You may need planning permission if you are planning a larger extension. All extensions will need building regulations approval. An architect can assist with this and if planning permission is required. A reputable contractor will also be able to advise you if this is needed as well.
Thirsk
Thirsk is a tiny market community as well as civil church in the Hambleton area of North Yorkshire, England. Historically part of the North Riding of Yorkshire, it is 8 miles (13 kilometres) south-south eastern of the county town of Northallerton. According to the 2011 UK Census, the population was 4,998. Thirsk is a popular tourist location near to the Yorkshire Dales and also the North York Moors. It was the home of author James Herriot and birth place of Thomas Lord, after whom Lord's Cricket Ground is named. Thirsk Racecourse is on the western edge of the town. Thirsk is built around a big medieval market square, which still hosts an open-air market each Monday as well as Saturday. The market was developed in 1145 and also is the centerpiece for regional farmers, traders and site visitors. The community was once known for its natural leather sun tanning and saddlery trade, yet this was replaced in the 19th century by the production of farming implements. This was aided by the facility of the Mechanics Institute in 1848. Thirsk has lots of centers for visitors. The modern economy is based on hospitality, tourism, public administration, money, manufacturing, construction, agriculture, tiny industrial, retail as well as solution organisations. It is residence to online retailer VetUK. Tourism is an important part of the economic situation, with holiday accommodations, dining establishments and clubs along with tourist attractions that motivate visitors.