Self build

Planning permission: How to make a successful application

Gaining planning consent for your new home is a critical part of the self build process. Here's how you can make a successful submission and take one step closer to bringing your dream home to life

Do I need planning permission for my self build?

Most building works – including self builds, renovations and sizeable extensions – require planning permission. Minor external changes to a property and internal alterations will be exempt, and numerous projects, including some extensions, loft conversions and outbuildings, can be carried out under what’s known as Permitted Development (PD). Therefore, you can safely assume that you’ll need to obtain full planning approval to create your dream home from scratch.

If you've already found the perfect plot, the first thing to consider is whether the principle to build a new dwelling on this site has already been founded. “If you’re going down the route of buying a plot that already has outline planning permission to develop a new house, the principle to build has been established,” says Carl Huntley, managing director of Base Architecture + Design. “The key thing to do then is to get hold of the planning application documentation and the approval so you can understand what the conditions surrounding the build are.”

For would-be self builders considering a plot without outline planning consent already attached, the process is more complex. “An in-principle application will need to be put forward on that piece of land, and there will be quite a few issues that bubble up. Ecology, drainage, highways and the notion of building itself will all need to be addressed,” says Carl.

If you fall into the latter camp, examining the council’s Local Plan is often a good place to start. “Look to see if the Local Authority has a design guide, as these can often give prescribed minimum separation distances to consider, which will ensure the plot is sufficient in size,” says Arron Breedon, planning director at Clear Architects. “It’s also worth checking the nationally described space standard for internal dimensions requirements and Local Plan policies for minimum external space standards.”

Other factors to consider will be restrictions regarding privacy, and whether your plot is situated within a designated zone such as the Green Belt or a Conservation Area – but more on this later.

Outline and detailed planning permission

As a first step, it’s useful to understand the difference between outline and detailed planning consent. Outline consent is simply a declaration that establishes the principle of what can be built on the site, covering basic elements such as the layout of the property and its scale. However, detailed planning permission (also known as planning approval) is required to actually build the house. This covers aspects such as the design of the dwelling, materials, layout, access, parking and drainage setup.

When it comes to carrying out site surveys and creating the drawings that will support your application, you’ll need to bring in an architect or professional designer to co-ordinate the process for you. Need help managing your project? Check out the full guide.

Many self builders choose to hand the planning application over to their chosen professional entirely, as he or she will be better-placed to understand the intricacies of local planning policy and present a well-considered application based on that. You can find a RIBA-chartered architect in your area here.

Applying for planning permission: consult an architect or designerEnlist an architect or designer to create documents for your application. Image: Akira Kaelyn / Shutterstock

“You need a topographical survey to show the extent of the site and the levels that sit on the land so drainage can be calculated,” says Carl. A Flood Risk Assessment, Transport and Accessibility Justification and acoustic surveys may also be required.

“If there are trees on site, whether they have a Tree Preservation Order on them or are within close proximity to the project, an Arboricultural Report may be necessary,” says Jen Morrison, an architect at DMW Architects. “Biodiversity and ecology may also be important, depending on the site. A phase 1 biodiversity survey will be required, undertaken by an ecologist, to assess the plot for protected species. Further assessments may be required if any protected species, such as bats, badgers, newts etc are detected.”

Your architect should be able to act as lead consultant to coordinate all the necessary professionals to carry out the surveys. In order to put together the application for you, his or her fees will vary depending on the complexity of the site, the brief and the design the client wants to achieve. “For a normal four or five-bedroom home, the drawings for a detailed planning application could cost anywhere between £2,000 and £4,000, depending on the level of design the client is looking for,” says Carl.

How to make a planning application

Your planning submission can be made to your local district, borough or city council. The simplest way to submit the application is online, via the government’s Planning Portal.

You’ll need to fill out a form with all the required information about your project, supply drawings and any additional reports associated with your application. You can browse the list of neccessary documents here.

A fee is also required to make a planning application, which varies depending on where you are in the UK. In England, the cost to submit a planning application for a new dwelling currently stands at £462 – a guide to the fee structure can be accessed here

Planning restrictions for self build homes

There’s a myriad of restrictions to be aware of if you’re building a new home, perhaps most notably those relating to protected areas such as the Green Belt, Conservation Areas (CA) or Areas of Outstanding Natural Beauty (AONB). Close proximity to listed buildings may also influence the scope of what you’re able to achieve.

“If you’re building in a CA, good design and materials are everything,” says Arron. “The right architecture practice with planning expertise will bring forward a model that relates to its surroundings without necessarily copying.” According to Arron, imitating the surrounding architecture is not always the best way forward. “This strategy only maintains a CA, while good quality design that relates to its surroundings can enhance the zone and is popular with planners."

