Loft Conversions & Renovations

Often the best way to add extra living space and increase the value of your home is to build up – particularly if it meets the relevant development requirements.

We work with you to realise your ideal loft conversion, and thank to our experience with building regulations and completing many such projects, we are able to create something that improves your lifestyle in the long term with minimal disruption in the short term.

When we recommend a specific type of loft conversion we do so by taking into consideration your unique situation, including your property’s style, the height of the roof, the space available, local planning regulations, and, of course, your budget and wants.

Whether you choose a Dormer, Mansard or Velux loft conversion (or any of the other types we can build for you) you can rest assured that by choosing London Build & Design you will be adding value and beauty to your home.

Available Loft Conversions

There are four main types of loft conversions and London Build & Design will recommend the best option for your property based on:

  • Property style
  • Roof height
  • Available space
  • Conservation area
  • Local planning regulations
  • Your budget and needs.

Loft Conversion Types Explained…

A dormer loft conversion is an extension to the existing roof, which projects vertically from a sloping roof, creating additional floor space and headroom within the property. Internally, a dormer has vertical walls and a horizontal ceiling.
It is the most common type of loft conversion, as the flat roof dormers often add the maximum amount of additional space.

It is possible to create a gable front and a hipped roof dormer to make it look more attractive. However these types of dormers do not offer as much internal space and given their complexity cost more.

The l-shaped dormer loft conversion is also very popular. It is often considered the best way to extend a mid-terrace period property to maximize space as it can give around 40m3 of space or slightly more under planning.

The main advantage is that a dormer loft conversion can be constructed without gaining planning permission, although planning permission may be required depending on the specifications.

The main styles of dormer conversions include:

  • Flat-Roof Dormer – A Dormer Conversion with a flat roof
  • Gable-Fronted Dormer – Sometimes called ‘Doghouse’ Dormer
  • Hipped-Roof Dormer – A Dormer Conversion with a hipped roof
  • Shed Dormer – A Single Planed Roof that is pitched at a lesser angle than the main roof
A mansard loft conversion, is situated to the rear of the property.

This type of conversion has a flat roof, with the back wall sloping inwards at an angle of 72 degrees. Windows are usually housed within small dormers.

Due to the large changes to the roof shape and structure, these loft conversions in most cases do require planning permission.
London Build & Design specialises in l-shaped mansard loft conversions. These conversions open up the space more and add even more value to your property. The l-shaped mansard loft conversion is an excellent option, if you are converting the loft into an open-plan bedroom with en-suite.

This is similar to a normal mansard but also with a mansard to the front. Unfortunately, in most areas of London this is not possible due to planning restrictions.
Also known as rooflight loft conversions. Velux is the leading manufacturer of roof windows so hence the name.

With this type of project, the roofline is unaltered, as the velux windows are installed to fit flush against the roofline. This leaves the original roof structure untouched meaning that planning permission is not generally required.

The cost for this type of conversion is also generally lower, as there is no major structural work that needs to be carried out.

Most houses that are hip roofed in style generally have a reasonably small internal volume, so a hip-to-gable conversion is an excellent practical solution.

This type of conversion involves changing the sloping side of the property to a flat gable end. This increases the size of the loft space and often creates extra space for the staircase.

Planning permissions may well be required as the outline of the will be altered. We also specialize in l-shaped hip-to-gable loft conversions.

We build a loft over a full back addition the main part of the house and also over the back addition if available. This type of addition allows you to almost replicate the first floor of your home, in terms of space and design creating the possibility of three or four extra rooms. No other type of loft conversion gives you as much additional space.
This is a room built out usually over half of the back addition of your home. It gives a room approximately 3m *3.5m in size. This room is often built a few years after we have done the original conversion when past clients require additional space.

Pod rooms are a relatively new method of loft conversions in London and clients often need the space for a spare bedroom, a nursery, home office or even large luxury bathroom.

Roof terraces always require planning permission and are therefore dependent on the leniency of local planners for permission.

In our experience roof terraces appear more popular in areas with a large number of flats as space is a premium and gardens tend to be either small or dark, or both.

Call us today on 0208 851 0611 for a free consultation.

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