How hilly is the journey? And how fast can you walk up hills without losing your breath?
You don't have to cycle hard and cycling can be easier than walking in the right conditions. You can make it a 30 minute ride to start with and build up to going faster over a month or so. For the first month, try to do it in 20 minutes on your last work day of the week so you have two days(?) to rest after pushing it. If it is a struggle, remember to start nice and easy to warm up your muscles.
First five minutes should be gentle, anyway, to get the blood flowing, especially in the morning. Don't forget to stretch first. If you walk a lot, I think you'll be fine if you're otherwise healthy. Stay hydrated!
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How hilly is the journey? And how fast can you walk up hills without losing your breath?
You don't have to cycle hard and cycling can be easier than walking in the right conditions. You can make it a 30 minute ride to start with and build up to going faster over a month or so. For the first month, try to do it in 20 minutes on your last work day of the week so you have two days(?) to rest after pushing it. If it is a struggle, remember to start nice and easy to warm up your muscles.
First five minutes should be gentle, anyway, to get the blood flowing, especially in the morning. Don't forget to stretch first. If you walk a lot, I think you'll be fine if you're otherwise healthy. Stay hydrated!