Will your Welwyn Hatfield rental pass EPC C by 2030?

2,188 of 5,976 privately rented homes in Welwyn Hatfield are below EPC C, 37% of the local rental market. They must be upgraded by 1 October 2030.

How Welwyn Hatfield compares

Well below average

Welwyn Hatfield is in better shape than most of England and Wales.

Best councils Worst councils

37% of rented homes here are below EPC C, against 53% across England and Wales. That ranks Welwyn Hatfield 313 of 318 councils by the share needing work.

Every band in Welwyn Hatfield

A 1

B 424

C 3,363

C is the line. Everything below it must be upgraded

D 1,793

E 369

F 20

G 6

Of 5,976 privately rented homes with a current certificate.

How many can actually reach C?

2,032 of the 2,188 sub-C rentals in Welwyn Hatfield, 93% of them, already have a potential rating of C or better on their current certificate. That is the assessor's own estimate of what the property would reach if the recommended measures were installed.

Landlords are required to spend up to £10,000 per property. Above that, an exemption may apply.

The transitional rule

An EPC rated C or higher on the existing Energy Efficiency Rating, issued before 1 October 2029, counts as compliant until that certificate expires.

Source: Transitional rule. Verified 21 September 2026.

Local housing stock

All tenures in Welwyn Hatfield, from properties with a current certificate.
Privately rented	5,976
Socially rented	10,038
Owner occupied	15,064
Median floor area	77 m²

Postcode districts in Welwyn Hatfield

Districts that sit mostly or wholly inside Welwyn Hatfield.

District	Post town	Rented	Below C	Share
AL10	Hatfield	3,079	1,000	32%
EN6	Potters Bar	1,348	663	49%
AL7	Welwyn Garden City	1,329	365	27%
AL9	Hatfield	604	332	55%
AL8	Welwyn Garden City	433	237	55%
AL6	Welwyn	291	159	55%
SG3	Knebworth	333	147	44%