Building in a Green Belt area is potentially more problematic, as you’ll have to prove that you’re not causing harm to the protected zone. Each designated area will have its own set of policies attached to it, which you’ll need to reference in your planning application. However, if your proposal will not benefit the protected land then the local authority will be obliged to refuse your application.

Nearby listed properties are another factor to be aware of when making your planning application. “Building within the curtilage of a listed dwelling will also require listed building consent, an application that runs alongside your planning application,” says Jen. “Sometimes the support of a heritage consultant can be invaluable here, especially when dealing with tricky conservation officers.”

Applying for planning permission in a conservation areaCastlefield is an inner city conservation area in Manchester. Image: Ugis Riba / Shutterstock

Getting pre-application advice from your local council

Seeking pre-application (or pre-app) advice is a good way to test the waters with your local planning department before submitting a formal application. One of the key benefits of the pre-app process is that it is private – so anyone can do a pre-app before they commit to buying a piece of land or property without the existing landowner knowing.

Individual councils will determine the level of detail that you’re required to submit for pre-app advice, plus set the cost of the consultation and how long it takes to get feedback.

For smaller projects such as extensions and alterations to existing homes, you can sometimes book free pre-application consultations, however, for larger projects (including self builds) a fee is usually involved. This varies from council to council but is usually in the region of £50-£200 for a meeting and follow-up letter. However, in complex cases, this can amount to more than the £462 that is paid for the formal planning application itself.

While obtaining pre-app advice is not essential, it can be extremely helpful in putting together a design that is more favourably received by the local authority. “If you’re about to spend your life savings on a dream home, it’s vital to get it right. The cost of putting together a planning application can appear high to some, but this money is well spent as it will inform the quality of the proposal,” says Arron from Clear Architects.

Essentially, the process involves submitting details of your proposed scheme to the local council. They will then be able to provide feedback that highlights any possible areas of concern. “Officers often see the pre-application as a proactive step, and take it into account during the planning process,” says Jen. “But remember it is informal. Even if the planning officer is initially supportive during pre-app, there may be other issues and concerns raised later on that could throw a spanner in the works.”

The Party Wall Act and winning over the neighbours

Getting your neighbours on side can be a key part of the planning process. “Most objections come forward when people aren’t aware of what is being proposed,” says Arron. Therefore, it pays dividends to keep your neighbours informed from the start as to what you’re planning. Keep the lines of communication open and be clear about the scope of your project, as well as the impact it may have on them.

“Be approachable and make time to answer any questions they may have in order to avoid conflict. Often it’s the little things that make a big difference, such as contractors’ vans being parked inconsiderately or starting work on site too early – especially at the weekend!” says Arron.

Maintaining a good relationship with your neighbours is particularly important in cases where shared boundaries are involved. Depending on your scheme, you may need to bring in a Party Wall Surveyor. “The Party Wall Act is there to protect both you and your neighbour(s),” says Jen. “Therefore, having the relevant professional involved is essential when there are shared boundaries, and the neighbour is concerned any proposals will physically affect their property."

How to deal with planning rejections

Planning decisions should be made in accordance with local development policy, however, if your proposal is rejected by the local authority, they must provide reasons why.

“Hopefully, you’ll avoid this situation if your architect is making regular check-ins with the planner to direct the application as best as possible,” says Arron. “It’s imperative to highlight how the proposal complies with the council’s policies and standards from the start, as this greatly enhances the chances of success at the application stage.”

You or your architect can discuss the details of the refusal with the relevant planning officer to ascertain whether there’s any other route forward, or if a fresh design approach will be required.

If there are sufficient grounds, you may be able to appeal the decision. In this instance, the case will be taken out of the local authority’s hands and handed over to an independent government inspector. “This strategy is worth considering,” says Arron. “It’ll take a little longer to obtain a final decision but can help circumnavigate a council that’s not on the same page.”

If you end up making a fresh application, bringing in a specialist planning consultant could be a wise move. They will be able to address some of the policy issues and demonstrate accordance in any subsequent submissions. “Remember, the next application will be free if it’s within 12 months of the previous refusal,” says Jen.

Planning law is a vast and intricate subject, and it’s worth bearing in mind that local development policy varies significantly from area to area. However, getting a firm grip on the basics from the outset of your project should enable you to navigate the process effectively, bringing experts on board to help out where needed.

READ MORE: How to build your own house: A self build beginner's guide

Featured image: LittleRedDragon / Shutterstock

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