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Permitted Development Outbuilding Guide 2023

Updated: May 16, 2023



Permitteddevelopment.com is here to deliver your project. Please click here to view our website or simply call us on 02071 014730 to start your project today.


Everything you need to know about permitted development outbuildings rules in 2023.




Permitted Development Outbuildings in 2023


Class E - buildings incidental to the enjoyment of a dwellinghouse.

Permitted development outbuildings provides you with the perfect space for your very own sanctuary whether you are looking for an office area, a gym or a workshop, it provides you the perfect space to escape your house. At PermittedDevelopment.com, your personal designer will create the space that suits you.

​Permitted Development allows home owners to create a permitted development outbuilding of no more than 50% of your garden curtilage and in most instances, achieve exactly what they are looking for from their project without the need for planning permission.

Outbuildings larger than 30m are required to meet building regulations for construction. The size of outbuilding is set by the Government through their Permitted Development Technical Guidance and we have specialised in optimising these regulations to deliver your perfect outbuilding. And even if we discover that your desired outbuilding will exceed these regulations, then you've come to the right place as our specialists have extensive knowledge in small outbuildings too.


PermittedDevelopment.com is here for all your outbuilding needs!


With years of experience in Class E permitted development outbuildings, we're more than equipped to handle any project. The kind of certificate you will need to obtain is standard for all sizes of outbuildings. You need a Lawful Development Certificate - And we can get one for you!


Benefits of an outbuilding


Outbuildings provide the perfect escape from the house and can really maximise your garden potential. In 2022, there is nothing like indoor-outdoor living and outbuildings are the perfect way to achieve this. Whether you are looking for a garden room to serve your summer BBQ's out of, looking for a retreat away from the house, a new office or a garden shed to serve all your DIY needs, permitted development outbuildings are the way to go!


Outbuildings add value to your home


Outbuildings are a great way to increase the value of your home as the square foot created can be added to your house when you come to sell. Moreover, it is a great way to elevate your house and deliver what buyers are looking for in 2023.


Different types of permitted development outbuildings


  • Garden Shed

  • Swimming pool

  • Hot tub enclosure

  • Office

  • Greenhouse

  • Garages

  • Sauna

  • Summer room

  • There is really no end to what can be achieved.




Permitted development outbuilding size

The total area of ground covered by buildings, enclosures and containers within the curtilage (other than the original dwellinghouse) would exceed 50% of the total area of the curtilage (excluding the ground area of the original dwellinghouse).


Permitted development outbuilding height

The height of the building, enclosure or container would exceed, 4 metres in the case of a building with a dual-pitched roof, 2.5 metres in the case of a building, enclosure or container within 2 metres of the boundary of the curtilage of the dwellinghouse, or 3 metres in any other case.


The governments permitted development outbuilding rules


Class E Development is not permitted if;

(A) permission to use the dwellinghouse as a dwellinghouse has been granted only by virtue of Class G, M, MA, N, P , PA or Q of Part 3 of this Schedule (changes of use).

(B) The total area of ground covered by buildings, enclosures and containers within the curtilage (other than the original dwellinghouse) would exceed 50% of the total area of the curtilage (excluding the ground area of the original dwellinghouse).

(C) Any part of the building, enclosure, pool or container would be situated on land forward of a wall forming the principal elevation of the original dwellinghouse.

(D) The building would have more than a single storey.

(E) The height of the building, enclosure or container would exceed,

(i) 4 metres in the case of a building with a dual-pitched roof,

(ii) 2.5 metres in the case of a building, enclosure or container within 2 metres of the boundary of the curtilage of the dwellinghouse, or

(iii) 3 metres in any other case.

(F) The height of the eaves of the building would exceed 2.5 metres.

(G) The building, enclosure, pool or container would be situated within the curtilage of a listed building.

(H) It would include the construction or provision of a verandah, balcony or raised platform;

(i) It relates to a dwelling or a microwave antenna;

(j) The capacity of the container would exceed 3,500 litres.

(I) Development is not permitted by Class E if the total area of ground covered by buildings, enclosures, pools and containers situated more than 20 metres from any wall of the dwellinghouse would exceed 10 square metres.



How to apply for a lawful development certificate on your outbuilding


The council will need architectural plans to show what the outbuilding will look like with all its dimensions(Floor plans & Elevations), they will also need a location plan to support the application. The council charge £106 for this application and it guarantees your outbuilding as being lawful. At permittedevelopment.com we can undertake all these drawings and submit the lawful development on your behalf. Check out our website and get in touch for a quote.




Is an annex permitted development?


No. You will need to apply for planning permission if you are looking to build an annex to the property.


We can help you with this too! Get in touch for a quote.





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