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Unique instance in Wales allows combining two semi-detached residences into a single dwelling without planning consent granted.

Council upholds homeowner's unification of two semi-detached houses without mandated planning approval

No need for building permits to combine two semi-detached houses into a single residence in a rare...
No need for building permits to combine two semi-detached houses into a single residence in a rare instance in Wales.

In the picturesque county of Monmouthshire, two semi-detached homes were recently joined together to create a larger family home. This project, like many similar ones, raises questions about planning permission and the necessary consents required.

Simon Rix, a planning consultant at Planix.UK, explains that while full planning permission from the local planning authority (LPA) is typically needed to join two semi-detached homes, there are exceptions. "Planning law does not specifically require permission to combine two houses into one," Rix clarifies.

However, it's crucial to address concerns like noise, disruption, and privacy to secure approval for such projects. The LPA assesses these proposals based on factors such as the impact on housing supply and local infrastructure.

In this particular case, the homeowner, Ken Hammond, applied for a lawful development certificate. This certificate allows for certain types of development to proceed without the need for formal planning permission, provided they meet specific criteria.

The work on joining the homes was done by creating an internal doorway. The conversion focused on internal changes only, with no external modifications or significant structural alterations. As a result, the changes qualified under permitted development rights because they were entirely internal.

It's essential to consult with a good planning consultant before starting such a project to avoid unnecessary costs and increase the chances of getting the necessary consents. Rix, a former local government officer and elected councillor, founded Planix.UK Planning Consultants Ltd, a company that advises self-builders, home extenders, and those taking on small to medium-sized building projects on planning permission.

However, it's important to note that properties that are listed buildings or situated in conservation areas require listed building consent in addition to planning permission. Also, reducing the overall number of housing units by combining two houses into one may be a concern for the LPA, especially in areas with high housing demand.

A 2001 court judgement clarified that planning permission is only necessary if the changes result in a "significant change in the character and impact of the use in planning terms". The changes made to the semi-detached homes in Monmouthshire did not significantly impact the building's character or surroundings, thus no formal planning permission was needed for the conversion.

Changes to driveways or access points, such as creating a new driveway or closing an existing one, may require separate permissions like a dropped kerb application. The planning approval process may include a consultation period during which neighbours and other interested parties may comment or object.

In conclusion, while joining two semi-detached homes may not always require full planning permission, it's essential to understand the specific rules and regulations that apply to your project. Consulting with a planning consultant can help ensure that you comply with all necessary requirements and increase the chances of a successful project.

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