Lammas eco village

summer 2011

The Lammas project at Tir y Gafel, Glandwr, Pembrokeshire, is Wales’ first collective initiative based on what is now the (TAN)6 national planning guidance for sustainable rural communities. (One Planet Development).

Planning permission has been granted for nine houses (four of them in a terrace and the others as individual plots), with [...]

Larch and Lime passivhauses

Although not self built, the two passivhauses at Ebbw Vale may be very relevant to many self builders. Built in 2010 as show houses mainly for the attention of housing associations, they are attractive and innovative while being relatively modest. The 3 bed Larch House is clad with a locally sourced larch rain screen and [...]

Van Midden House

The Van Midden house is at the Lembas Organics farm at the Bridge of Muchalls, Stonehaven. It is a very low energy house due to high levels of insulation and the use of timber I beams to reduce thermal bridging. The external rain screen is Sitka spruce with an organic paint finish.

The central [...]

Tressour Wood

This timber post and beam house in Aberfeldy pioneered “breathing construction” in the UK.

Designed by Gaia Architects and built in 1992 this well insulated passive solar house also has a wood burning stove and stack effect cooling for summer. The building materials used were chosen for being non-toxic and natural.

See more on [...]

Rowangarth

October '09

Jim and Jo Monahan are nearing completion of their passive solar house in Spinningdale, Sutherland. This is a timber frame house which utilizes roundwood for many of the structural members. This is a way of using timber at its maximum strength because it is not cut across the grain. The timber framing [...]

Kirk Park

Aberfeldy, October 2009

This is a timber frame house of  76 sq,m. built in 2001. In terms of heating it benefits from its double storey living area facing south and the limited amount of glazing to the north. There is 200mm cellulose insulation in the roof, 150mm in the floor and 145mm in the [...]

Kashentroch, Banchory

October ’09

Home of Alexander and Vinny Burnett, Kashentroch is an elegant and spacious open plan timber frame house in a beautiful setting close to the Dee. The original part of the house (with the pitched roof on the right of the picture), built about 5 years ago, has recently had an addition of [...]

Houses by Ecos

ECOS, (formerly known as the Somerset Trust for Sustainable Development) is a charity which has been behind several green house building initiatives. Although not self-build, their houses are excellent examples of what is possible and are open to viewing on certain occasions. At present there are two schemes which are complete or nearing completion and [...]

Timber

September ’11 

   

Constructing with FSC timber (or another accreditation organisation such as PEFC) is potentially one of the greenest ways of building for several reasons.more +/-»

However, the UK seems to have a rather backward, or at least over-cautious attitude towards timber construction and this is outlined below.

Grading timber

There are [...]

Internal linings

this clay plaster wall at the Denby Dale passivhaus was applied in 4 coats. It has hemp reinforcement

wall and ceiling linings

There have been several fairly recent developments in dry lining boards for internal walls.

Traditional plasterboard is being challenged by other variations of gypsum based boards and also by clay based [...]

Stairs

Parana pine – photo by Eurico Zimbres

In terms of embodied energy the use of timber in staircases is far better than metal. However the timber should be sustainably sourced and be FSC woodmarked. One of the traditionally favourite timbers for the manufacture of closed riser staircases has been parana pine (Araucaria angustifolia) from [...]

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 FSC Woodmark or the PEFC stamp are the most reliable means to know that the timber [...]

Designing with timber

timber house in the Field of Dreams, Findhorn Foundation

See some of the wealth of interesting UK timber designs here.

Advantages and drawbacks

Timber can provide some of the greenest solutions to house building for several reasons

timber is inherently low in embodied energy. This is especially true if the timber can be [...]

Allan’s log house

October ’09

Building with solid timber

Allan is building a log house high on a hill near Evanton, north of Inverness. The locally sourced Scots Pine logs are scribed and cut to fit snugly together and are notched so that they interlock at the corners. The logs in the house weigh about 80 tonnes.

[...]

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 screen of wany edged larch, also locally grown. Much [...]