The latest generation of gravel bikes under £1000 can be ridden almost anywhere. They are ready for adventure usually equipped with high performance brakes, wide tyres and a comfortable durable frame. These bikes are able to adapt from tough terrain through to slick road surfaces.
Therefore gravel bikes are ideal for the days that you're unsure where your adventure will take you. In short you're in good hands with a gravel bike as you'll know it's capable of getting you where you want to go under almost any circumstance.