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.
Arundel
Arundel is a market town and also civil parish in a steep vale of the South Downs, West Sussex, England. The much-conserved town has a medieval castle and Roman Catholic sanctuary. Although smaller in populace than a lot of various other parishes, Arundel has a gallery and comes second behind much bigger Chichester in its number of detailed buildings in West Sussex. The River Arun goes through the eastern side of the community. Arundel was among the boroughs reformed by the Municipal Reform Act 1835. From 1836 to 1889 the community had its very own Borough law enforcement agency with a strength of 3. In 1974 it entered into the Arun district, as well as is now a civil parish with a community council. An electoral ward of the very same name exists. This ward extends north to Houghton with a total population at the 2011 census of 4,298.