Worst EPC Ratings in Southampton

Homes rated F or G on the EPC scale are among the least energy-efficient in England and Wales. These properties are expensive to heat, contribute disproportionately to carbon emissions, and their occupants are at greater risk of fuel poverty. Below are the postcode districts in Southampton with the highest concentration of poorly-rated homes.

#	District	Area	Avg Score	% F/G	Certificates
1	SO19	Hamble Valley	66	2.5%	18,832
2	SO16	Test Valley	67	2.4%	21,387
3	SO17	Southampton	67	2.3%	6,961
4	SO18	Southampton	66	2.1%	11,727
5	SO15	Southampton	67	1.8%	15,774
6	SO14	Southampton Test	70	1.3%	12,151

How to Improve Your EPC Rating

If your home is rated F or G, there are several improvements that can significantly boost your energy efficiency score:

Loft Insulation

+5 to +10 points

Cavity Wall Insulation

Government grants available

Properties rated F or G are often eligible for free improvements through the ECO4 scheme. Homeowners and landlords in these areas may qualify for free insulation or heating upgrades.

See if you qualify for ECO4 →