Constituency diagnosis

Dwyfor Meirionnydd

W07000096vintage 2026-Q2#1 by retrofit gap

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

In Dwyfor Meirionnydd, 22,705 rated homes sit below EPC band C. That puts the area at #1 for the widest gap among constituency areas in England & Wales.

Direction of travel

Not on track at the current rate

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

Retrofit gap

73.8%

of 30,785 rated domestic dwellings are below band C.

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

Homes below band C

22,705

League rank

#1

1 = widest gap.

Cost to reach band C

£265.0m(modelled estimate of the cost to reach band C)
01
Position and trajectory

Is the gap closing?

The latest position for Dwyfor Meirionnydd, set against the recent direction of travel.

Fig.1Retrofit gap over time

Stock · year-end
Dwyfor Meirionnydd retrofit gap by year

Share of Dwyfor Meirionnydd's rated dwellings below band C at each year-end, ending at its headline 73.8%. Tracks every home by its latest certificate. EPC register.

03
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

£3.7bn

estimate for below-C stock; not a valuation.

Median sale price

£221k

typical matched sale here.

Matched sale £/m²

£2,288/m²

median, from matched sales.

53.6% coverageMatched-sale estimate from recent HM Land Registry sales. Not a valuation. Methodology.

Matched sale £/m²

£2,288/m²

Matched-sale exposure

£3.7bnmatched-sale estimate of below-C rated stock value; not a valuation

C+ price/m² spread

-0.2%

Below-C transaction rate

1.35×

Private rented sector

The rented-stock cut

81.7% (based on 92.0% tenure coverage)

Make it specific

Area averages cannot tell you what one home needs.

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

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

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

Cite this figure / embed

Citation

The Home Index (2026-Q2): Dwyfor Meirionnydd has a retrofit gap of 73.8% — the share of rated homes below EPC band C. Source: EPC Open Data (Open Government Licence).

Embed this figure

<iframe src="https://thehomeindex.org/embed/constituency/W07000096" width="320" height="200" style="border:0" title="The Home Index — Dwyfor Meirionnydd" loading="lazy"></iframe>