You are close to three counties. Warranties and council tax do not always notice.
Local knowledge, sold-price honesty, and whether they pick up the phone. This is not paid-for ranking.
Markyate is small enough that an honest “best estate agents” list should admit gaps. These are the nearest Dacorum options we would actually send you to.
Independent estate agency remains a Berkhamsted cottage industry. Nash Partnership is one of the names on the boards along the High Street. Always triangulate with Land Registry, not just the window.
Aitchisons is one of the older names on Dacorum for-sale boards. Useful for a street-level sense of what is actually moving in HP1–HP4, alongside the nationals.
Supplementary Planning Documents for the HGC area are now adopted. They will guide neighbourhoods, infrastructure and the long argument about how Hemel grows north.