Will your Windsor and Maidenhead rental pass EPC C by 2030?

4,243 of 8,284 privately rented homes in Windsor and Maidenhead are below EPC C, 51% of the local rental market. They must be upgraded by 1 October 2030.

How Windsor and Maidenhead compares

About average

Windsor and Maidenhead sits close to the England and Wales figure.

Best councils Worst councils

51% of rented homes here are below EPC C, against 53% across England and Wales. That ranks Windsor and Maidenhead 213 of 318 councils by the share needing work.

Every band in Windsor and Maidenhead

A 1

B 510

C 3,530

C is the line. Everything below it must be upgraded

D 3,108

E 1,049

F 63

G 23

Of 8,284 privately rented homes with a current certificate.

How many can actually reach C?

3,853 of the 4,243 sub-C rentals in Windsor and Maidenhead, 91% 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 Windsor and Maidenhead, from properties with a current certificate.
Privately rented	8,284
Socially rented	5,757
Owner occupied	24,402
Median floor area	86 m²

Postcode districts in Windsor and Maidenhead

Districts that sit mostly or wholly inside Windsor and Maidenhead.

District	Post town	Rented	Below C	Share
SL6	Maidenhead	4,164	2,041	49%
SL4	Windsor	3,083	1,594	52%
SL3	Slough	2,810	1,272	45%
SL5	Ascot	1,038	553	53%
RG10	Reading	833	531	64%
TW19	Staines-Upon-Thames	986	464	47%