is a lower-cost option, but if your budget and local planning policy allows, go for two-storeys. Doubling the height won’t double the cost, as the foundations and roof will be factored into the overall cost of the project, whether on one level or two.

Read on for kitchen extension ideas, planning considerations and project management tips…

Staying within the rules

Some kitchen extensions can be carried out under permi­tted development (PD) rules, which means that applying for planning permission is not necessary. There are plenty of kitchen extension ideas that work well within these limitations. To see the legislation in full, visit the Planning Portal.

‘You can apply for PD if your extension, including previous extensions or other buildings such as sheds, does not exceed 50% of the total area of land around the original house,’ says Ana Martins of architect Martins Camisuli.

White paint and white wooden panels give this London kitchen extension by Holloways the look of a New England beach house

This kitchen extension in a west London conservation area has the look of a New England beach house. Photo: Kitchens by Holloways

Seeking planning approval

You might need planning permission for your kitchen extension, and further restrictions will apply if your property is in a conservation area or is listed. ‘We believe in submitt­ing an application for what you actually want, within reason, and seeing how the planners react,’ says Ana.

‘Planners are always open to discussions and are usually reasonable, unless your proposal is way beyond what is acceptable. Approach your neighbours to see what they might object to. They have a lot of power; an objection could destroy your plans.’

Bear in mind that party wall agreements may be required if work affects the boundary with neighbouring properties. All projects are subject to building regulations consent.