In an older house with iffy underfloor heating (oil fired) a woodburner is essential and far cheaper to use than central heating. We are at home most of the day and language the heating on a couple of hours in morning then again evening. The woodburner is heats up our main room and retains the heat.
We are rural, so have are classed as off main grid. Looked into having a new boiler fitted using green electricity, but the running costs are currently four times higher than oil. Costs mean we will need to stick with oil, and wood as an additional heat source.
Just had ours swept, birds and nests can affect the chimneys, sweep said a grid to protect from such things is not viable for some chimneys, definitely use their knowledge when they come to being swept. And house insurers often need an up to date certificate too.