UK HDPE Prices Rise Early in December Before Settling into Sideways Trend

December 2025 UK HDPE (High density Polyethylene) Prices has been neutral to slightly bullish, closing prices of Injection FD West Yorkshire increased 1.40% in the first week, rose further by 0.92% in the second week (extending a 12-week uptrend) and held flat in the third week. Buyers who depend on imports (62% of the national demand) were hearing consistent voices from Northwest Europe, US Gulf and Middle East, with the support from stronger GBP/USD rate against depreciation pressure on landed cost. Strong demand from packaging segment further tightened prompt availability, and high utilities/feedstock costs motivated margins chase. Offsetting factors were ample distributor inventories and softened neighboring country demand, retarding increases. Domestic supply for one third needs of recycled content trials due to sustainability regulations but also some quality challenges from INEOS Grangemouth. Equilibrium was maintained by firm fundamentals on both sides and steady imports, with nothing major to disturb. A week of cold air mass with high pressure promoting settled conditions to start next week in the UK, but with a risk of wintry showers, snow, ice and gales toward the New Year (thus certainly some disruption of shipments probable).