How to get Planning Permission for an Extension
- Policies. If your scheme doesn’t fit under Permitted Development then you’ll need to submit a full planning application.
- Key considerations. Planning policies often require extensions to blend with the character of the existing house and not dominate or overwhelm it.
- Planning tips
Full Answer
Do I need planning permission to build an extension to my house?
You’ll probably need planning permission if you want to: make a major change to your building, such as building an extension change the use of your building To find out if your project will need planning permission, contact your local planning authority ( LPA) through your local council.
How do I apply for planning permission?
You can apply online for planning permission through the Planning Portal or by contacting your local planning authority through your local council. (Image credit: getty images) What are the Different Types of Planning Permission? There are several types of planning permission available, each best suited to certain projects and builds:
Do I need planning permission to build on my land?
If your project involves the creation of a new dwelling (by either building from scratch or subdividing an existing home), then planning permission is normally required. Larger outbuildings or extensions, or builds/improvements in designated areas or involving listed buildings, are also likely to require planning permission.
What does it mean to get planning permission for a plot?
Planning permission is also often the key that turns a piece of agricultural land into a viable building plot. Decisions on whether to grant planning permission are made in line with national guidance (in the form of the National Planning Policy Framework) and the local planning policies set out by the local authority.
What size extension can you have without planning permission?
The recent relaxation of permitted developments means that homeowners are now able to add extensions without needing planning permissions. You can add a home extension or conservatory up to six metres, or eight metres if your home is detached, without needing to apply for planning permission.
How far can you extend without planning permission UK 2022?
Detached House Extension Rules 2022 Under permitted development for a detached house, you can extend up to 4m under permitted development, and up to 8m under the larger home extensions scheme / prior approval.
What permission is needed for an extension?
If it is nearer to the public highway, you would require planning permission for an extension. No extension can be higher than the highest part of the roof. If it would be taller than the roof, you would require planning permission for the extension.
How much is planning permission for an extension UK?
£206What costs are involved in planning permission for extensions? In general, a householder application is needed for extensions in the UK, which cost £206. If permission for your extension project is granted subject to conditions then a follow-up request for a householder application will cost £34.
Do you have to notify Neighbours permission for extension?
If you are making a larger householder extension application, you are required to notify your neighbours and will need to confirm you have done so on the application. For other applications, we recommend you discuss even the simplest household proposals with your neighbours.
How close to my boundary can my Neighbour build an extension?
As a rule of thumb, a build that reaches 7.2 feet is considered acceptable and anything over that we do recommend speaking to your neighbour.
How much does an extension cost UK 2021?
In short, most extension projects cost around £1,350-£2,250/m² of new internal space. So a 30m² kitchen extension could be estimated at somewhere between £40,500-£67,500, plus, VAT at 20%. If that sounds suitably general — that's because it is.
Do I need an architect for an extension?
If you're looking for a cutting-edge contemporary extension that pushes the boundaries of eco-design and exploits the latest materials and thinking, then you should probably go straight to an architect. You still need to shop around though, because not all will specialise in the kind of extension you want.
Can I build an extension without planning?
Do you need planning permission for an extension? (Updated for 2022) The short answer is that you DON'T need planning permission for an extension if you build within your permitted development rights.
How much does it cost for architect to draw up plans UK?
On average, a traditional practice will charge between 5% - 10%. For example, let's say you're building a classic rear extension in London and it's expected your project will cost around £75,000 overall. If you're using a traditional practice, you'll need to budget between £3750 and £7500 for your architect.
What is the average cost of a 2 story extension?
The current average cost of a double storey extension varies with the location across the UK, going from £2,000 to £2,500 per sqm, excluding finishes. In London the average cost excluding finishes is higher, with figures ranging from between £3,000 and £3,500 per square metre for the building cost.
How much does a 2 storey extension cost UK?
On average, a 40 square metre two-storey extension can cost anywhere from £48,000 to £76,000 if you're working on a budget or between £80,000 and £88,000 if your budget is more flexible.
Can you build a 2 story extension without planning permission?
Two storey extensions do not require planning permission, if they fall within permitted development guidelines described below.
How far can I extend my semi-detached house?
How much can you extend a semi-detached house? You can extend your semi-detached house by 3m from the rear according to permitted development rights.
What is the 45 degree rule?
THE 45 DEGREE-CODE (Non-Terraced Property) To comply with the 45 degree code, First Floor extensions shall be designed so as not to cross the 45 degree line from an adjoining neighbour's nearest window which lights a habitable room or kitchen. The reference FIRST FLOOR EXTENSIONS.
How much can I extend my house UK?
The permitted development rules now allow you to build an extension without planning permission of up to eight metres if your house is detached – attached properties (semi or terraced) can have a single-storey extension of up to 6 metres, while detached properties can have a single-storey extension of up to 8 metres ...
How to maximise the size of an extension?
