EPC Cost Estimator by Property Type

Victorian Terrace

Pre-1900 terraced house, typically with solid brick walls

2–4 bedrooms

Edwardian / 1920s

1900–1929 terraced or semi-detached, often solid or early cavity walls

2–4 bedrooms

1930s Semi-Detached

1930s semi with cavity walls — often easier and cheaper to insulate

2–4 bedrooms

1950s–1960s House

Post-war cavity wall construction — good insulation potential

2–4 bedrooms

1970s–1980s House

Often already has some insulation — lower starting costs

2–4 bedrooms

1990s or Newer

Modern build with cavity walls and double glazing as standard

1–4 bedrooms

Purpose-Built Flat

Flat in a purpose-built block — shared walls reduce heat loss

1–3 bedrooms

Converted Flat

Flat converted from a Victorian or Edwardian house — often solid walls

1–3 bedrooms

HMO

House in Multiple Occupation — larger properties with higher energy use

4–8 bedrooms