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What is an L-shaped dormer loft conversion?

  • Posted by: Sebastian Grayson
loft conversion

If you’re looking to create space in your home, transforming your unused loft into new usable rooms could be the perfect option for you. But with so many choices of shapes and designs, it can be tough to know which conversion offers you the most significant living area. 

This is where the L-shaped loft conversion comes in.

What is an L-Shaped Dormer Loft Conversion?

An L-shaped dormer loft conversion involves installing and joining two dormers (roof windows that extend vertically from the slope of a roof) together, creating a more substantial amount of above-head-height usable space of any conversion. 

The shape also allows you to retain a similar layout to your first floor, keeping a closely matched shape to your existing structure, by merely adding height. And, because they open up a large portion of your L-shaped roof, they also make the most of your large attic, offering you a whole range of configurations and room choices.

Can my property have an L-shaped dormer loft conversion?

Due to the size of the conversion, and the reliance of a rear extension for the L-shaped floor plan, these types of conversions are only suited to a selection of properties.

In the UK, Victorian, end-of-terrace, and semi-detached Georgian houses are usually the best property types for an L-shaped conversion, as the original designs often include an addition to the rear of the house.

Four reasons you should consider an L-shaped conversion

1. Head height

L-shaped conversions are unquestionably the go-to choice when it comes to creating the most space with above-head-height area.

2. Usable square footage

Thanks to their L-shaped design and extended dormer windows, L-shaped conversions also offer the most usable space of any conversion type, which means more design choices for you.

3. Multiple rooms

Thanks to the increased living space, you’re able to create multiple new rooms in your loft, including offices and playrooms, or a bedroom with a spacious en-suite and dressing room. You’ll find more in-loft bathroom ideas here.

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4. Juliet balconies

Juliet balconies are becoming more popular throughout the country due to their often lack-of-need for planning permission, and the considerable increase of light they can provide. And with the ability to open up doors, it transforms your enclosed loft into an enclosed balcony. 

Do I need planning permission for an L-shaped dormer loft conversion?

The good news is that the majority of L-shaped dormer loft conversions won’t require planning permission. This is because they normally fall within the 40/50 cubic metres allowed under UK Permitted Development rules.

But remember, planning policies vary across the country, so it’s crucial that you check the rules in your area with your local planning office before you begin construction. If you’re not sure how to find out, we’ll be more than happy to assist you, and even help you apply for permission if it’s required.

If your property is located in a conservation area, you may be unable to install an L-shaped loft conversion. If that’s the case, we’ll advise you of the best options for your loft conversion. 

You can find out more about planning permission requirements for loft conversions in our recent article here.

How long does an L-Shaped Dormer Loft Conversion take?

Like any construction project, the timeline for a loft conversion is based around the complexity of the build, and the number of pre-construction steps like planning and approval. We use a collection of trusted, highly skilled tradespeople to ensure each job is finished to the highest standards and in the most efficient time possible. 

With L-shaped conversions, due to their multi-room layouts, the process could take anywhere between 6 to 12 weeks, depending on a number of factors, including things like plumbing. If you’d like a breakdown of each construction phase and how that fits into the timeline, check out our blog on How long does a loft conversion take? 

What about other types of dormers?

If you’re unsure if an L-shape dormer is for you, or if you’re unable to install one on your home, there are a range of other loft conversion options, including those with dormers. For everything you need to know about dormers, especially in the London area, take a look at this article.

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Whatever stage of the conversion process you’re at, we’re here to help. We’ll offer free advice and a complimentary first visit, so you can meet us and discuss your project without spending a penny. Give us a call today, and together we’ll turn your plans into reality.

If you’re ready to sit back and enjoy a Simply Easy Refurb on your home, contact us today.

Author: Sebastian Grayson