Do commercial properties have permitted development rights?
Rachel Hernandez
Updated on February 24, 2026
Permitted Development Rights do exist for commercial buildings, however, they are not widely known and the conditions attached are complex. Office buildings may be extended up to 25% or 50 square metres (whichever is lesser), subject to other conditions and limitations.
Hereof, do listed buildings have permitted development rights?
There are a number of permitted development rights that do no apply to listed buildings and which will require express planning permission from the local planning authority. An example is the erection of a building, enclosure (ie. fencing), pool or container within the curtilage of a listed building.
One may also ask, do permitted development rights apply in conservation areas? In Conservation Areas, in addition to the usual requirements for planning permission, some permitted development rights are restricted. This means that planning permission is needed for some changes that would usually be considered 'permitted development'.
In this way, what can I build under permitted development rights?
Some home improvements that you can make under Permitted Development include:
- Building a porch.
- Internal alterations.
- Convert and occupy the loft space.
- Installing microgeneration equipment such as solar panels (apart from wind turbines)
- Installing satellite dishes and erecting antenna.
- Adding rooflights or dormer windows.
Do I need to inform the Council for permitted development?
The Planning Portal's general advice is that you should contact your local planning authority and discuss your proposal before any work begins. They will be able to inform you of any reason why the development may not be permitted and if you need to apply for planning permission for all or part of the work.
Related Question Answers
Can a Neighbour object to permitted development?
Yes they can. If they don't think the development is lawful, then they can object to that effect. Similarly if the plans didn't resemble what was on site, e.g. boundary not shown in the correct place, etcWhat are the rules on permitted development?
Rules, known as 'permitted development' rights, allow you to extend a house without needing to apply for planning permission if specific limitations and conditions are met. If you want to exceed these, then it is likely that an application for householder planning permission will be required.What can't you do to a Grade 2 listed building?
Grade II listed buildings are subject to regulations which protect their historical and architectural significance. These buildings are of special interest, meaning alterations and building work can't be carried out without written consent from the relevant authorities.What size extension can I build under permitted development?
If the extension is within 2m of a boundary, maximum eaves height should be no higher than 3m to be permitted development. 9. Single-storey rear extensions must not extend beyond the rear wall of the original house* by more than 4m if a detached house; or more than 3m for any other house.How far can you extend without permission?
The permitted development rules have recently been relaxed, allowing you to build an extension without planning permission of up to six metres (or eight metres if your house is detached).Do you need prior approval for permitted development?
Certain types of development are granted planning permission by national legislation without the need to submit a planning application. This is known as 'Permitted Development'. Work must not commence on the development until the Local Planning Authority has issued its determination.What can you do to a listed building without consent?
The maximum penalties for carrying out unauthorised works to a listed building are currently a fine of £20,000 or six months' imprisonment on summary conviction and an unlimited fine or two years' imprisonment on indictment.What is the 45 degree rule?
What is the 45-Degree rule? The 45-degree rule also known as the 45-degree code and 45-degree guide is a method used by Local planning authorities to measure the impact from a proposal on sunlight and daylight to neighbouring properties. This includes natural sunlight and daylight.Can I build a garage under permitted development?
Outbuildings such as sheds, garages, greenhouses and some other structures are also considered to be permitted development. You can build a garage or outbuilding on your property without planning permission as long as it's of a reasonable size – no higher than 4 metres.How close to a boundary can I build?
If you are planning on building an extension of more than one story you cannot go beyond the boundary at the rear by more than 3 meters. This only applies when there is no other property on the land to the rear of your your home. The side boundaries can be built up to but you may need to factor in other considerations.Can I build a garden room without planning permission?
Will I need planning permission? If your proposed garden room is to be erected less than two metres from your property's boundary and will stand at less than 2.5 metres in height then it is unlikely to require planning permission.Do I need building regs for a small extension?
Most extensions of properties require approval under the Building Regulations. There are a number of classes of new buildings or extensions of existing buildings that do not need Building Regulations approval, i.e. are exempt from the Regulations.Do I need drawings for permitted development?
Extension Planning Drawings / Permitted Development DrawingsEven if your extension is considered Permitted Development (ie. The Lawful Development Certificate Application requires extension drawings of the exact type you would normally use for a Planning Application.
Can you build in conservation areas?
If your development site is in a conservation area, you will generally need 'planning permission for relevant demolition in a conservation area' (also commonly known as 'conservation area consent') to do the following: Demolish a building with a volume of 115 cubic metres or more.What is the difference between permitted development and planning permission?
Your Local Planning Authority (LPA) – usually the district or borough council – is responsible for deciding whether a proposed development should be allowed to go ahead. This is called Planning Permission. However, certain minor building works – known as Permitted Development– do not require Planning Permission.What can you not do in a conservation area?
What are the planning restrictions for homes in a conservation area?- A single storey extensions that extend more than 3 metres beyond the back wall of the house or 4 metres if the house is detached.
- Extensions greater than one storey.
- Side extensions.
- Roof extensions or alterations.
- Cladding in any material.