builderfinder.uk
← Back to Advice

Kitchen Extension Planning Permission in Derby

08 Aug 2026

Most single-storey rear kitchen extensions in Derby fall under permitted development, meaning no full planning application is needed - though the city's densely terraced streets around Normanton and Pear Tree bring their own access challenges even where planning itself isn't the obstacle.

Permitted development limits

A single-storey rear extension is commonly allowed up to 3m beyond the rear wall for a terraced or semi-detached house, or 4m for a detached one, without needing planning permission. The "larger home extension" prior approval scheme extends those limits to 6m and 8m respectively, but requires notifying neighbours via the council and waiting out an objection period first. Height limits also apply - commonly around 4m maximum, and no higher than 4m within 2m of a boundary.

Where it gets more complicated

Normanton and Pear Tree terraces without a side gate mean materials and spoil go through the house, which a builder will price in accordingly. Derby's Victorian terraces, built up rapidly around the railway works, were also often built on shallower footings than current standards expect, which can mean extra structural work for an extension.

Get it confirmed, don't assume it

A Lawful Development Certificate from Derby City Council is a formal, low-cost confirmation that protects you if a neighbour complains or you sell the house later. A builder who works regularly in your specific part of the city will usually already know what's realistic for your street.

Ready to get quotes? Post your job on builderfinder.uk and hear from vetted, reviewed builders who cover Derby - it's free, and your details stay private until you accept one.

Frequently asked questions

Do I need planning permission for a kitchen extension in Derby?

Usually not up to 3m (terraced/semi-detached) or 4m (detached) beyond the rear wall - or 6m/8m via the larger home extension scheme - but check for World Heritage buffer zone status near the Derwent corridor.

Do Normanton and Pear Tree terraces have foundation issues for extensions?

Sometimes - Derby's Victorian terraces built around the railway works were often built on shallower footings than current standards expect, which can mean extra structural work.