Home energy audits in Sunningdale, London

What Sunningdale homes are made of

Built from the 1990s through the 2010s, Sunningdale homes have code-era envelopes, larger floor plans and taller volumes to heat and cool, and forced-air systems with long runs to far rooms. Many roofs are recent enough to host solar.

What an audit usually finds here

• Insulation that doesn't match the plans — settled or thin spots the thermal camera shows.
• Long duct runs leaving upper floors and far rooms uneven.
• Air leaks at attic hatches, pot lights and garage walls.
• Equipment sized by rule of thumb, which matters when it's time for a heat pump.

Tests to ask for

• A CSA F280 heat-loss calculation before any heat pump purchase — big houses are where oversizing costs most.
• Duct leakage testing and room-by-room airflow checks.
• A thermal scan to verify the insulation you paid for.

The rebates that fit

Two streams fit here. Ontario's direct rebates pay up to $5,000 for rooftop solar ($1,000 per kW) plus up to $5,000 for a battery installed with it ($300 per kWh) — each capped at half the cost, with written pre-approval and no net metering. Heat pumps earn up to $2,000 in a gas-heated home.

If the audit turns up envelope work, the assessment path adds air sealing, attic and window rebates and the $600 assessment rebate. Book the assessments through one of the program's seven approved service organizations, and have the follow-up done by December 31, 2026 — the program is only funded through 2026. Homes occupied for less than six months don't qualify, which matters on the newest streets.