EPC rating and sold prices in L30 (Sefton)
In postcode district L30 (Sefton), homes rated EPC C or better sold for 20% more per square metre than D–G homes (median £1,718 vs £1,429, 1,958 sales). Like for like — same size, type, build period and year — the difference is +2.2% (95% range −0.1% to +4.6%): the EPC band itself is not reflected in sale prices here. 2 of 7 sectors with enough sales show a difference distinguishable from zero. Data: HM Land Registry to 30 September 2026, EPC register.
From the raw gap to like-for-like
The homes are not alike: C+ homes here have a median floor area of 84 m² against 83 m² for D–G; both groups are most often built in 1950–1966; 50% of C+ and 57% of D–G sales are detached or semi-detached houses.
| Comparing C+ with D–G homes… | Difference | 95% range |
|---|---|---|
| Raw gap per m² (medians) | +20% | — |
| Whole price, nothing held equal | +16.0% | +12.1% to +20.1% |
| Same floor area | +15.0% | +11.3% to +18.8% |
| + same property type | +15.2% | +12.1% to +18.3% |
| + same build period | +11.5% | +8.4% to +14.8% |
| + same year of sale | +2.2% | −0.1% to +4.6% |
The first row compares median prices per m²; the second compares whole prices; each later row adds one more thing that must be equal, ending with the like-for-like premium (regression of log price; build period from the certificate, 12 bands). The raw gap per m² and the whole-price gap differ because C+ and D–G homes differ in size.
Postcode sectors in L30
| Sector | Sales | Raw gap | Like-for-like | 95% range |
|---|---|---|---|---|
| L30 0 | 172 | +23% | +3.5% | −1.9% to +9.2% |
| L30 1 | 443 | +28% | +1.2% | −4.4% to +7.2% |
| L30 2 | 269 | +19% | +6.9% ▲ | +2.0% to +12.1% |
| L30 3 | 233 | +16% | +5.3% | −0.8% to +11.7% |
| L30 5 | 234 | +22% | +6.0% ▲ | +0.7% to +11.7% |
| L30 6 | 39 | +5% | too few | — |
| L30 7 | 315 | +11% | +4.0% | −0.7% to +9.1% |
| L30 8 | 173 | +20% | −1.2% | −7.5% to +5.7% |
| L30 9 | 80 | +3% | too few | — |
▲ green: premium distinguishable from zero; ▼ red: discount; plain: no measurable difference. Small areas have fewer sales, so their 95% ranges are wider.
Sold prices by EPC band in L30
| EPC band (last certificate before sale) | Sales | Median £ per m² |
|---|---|---|
| A | 4 | too few |
| B | 154 | £2,051 |
| C | 786 | £1,591 |
| D | 852 | £1,454 |
| E | 129 | £1,353 |
| F | 24 | £1,162 |
| G | 9 | too few |
A median is shown when a band has at least 10 sales.
How this is calculated
- Every standard sale (HM Land Registry Price Paid, category A) since January 2015 is matched to the latest energy certificate of the same address (postcode + house number or name + flat) lodged from 10 years before to 3 months after the sale; sales with no certificate or an ambiguous match are left out. Across England and Wales 92% of sales match.
- Price per m² uses the certificate's total floor area (15–1,000 m²).
- Like-for-like premium: regression of the log of price on “C or better”, log floor area, property type, the certificate's build period and the year of sale. The 95% range shows how precise the estimate is; when it includes zero, the data cannot tell the premium apart from none.
Caveats
- The band is the one on the certificate before the sale; certificates are a median 0.8 years old at the sale, but a quarter are over 4 years old and some homes were improved since.
- Condition, garden, parking, views and the exact position within the sector are not known; a premium could hide in them, or they could hide one.
- Individual sales and addresses are not shown.