Semi-Detached House Extension

Semi-detached homes, which are houses with only one neighboring home attached, can have any type of enlargement made to them. Depending on the demands of your family, they come in a variety of designs and can do a variety of tasks.

Extensions for semi-detached homes can be created to serve as a kitchen, an additional bathroom or bedroom, a playroom, a living room, or a utility room.

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  • Increase property value
  • Provide a unique charm to your property
  • More floor space to enjoy 
  • No need to relocate to a new house
  • Boost the environment to live in.

Design choice and tips

Really, there are no restrictions on architectural concepts while extending a semi-detached home. You can choose from any of the designs below, depending on your family’s requirements, your own preferences, and the amount of space you have available.

Single-story rear extension option

Your semi-detached home’s ground floor has a small strip of land running alongside it that can be used for side return additions. Even though the area appears little, extending onto this piece of land can significantly improve your internal arrangement. leaving you with a room that is lighter and larger.

If you want to make the most of the space at the back of your semi-detached home, single-story rear additions are ideal. They typically extend 3 or 6 meters past the back of your existing property and are the same width as it.

Two-story rear extension option

Consider a two-story extension, or addition with an additional floor, if you’re trying to add a significant quantity of space while maximizing the available ground space. They work well for enlarging the kitchen downstairs and adding a second bedroom upstairs.

Some other options

Adding an entrance porch to your semi-detached home will frame your property, give it a sense of depth, and offer some shelter from the elements, whether you choose a straightforward timber structure or a more ornate design.

Your semi-detached home’s loft can be converted into a bedroom, office, or study by adding a loft addition. Dormer, hip-to-gable, and mansard loft conversions are the three main forms. However, you should undoubtedly think about a roof light loft conversion if you have a limited budget or would like not to make any structural adjustments to your roof.

Don’t forget about other options like side extension, and garage conversion, and adding an outbuilding/annex to your rear garden!

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Rules for semi-detached house extension

They are a few steps to need to follow:

  • Choosing a planning approach
  • highlighting the limitations of the policy
  • selecting the best extension design
  • Having relevant parties consult
  • submitting your application and keeping an eye on it

Although obtaining planning approval for expansions to a semi-detached house can greatly enhance the house and increase its value, the application process itself can be challenging, especially without the right support.

Permitted development rights allow for a 3m back extension on your semi-detached home. However, you can travel as far back as 6m with prior authorization. Please take note that flats, maisonettes, listed properties, and dwellings situated in conservation areas are not subject to approved development.

What is the price of a semi-detached house extension?

Your home’s location, the materials you choose, the level of finishing you choose, and the extension’s intended function all affect how much it will cost.

However, a semi-detached back expansion will run you anything from £1,250 to £3,250 per m2, with London properties tending to be on the higher end of the scale.

Contact us today for a free consultation.

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