Victim Jack Sullivan died days after he was found in a car park in Cheshunt, police say.
The non-league club says it is "surprised" and the match will be rearranged.
A group that helps to preserve Cedars Park says it has been left "totally lost for words".
The hotel is set to have a new gym and spa facility and the restaurant and bar will be extended.
Multiple routes have been affected by the fires, which broke out near the tracks in Waltham Cross.
Police say Jack Sullivan, 21, was kidnapped from Waltham Abbey on 22 June and found seriously injured in Cheshunt.
Essex Police says it has recovered a silver MG car as part of its inquiries.
Essex Police appeal for information about a silver MG after a man was found dead in Hertfordshire.
The work at Sawbridgeworth, Cheshunt and Broxbourne stations is happening on Saturday and Sunday.
