When choosing a roof for your new extension, you'll want to make sure that it fits with the existing look of the house, to make the new addition look as seamless as possible. Selecting the same material in the same colour is the best option where possible, and you should discuss this with your roofing contractor before work begins.
Planning permission requirements often include a clause about making sure that your extension matches the original property, in keeping with local architecture. Failing to choose an appropriate material could get you in trouble, so it’s worth taking the time to make sure it's exactly right. Some materials may seem like a close enough match, but could look dramatically different once installed.
You'll need to take into account the weathering of existing tiles, which may alter their colour or appearance. If the existing roof is very old or shows significant signs of damage, then it may be worth having it replaced at the same time as the new extension roof is installed. There are a few benefits to going down this route. You'll keep all disruptive building work to one timeframe, and won't have to go through the inconvenience of having more work done in a few years' time. You may also save money, as local roofing contractors are likely to offer a better price for multiple jobs being carried out together.
A complete roof replacement is also an opportunity to consider a change. You might choose a different style or colour of roof, within the limits of your planning permission requirements. You'll also have the freedom to enhance your roof with features like solar panels or skylights.
Solar panels can be fitted to your new roof to provide sustainable energy for your home, and there's no risk of issues with the installation, which can be the case when affixing panels to older roofs. A skylight is a wonderful way to let more light into your home, and is particularly popular in homes with loft conversions. Dark spaces can be made much brighter and more pleasant to spend time in, and you'll benefit from a warming effect on sunny days.