Cement / woodwool boards

novolit magnesite / woodwool board

There are various types of cement/wood wool board combinations with Heraklith (which uses a magnesite cement) being one of the better known makes in the UK. Although the cement component is a cause of embodied energythe total amount of energy it takes to make a material (or a building). [...]

The Tree House

The Tree House in Clapham, London is a recently completed and very elegant example of a self built detached house. It has, on occasion, been open to the public as part of the London Open House programme. Situated on a small urban plot of land dominated by a large sycamore tree it has [...]

Retrofit

‘Under the Sun’, a Victorian terrace house in Birmingham is an outstanding example of bringing a fairly typical old building up to PassivhausSee more on the Passivhaus standard. The PassivHaus Institute has pioneered a standard for low energy buildings. It includes very low energy usage and ways of achieving this. The word is derived [...]

Timber

January ’13

Advantages of timber

Constructing with FSCForest Stewardship Council (who accredit timber) timber (or another accreditation organisation such as PEFCProgramme for the Endorsement of Forest Certification. See their web site) is potentially one of the greenest ways of building for several reasons.

Timber itself captures and locks up CO² as it grows and keeps [...]

Windows

multiple glazing Types of sealed unit

As a minimum try to use sealed units with a spacing of 16 or 18mm. rather than 6mm. This is the optimum gap for heat insulation. However the frames need to have sufficient rebate for this. See window design. Use a filler of argon gas rather than air. [...]

Joinery / fixed furniture

sourcing timber

Sourcing sustainably produced timber and manufactured timber building products requires checking the following -

Was the timber sustainably grown? How far has it travelled? Does it contain chemicals such as adhesives or timber treatment?

The FSCForest Stewardship Council (who accredit timber) Woodmark or the PEFCProgramme for the Endorsement of Forest Certification. [...]

MDF

Part composted MDFMedium Density Fibreboard ready to be spread on farm land

stability, workability and low embodied energythe total amount of energy it takes to make a material (or a building). See more on embodied energy

Made from wood fibre which is heavily compressed (in spite of it being called Medium Density [...]

Solid timber

Brettstapel construction

Solid timber construction or Brettstapel is a method of using massive solid timber (usually) held together with hardwood pegs. Pioneered on the continent, it has a number of enthusiasts in Scotland. See also the Brettstapel web site

Log construction

Solid log construction has been a traditional method in parts of northern Europe, especially [...]

Bandodle house

October 2009

On the Hill of Bandodle, Aberdeenshire, stands a beautiful timber frame house designed by architect Genevieve Jones for her family. Incorporating high levels of insulation (in the form of 350mm of shoddy obtained from Elgin woolen mill) and mainly locally sourced materials, Larch, Douglas fir and Caithness slate, the house also has [...]

Hedgehog Co-op

Hedgehog Self Build Co-op, Hogs Edge, Brighton

august 2009

One of Brighton’s examples of community self build which started in the late 1990s, this development of ten timber frame houses is based on the Walter SegalThe architect who devised a simple timber frame self build system (often simply known as ‘Segal self build’. see more [...]

Andy’s house

October ’09

Locally grown timber

Situated in the Scottish Highlands, this nearly completed timber house is composed of three hexagonal areas plus a sun room which extends segmentally out of one of the hexagon sides. The framework is of local Douglas fir and the rain screenthis is a (usually thin) outer cladding on [...]

Allerton Park, Leeds

Walter Segal self build

This is made up of 3 adjoining houses which were built by three families, starting in 1993. They were constructed according to the Walter SegalThe architect who devised a simple timber frame self build system (often simply known as ‘Segal self build’. see more on the Segal method self build [...]

Walter Segal

a Segal self build house in Brighton

The Walter Segal self build approach to construction is uniquely organised so that anyone who can use basic tools such as a saw, hammer, drill/driver, tape measure, etc. can build a house. There are even one or two cases of single parent mothers, who have had only [...]

Findhorn Foundation

October 2009

The Findhorn FoundationThe Findhorn Foundation is a large community near Inverness. There is a strong emphasis on sustainable building and living. near Fores in the North East of Scotland has a couple of interesting areas of eco-housing and a whole approach to living lightly on the earth including 750kW of electrical energy from [...]

Burning Timber

How clean is wood burning?

Arguably one of the greenest methods for heating a rural house in the UK (including domestic hot water) is a combination of solar thermal collectors (for summer) and wood pellet or chip (for winter). Logs come a close second if they are dry and burn cleanly. They are also [...]