Another tactic to maximise the size of your extension is to get permission for something you think the council will be happy with, and then apply to enlarge it. This way you’re arguing from a position of strength, as it can be difficult for a council to demonstrate in what way an additional 300mm or 600mm on the width or length of your new extension is so harmful that permission should be refused.
How long can a PD extension be?
For instance, in England, PD rights can allow up to an 8m long single-storey rear extension on detached and 6m on attached houses. To build under these conditions you still need to notify the local council, who will then consult your neighbours and look into the impact of your proposal if they end up objecting.
How long can you live in a house after completing an extension?
However, if you’re going to live in the property for three years after completing the extension then you can claim for an exemption, as is the case with self build projects.
What is the best way to find out what policies apply to a project?
If you’re in doubt about which policies apply to your project, it always worth contacting your local planning department.The exact wording in these documents varies greatly from council to council, although there are common planning considerations that apply to all extensions.
What to do if your scheme doesn't fit under Permitted Development?
If your scheme doesn’t fit under Permitted Development then you’ll need to submit a full planning application. Your local council will have a number of policies in place to manage development in the region, which will govern their decision about whether to approve your extension.
Can a scheme be permitted development?
This is a bit like a planning application, but the authority can only answer saying ‘ yes, it is permitted development’ or ‘ no, it isn’t’.
Is a wraparound extension a PD?
The wraparound extension and loft conversion were achievable under PD rights without a formal planning application. Click the images to read the full story
How far should a double story extension be from the rear boundary?
The double-story extension should be 7 meters far from the rear boundary, but if it falls below 7 meters, then you will need planning permission for the extension.
How many meters can you extend a house?
Extension of more than one storey must not enlarge beyond the rear wall of the existing or original house by more than 3 meters. Any extension over 3 meters would permit. The highest roof and edge length of your expansion must be no higher than the current house.
Can you extend a roof?
No extension can be over the ultimate part of the roof. And if it were taller than the ceiling, then you would need planning permission for the extension. No extension can work under the rules of the permitted development if the extension, when finished, is closer to the public highway either by method for front elevation or side. ...
Can a single storey rear extension be higher than the roof?
No extension can be higher than the most elevated piece of the rooftop. If it were taller than the roof, you would need planning permission for the extension. Single-storey rear extensions must not enlarge beyond the back wall of the existing or original house by over 3 meters (if a semi-disconnected home) or by 4 meters (if a detached house). ...
When Will I Need Planning Permission for an Extension?
Reasons an extension might not be possible under Permitted Development include (but aren't limited to):
What is Planning Permission?
Planning permission refers to consent from your local authority for a proposed building, which is in place to deter inappropriate developments. It's usually required when building a new dwelling or making extensive changes to an existing one.
What are the Different Types of Planning Permission?
There are several types of planning permission available, each best suited to certain projects and builds:
How Much Does a Planning Permission Application Cost?
Making a planning application is a risky business and it’s not cheap, and it becomes riskier the less you’re prepared to spend. This is because accurate survey drawings and correct technical information don’t come cheap, but they are a prerequisite to both getting permission and being able to build what you get permission for.
How Do I Know if I Need Planning Permission?
Asking yourself ' Do I Need Planning Permission? ' If your project involves the creation of a new dwelling (either a self build or subdividing an existing home), then planning permission is normally required.
What Can I Build Without Planning Permission?
Always check with your local authority before starting a project without planning permission, and seek a Lawful Development Certificate as proof that the development was legal at the time of building.
What Planning Application Drawings do I Need to Supply?
Your Local Planning Authority may not accept planning drawings unless they meet certain requirements, including containing enough details of the proposal and the site, and being at a recognisable metric scale.
How to apply for planning permission?
You apply for planning permission by filling in a planning application form and submitting it together with required documents to your local authority.
What are the different types of planning permission?
There are 3 types of planning permission: permission, outline permission and permission consequent on outline permission. The most common type is permission, sometimes called full permission. However, if you want to see if the planning authority agrees in principle to you building a house on a particular site or building a large extension, ...
How to give public notice of planning application?
This must be done by placing a notice in a locally circulating newspaper (your local authority will have a list) and putting up a site notice that can be clearly read. You will find details of information that must be contained in the notices in the planning application form.
How long does an outline permit last?
Generally, outline permissions have a 3-year duration. It is an offence to carry out any work that requires planning permission, without planning permission, and the offence can carry very heavy fines and imprisonment. However, if a genuine mistake has been made, it is possible to apply for planning permission to retain an unauthorised development.
How long does a site notice have to be in place?
The site notice must remain in place for at least 5 weeks from the date of receipt of the planning application. (Please note, nine days over Christmas, from 24 December to 1 January, are not taken into account when calculating the 5-week period).
How long does it take to get a planning application?
Generally, the local planning authority must make a decision on a planning application within 8 weeks of receiving the application, but if the local authority needs more information, or the decision is appealed, it may take much longer.
Can you start building before you get permission?
You must not start building before you receive the grant of permission.
