SW11 (Battersea) has an average EPC score of 64, which is above the national average of 63. Based on 18,432 certificates, 5.1% of homes are rated A or B, while 3.2% are rated F or G. The most commonly recommended improvement is loft insulation, affecting 26% of properties. If all recommended improvements were carried out, the average score could rise from 64 to 78 (rating C).