As noted in Brentham News 183 (June 2015), the Brentham Society has set up a working group, to look at the question of whether double glazing could be installed in Brentham houses without compromising the character of the Conservation Area.

The Brentham Society recognises that there are strongly held views among some of its members in favour of and against the new Slimlite units, which to some residents appear to bring the benefits of modern technology without damaging the Brentham environment. The working group has been set up to examine this new technology, to collect reliable data about thermal efficiency, impact on the environment, likely lifetime and to compare this with the secondary glazing alternative. It is hoped that this will enable residents to make informed choices about glazing. 

The working group will also see how other conservation areas are using these new units, and consider whether they might be introduced at Brentham, perhaps in certain areas of the estate, for example. These recommendations will be considered by the Society and if appropriate, discussed with the Conservation Officer. If she agrees, then they will be used to update the Policy and Design Guide.

It is hoped that by providing reliable date and clear advice for residents, it will allow informed discussions for renewal of glazing for their houses, and reduce the need for wasted planning applications and appeals.

The working group is now in place and has had initial discussions. We will continue to keep residents up to date through the web site and in Brentham News, and hope to have some clear proposals in due course.