What percentage of homes in Arundel and South Downs are below EPC band C?

56.9% of rated homes in Arundel and South Downs are below EPC band C (as of 2026-Q2) — 16,586 of 29,162 rated dwellings. Source: The Home Index, from EPC Open Data under the Open Government Licence.

How many homes in Arundel and South Downs need upgrading to reach EPC band C?

16,586 rated dwellings in Arundel and South Downs sit below EPC band C and would need improvement to reach the band-C standard.

How does Arundel and South Downs rank for the EPC band C retrofit gap?

Arundel and South Downs ranks #92 for the widest retrofit gap among constituency areas in England and Wales.

Constituency diagnosis

Arundel and South Downs

Name: The Home Index — Arundel and South Downs
Creator: The Home Index
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

E14001067vintage 2026-Q2#92 by retrofit gap

Constituency figures use the 2024 Westminster; comparisons are only valid within one boundary vintage.

In Arundel and South Downs, 16,586 rated homes sit below EPC band C. That puts the area at #92 for the widest gap among constituency areas in England & Wales.

Direction of travel

On current pace, reaches band C by 2065

Projection from the 15-year rated-stock trend; not a forecast.

Retrofit gap

56.9%

of 29,162 rated domestic dwellings are below band C.

EPC Open Data · Open Government Licence · free to cite with attribution.

Homes below band C

16,586

League rank

#92

1 = widest gap.

Cost to reach band C

£165.0m(modelled estimate of the cost to reach band C)

Position and trajectory

Is the gap closing?

The latest position for Arundel and South Downs, set against the recent direction of travel.

Fig.1Retrofit gap over time

Stock · year-end

Share of Arundel and South Downs's rated dwellings below band C at each year-end, ending at its headline 56.9%. Tracks every home by its latest certificate. EPC register.

Land Registry × EPC — matched-sale signals

What is at stake in the local market

We match HM Land Registry sales to EPC certificates: price per m², below-C matched-sale exposure, the observed C-or-above price/m² spread, and transaction-rate signals. Modelled estimates, shown with match coverage; not valuations. Methodology

Matched-sale exposure

£8.3bn

estimate for below-C stock; not a valuation.

Median sale price

£555k

typical matched sale here.

Matched sale £/m²

£4,650/m²

median, from matched sales.

57.9% coverageMatched-sale estimate from recent HM Land Registry sales. Not a valuation. Methodology.

Matched sale £/m²

£4,650/m²

Matched-sale exposure

£8.3bnmatched-sale estimate of below-C rated stock value; not a valuation

C+ price/m² spread

-11.2%

Below-C transaction rate

1.29×

Private rented sector

The rented-stock cut

73.7% (based on 84.5% tenure coverage)

Make it specific

Area averages cannot tell you what one home needs.

Check a real address in Arundel and South Downs for its EPC, running costs, route to band C and available support. Landlords can then compare that home across a portfolio.

Check a home →Check a portfolio →

Prefer a general estimate? Model a home type in the cost calculator.

For local reporters: this is Arundel and South Downs's citable figure — copy the line below or embed the live widget, free to use with attribution.

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Citation

The Home Index (2026-Q2): Arundel and South Downs has a retrofit gap of 56.9% — the share of rated homes below EPC band C. Source: EPC Open Data (Open Government Licence).

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