Most Energy-Efficient Areas in Southampton

Areas with higher EPC scores tend to have lower energy bills, better-insulated homes, and are better positioned for future compliance requirements. The districts below rank highest for average energy efficiency score across all certificated properties in Southampton.

#	District	Area	Avg Rating	Avg Score	% A or B	Certificates
1	SO14	Southampton Test	C	70	19.0%	12,151
2	SO15	Southampton	D	67	10.2%	15,774
3	SO16	Test Valley	D	67	11.2%	21,387
4	SO17	Southampton	D	67	7.8%	6,961
5	SO18	Southampton	D	66	8.6%	11,727
6	SO19	Hamble Valley	D	66	10.6%	18,832

What high ratings mean for buyers

Lower energy bills — A-rated homes can cost hundreds less per year to heat than G-rated equivalents
Green mortgage products — some lenders offer better rates for properties rated A or B
Future compliance — if you plan to rent the property, EPC C will be required by 2030
Comfort — better-insulated homes are warmer in winter and cooler in summer

Check a specific postcode

Enter a postcode or district code to see full EPC data for that area.