Tenants increasingly notice running costs. Properties with poor thermal performance or no ceiling fans in hot climates can take longer to lease or require rent discounts.

Solar with fair feed-in arrangements and clear metering can be a marketing advantage, but upfront payback depends on tariffs, orientation, and shading.

National construction standards continue to tighten; older stock may face retrofit expectations over time as disclosure norms evolve.

Obtain quotes from licensed trades; not all upgrades generate positive NPV.