Mansard conversions are the creme de la creme of loft conversions. They are also the most expensive but in my opinion if you live in a decent area they are worth the additional expense.
For those of you that are still unsure of what a mansard loft conversion looks like I suggest you study the 2 photos on this page and observe how the roof extension goes full width and how the party wall brickwork has been built up on both sides to allow you access to the most space you can possibly have.
As you can see you can have several combinations of windows, doors and balconies which are usually determined by the internal layout and the face of the loft conversion is usually finished off in slate or tiles to match the existing.
On the down side you will need party wall agreements in place with both of the neighbouring properties and you will also most likely need loft conversion planning permission all of which pushes the overall cost up a few more thousand.
Where possible ensure that windows and doors are in character and ideally use uPVC as these areas are hard to do maintenance such as repainting on without scaffolding. This location is also more exposed to the harshness of the weather so good quality work is essential to keep the elements out.
DO I NEED PLANNING PERMISSION FOR A LOFT CONVERSION?
The good news is that planning permission is not normally required for loft conversions. However, permission is required where you extend or alter the roof space and it exceeds specified limits and conditions.
Under new regulations that came into effect from 1 October 2008 a loft conversion for your house is considered to be permitted development, not requiring an application for planning permission, subject to the following limits and conditions:
- A volume allowance of 40 cubic metres additional roof space for terraced houses*;
- A volume allowance of 50 cubic metres additional roof space for detached and semi-detached houses*;
- No extension beyond the plane of the existing roof slope of the principal elevation that fronts the highway;
- No extension to be higher than the highest part of the roof;
- Materials to be similar in appearance to the existing house;
- No verandas, balconies or raised platforms;
- Side-facing windows to be obscure-glazed; any opening to be 1.7m above the floor;
- Roof extensions not to be permitted development in designated areas**;
- Roof extensions, apart from hip to gable ones, to be set back, as far as practicable, at least 20cm from the eaves.
DO I NEED BUILDING APPROVAL FOR A LOFT CONVERSION?
The Building Regulations are made under powers provided in the Building Act 1984, and apply in England and Wales. The current edition of the regulations is ‘The Building Regulations 2000’ (as amended) and the majority of building projects are required to comply with them.
They exist to ensure the health and safety of people in and around all types of buildings (i.e. domestic, commercial and industrial). They also provide for energy conservation, and access to and use of buildings.
The Building Regulations contain various sections dealing with definitions, procedures, and what is expected in terms of the technical performance of building work. For example, they:
- Define what types of building, plumbing, and heating projects amount to ‘Building Work’ and make these subject to control under the Building Regulations;
- Specify what types of buildings are exempt from control under the Building Regulations (Annex A gives examples of the more common types of building which are exempt);
- Set out the notification procedures to follow when starting, carrying out, and completing building work; and
- Set out the ‘requirements’ with which the individual aspects
of building design and construction must comply in the
interests of the health and safety of building users, of energy
conservation, and of access to and use of buildings.
Tags: mansard loft conversion, loft conversion, loft conversion ideas
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