Rightmove’s December 2025 House Price Index gives us a clear picture of a market that slowed towards the end of the year — but one that is quietly setting itself up for a stronger start to 2026.

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As we move into the autumn phase of the market, the data is telling a clear story: momentum is modest, not frantic and you need to understand what that means if you’re buying or selling this season. Here’s a breakdown of what the latest figures show, why they matter, and how you should act.

The November Budget just changed the rules for buyers and sellers — from new property taxes to tighter affordability pressures. If you’re planning a move in 2026, you’ll want to read this.