Energy Efficient Building Plans

Timbertecs Eco-Design Homes

As highly experienced designers of eco home and other energy efficient buildings, we have over ten years commercial experience as designers of ‘green’ sustainable eco houses and other sustainable structures.

Energy Saving Trust

To help you understand the environmental footprint of your project and some of the other things that now have to be taken into consideration in designing your new building – whether it be a new home, a development of houses, or any other structure – visit the Energy Saving Trust’s website.

This non-profit making organisation’s site is designed to help everyone save energy in their homes, to help you fight climate change, reduce carbon dioxide (CO2) emissions from your house, and save money into the bargain.
Whether you have solar house plans in mind, or are thinking about Passive House plans, you will discover how to calculate your carbon footprint (frightening!), understand Smart Meters, and make big cuts in your energy bills.

German PassiveHaus Standards

Cosy Energy Efficient Eco-Home

The German term 'PassivHaus' (Passive House) is a specific standard of residential building construction that provides excellent conditions of comfort in summer and winter.

Passivhaus principles (see Wikipedia Passive House) can also be applied to public, industrial and commercal structures.

Since climatic conditions in the UK are very different from those in Germany, and indeed they vary considerably around Britain, there is now a Scottish Passive House Centre and BRE (the former Building Research establishment) has a useful website

PassivHausUK covering its latest research.

Building to PassivHaus standards

The overall objective is to:-

  • Deliver world leading energy efficiency in construction 
  • Use a step by step method of designing and building a house 
  • Deliver very low running costs by using whole house ventilation and efficient components 
  • Are sustainable, comfortable and extremely healthy homes to live in

Typically a PassivHaus plan achieves energy savings of around 90% compared with existing homes.

House Design & Climate Change

While individually financially beneficial to home occupiers over the long term, the aim of the EU and National Government Legislation is to reduce the output of ‘Greenhouse Gases’ so as to lessen humankind’s impact on Climate Change.  Since one of the major gases involved is carbon dioxide, which is a by-product of producing energy for heating, lighting, transport and so on, the objective is to design and plan buildings which will use less energy over their whole lifecycle.  

Eco-House Materials

This means choosing materials that require less energy to produce, deliver and build, as well as designing buildings with plans that need less energy in use.  It also means choosing materials and designs that will be easier to remove and recycle at the end of their useful life.

Site Specific House Plans

In order to secure long lasting, low cost, heat savings in any building it must be architecturally designed and planned with full regard to the site and ground conditions. 

This means giving full consideration to the plot and building orientation, passive and solar gain projections, and the ability to create or obtain renewable energy from the site itself.

This might mean creating a house design and plans that can make best use of Solar gain for direct heating, solar hot water, or solar Photovoltaic electricity generation.  It may also include the use of ground or air source heat pumps and must address the buildings airtightness, optimum levels of insulation in floors, roofs and walls, including the windows.

If the building plans make it very airtight then consideration must also be given to the installation of mechanical ventilation and heat recovery (MHRV) systems, as well as the long term sustainability specifications of all materials.

Energy Performance Certificates,

It is now ESSENTIAL that all buildings are now designed with respect to their SAP ratings, target and actual energy use and carbon dioxide (CO2) output levels all resulting in acceptable Energy Performance Certificates (EPC’s). Timber Framed House Plans are one of the simplest and easiest ways of achieving these.

All our architectural designs and plan drawing services deliver exceptional attention to detail on every project to help get your designs EPC certified in the most cost effective and easiest way possible. This includes addressing the needs of PassivHaus (Passive House) Standards to help you ensure that your new building will do your bit to address Global Climate Change.


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