EPC rating and sold prices in M27 (Salford)
In postcode district M27 (Salford), homes rated EPC C or better sold for 15% more per square metre than D–G homes (median £2,456 vs £2,143, 6,700 sales). Like for like — same size, type, build period and year — homes rated C or better sold for 1.7% more (95% range +0.3% to +3.1%). 1 of 6 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 81 m² against 82 m² for D–G; the most common build period is 2012 onwards for C+ and 1930–1949 for D–G; 59% of C+ and 64% of D–G sales are detached or semi-detached houses.
| Comparing C+ with D–G homes… | Difference | 95% range |
|---|---|---|
| Raw gap per m² (medians) | +15% | — |
| Whole price, nothing held equal | +13.5% | +11.1% to +16.0% |
| Same floor area | +14.3% | +12.4% to +16.3% |
| + same property type | +15.0% | +13.2% to +16.9% |
| + same build period | +9.8% | +7.8% to +11.8% |
| + same year of sale | +1.7% | +0.3% to +3.1% |
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 M27
| Sector | Sales | Raw gap | Like-for-like | 95% range |
|---|---|---|---|---|
| M27 0 | 1,201 | +6% | 0.0% | −3.0% to +3.0% |
| M27 4 | 1,000 | +23% | +8.7% ▲ | +5.1% to +12.4% |
| M27 5 | 1,376 | +33% | +2.9% | −0.2% to +6.1% |
| M27 6 | 770 | +6% | −1.2% | −4.4% to +2.1% |
| M27 8 | 1,320 | +26% | +1.7% | −0.9% to +4.4% |
| M27 9 | 1,033 | +6% | +0.8% | −1.8% to +3.6% |
▲ 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 M27
| EPC band (last certificate before sale) | Sales | Median £ per m² |
|---|---|---|
| A | 2 | too few |
| B | 673 | £2,759 |
| C | 1,966 | £2,340 |
| D | 3,136 | £2,199 |
| E | 791 | £1,979 |
| F | 107 | £1,855 |
| G | 25 | £1,748 |
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.