True low carbon or eco-chic?
Probably since the oil crisis of the early 70's there has never been such a high level of public awareness and engagement in all things 'environmental', not least in greening up homes. In particular the UK Government has made a commitment for all new homes to be 'zero carbon' by 2016, an ambitous target which would make UK building regs on energy efficiency some of the toughest in the world, even exceeding the current high standards which exist in Canada, Scandinavia and Germany.
The problem is that new homes accont for just 1% of the housing stock annually at the current UK build rate, so what can the majority of the population do to reduce consumption and 'do their bit'? There is a huge amount of information out there and a good starting point is The Energy Savings Trust www.est.org.uk, but it can be a minefield as to what actions/technologies will truly bring genuine savings in energy, carbon and money. Here's a few ideas:
1. Insulation and draft-proofing/airtightness - do this before anything else, especially on the detailed design of a new build or extension. Usually, money spent on this has a much quicker payback than any of the technologies described below. For example, £2k spent on a mini wind turbine buys a huge amount of insulation and will payback much quicker.
2. Rainwater harvesting (for toilet flushing, laundry etc) - unless gravity fed or pump free, this probably isn't worth the cost or effort and will increase your energy consumption. Whilst saving mains supplied potable water which has used energy in its processing and delivery, it is unlikely that the energy used to do that by your water supplier will be less per cubic metre than by using a water harvesting system. Furthermore, if you are on a water meter the energy costs in operating such a system may not even be offset by the saving in water costs.
3. Mini wind turbines (fixed to house) - in most cases probably not worth the bother, but in some cases (rural, wind-swept property with no nearby obstructions) might produce useful power.
4. Mini wind turbines (standalone for farms etc) - worthwhile on windswept, unobstructed sites.
5. Solar panels (hot water) - useful and can provide up to 60% of annual hot water needs. Payback can be less than 10 years, but don't overpay for system (should be ca. £2,500).
6. Solar panels (PV, electricity generating) - expensive and long payback, but very reliable (we have them) and beautifully simple. Most cost effective on building integrated applications. A better choice than roof mounted wind turbines for electricity generation in most cases.
7. Heat pumps - good choice for well insulated rural new builds with underfloor heating not connected to mains gas. Be careful over promises of '75% savings' - they still need electricity to drive the pump!
8. Wood burning stoves - go for it! In the vast field of alternative energy, the joy of watching carbon-neutral fuel being consumed by fire within the highly efficient combustion chamber of a modern wood burner is rivaled only by the gentle rotation of 150ft wind turbine blades! If you use an open fire, three quarters of the energy in the fuel you feed it goes up the chimney; in a woodburner, three quarters stays in the room, not to mention considerably reduced emissions.
Future Plans
This week we've instructed the architect to commence work on plans for the former dairy. We're looking into the possibility of converting the building into holiday accommodation and prepared a brief to that end. We are very fortunate to live in a beautiful part of the world and the National Park designation has further enhanced this area's popularity for visitors. As you can see the slate roof is hanging together but there are some nice features to the building and we would like to bring it back into good use. The building is to the north of where our house will sit. The brief still adheres to our low energy principles but with an exisiting shell the approach will be different. At this stage we are looking at what sort of space we can create within the structure as it stands and exploring the planning situation.
Timber Frame Disappointment
Today the forklift was dropped off in order to be ready for Monday when the timber frame is due for delivery. Three year old son just said 'wow' and is very excited that more machinery is on site. Unfortunately a couple of phone calls and a visit from the builder brings news that certain elements of the kit are not ready - namely the steel portal frame and the first floor TGI joists. This means that work can start on erecting the timber frame next week but the extent will be limited because the steel portal is to be integrated within some of the prefabricated wall panels on site. This is disappointing for us but is outwith our control or influence so not worth stewing about. For the builder it is perhaps more frustrating, particularly as there has already been a break of three weeks of fairly good weather since significant work on site and as he has lined up scaffolding and crew to go full steam ahead on the frame.
Four Months of Caravan Living
We've been living in the caravan for just over 4 months now, its hard to believe and generally has worked a lot better and been much easier than we expected (all those years of camping provides good training!). Yesterday was a horribly cold damp foggy day though and I felt chilled to the bone. By the evening I just couldn't get warm and the prospect of a warm bathroom in a real house would have been lovely. Its a better morning outside today but the water heater won't work and after attempts to remedy the problem we've called the engineer who is coming out this afternoon thankfully. If it doesn't work I'll be 'phoning a friend'.
We have two caravans both of which are on a concrete area, formerly one of the farm middens (for the English readers that's the place where all the cow muck is piled up!) Our main van has two wee bedrooms, a dining kitchen and a sitting/lounge area as well as a shower room with a sit-up bath tub which is great for the children. The cooking and heating (one gas fire) are by bottled LPG.
The second van is a bit smaller but has been kitted for the washing maching, tumble dryer and lots of clothes rails, our 'walk-in wardrobe'. Initially this van was used as our office and for our nephew who stayed here in the summer. One of the main problems with caravan living is the lack of space but we're lucky enough to have the second van and lots of outbuildings to overspill into.
We don't have a completion date as such but we can easily assume another 4 months to go, it is a nice thought that we're at our halfway point of temporary accommodation but we are now heading towards winter....!!!!
Hen House Happenings
The hens have flourished in the past week. Their egglaying is quite haphazard, some are using the nesting boxes, others are more random. Some days we get several eggs, some days one or two. We've probably had around 25 eggs in the last week. In the past few days we've kept them in the henhouse for longer periods as, apparently, that is how they learn where to head for at dusk. Hens, especially battery ones, have to learn 'stranger danger' ie to keep out of the reach of foxes at night. This evening only 2 needed lifting into the house whereas last week we were chasing the little devils around their enclosure (immensely hilarious if anyone was watching!). Rather bizarrely they crowd into the 3 nesting boxes, this evening 8 of them were squashed into the 3 small boxes.
We've now named 3 of them - Amanda, Dora and Maisie. Amanda is the one with most attitude also the one which has 'oven ready' areas of no feathers; Dora and Maisie have the darkest feathers, with Maisie having crops of white to differentiate.
The photo is of Amanda.
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