Extensions & Loft Conversions.



Many extensions may be simply specified according to the standard requirements of the Building Regulations, but in most cases the requirements of the site or the occupants demand bespoke designs to meet their needs.

This type of project may be our "bread and butter", but in each case we take great care to attend to the necessary details.

issues that commonly arise:


These need to be designed to take into account existing structures, nearby trees, drains, site boundaries and changes in ground conditions.

Party Wall Engineering

Excavation and construction near to site boundaries come into the scope of the Party Wall Act. Please refer to our section on Party Walls.

Roof Structures

The constraints of the site or maybe aesthetic reasons may require a special roof structure to be designed, especially at the junction with the original building. Roof windows, hips and valleys, vaulted ceilings – all must be considered. 

Open Plan Living

Large openings or the removal of internal walls reduce the inherent stability of a building, and in many cases extensive hidden structures are needed. Careful thought must be applied at the earliest stages of the project in order to realise the aspirations of the design at an affordable cost.

loft conversions

Some things to know about loft conversions

Loft conversions are increasingly popular as a means of maximizing the habitable space in your home. The Building Regulations ensure that the creaky old conversions of the past are no longer satisfactory.

The design of loft conversions is a speciality of ours, and these will achieve the same standards of strength and serviceability as any other part of the house.

In structural terms, there are two main methods of supporting the loft conversion:-

  1. the new floor joists may also support the roof via stud walls, and bear on the external and internal supporting walls, or
  2. steel beams are used to suspend the new floor joists and also support the roof.

Dormers can provide additional space or headroom, but these can enhance or disfigure the appearance of the building. Large dormers often require the introduction of a steel ridge beam to support the upper part of the roof. A change to the roof outline may require Planning Permission.

The need to remove the internal bracing in the roof structure usually requires the capacity of the rafters to be checked, and the roof structure should never be modified without expert advice. Features such as hips and valleys, chimneys and Party Walls will need to be addressed, and the geometry of the staircase is usually a critical item for the architect to consider.

Each loft conversion is unique, and even similar houses may have differing designs to suit the owners' requirements. Our designs are tailored to each situation, taking into account the original structure and optimising economy and ease of construction.

anatomy of a loft conversion