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    • Featured Items
    • Recent Items
    • Recent Posts
    • Permitted Development Rights: The 8m Rear Extension Rule
    • Heat Pump vs Gas Boiler: Break-Even Is a SCOP of 3.0
    • Heat Pumps in Kent: the £7,500 Grant and the 1.5m³ Rule
    • Double Glazing Kent: the 1.4 U-Value Every Quote Must Hit

    Featured Items

    Recent Items

    Recent Posts

    • A street of 1930s suburban semi-detached houses in England

      Permitted Development Rights: The 8m Rear Extension Rule

      By Contemporary Structures | Comments are Closed

      Permitted development rights let a detached house extend 8m to the rear. The real limits, the £249 prior approval, the 42-day clock and where Kent differs.

    • An air source heat pump outdoor unit mounted beside a house wall

      Heat Pump vs Gas Boiler: Break-Even Is a SCOP of 3.0

      By Contemporary Structures | Comments are Closed

      Heat pump vs gas boiler on the October 2026 cap: gas heat costs 8.86p per kWh, so a heat pump has to beat a SCOP of 3.0 to be cheaper to run.

    • Air source heat pump outdoor unit beside a house wall

      Heat Pumps in Kent: the £7,500 Grant and the 1.5m³ Rule

      By Contemporary Structures | Comments are Closed

      Heat pump costs, grants and planning in 2026: £7,500 off an air source install, around £12,000 typical, and the 1.5m³ permitted development limit.

    • A street of terraced houses in Whitstable, Kent, with a mix of original and replacement windows

      Double Glazing Kent: the 1.4 U-Value Every Quote Must Hit

      By Contemporary Structures | Comments are Closed

      Double glazing in Kent must hit 1.4 W/m2K or Band B, and timber lost its softer allowance in 2023. What to check, and who to check it with.

    Have we inspired you to take the next step? We certainly hope so

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