L23
Postcode districtPostcode district covering Crosby, Thornton and Blundellsands, in Sefton.
Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an L23 postcode. How census figures are added up
Gigabit coverage by postcode district
Connected Nations (Ofcom) · January 2026
In L23, 97.4% of homes and businesses could get gigabit-capable broadband in January 2026.
How L23 compares
Each dot is a postcode district. The black line marks the middle one.
Is L23 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in L23 at a rate of 61.6 per 1,000 people.
That compares with 112.3 per 1,000 people across L.
In August 2026 alone, 169 cases of crime and anti-social behaviour were recorded in L23.
In the 12 months to August 2026, the most common types were violence and sexual offences (727), other crime (333) and anti-social behaviour (317).
A year earlier, the recorded crime rate in L23 was 56.9 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Deprivation in L23, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so L23 has no single figure. Of its 21 neighbourhoods with a rank:
- Decile 1 (England’s most deprived 10%): 1 neighbourhood
- Decile 2: 1 neighbourhood
- Decile 3: 2 neighbourhoods
- Decile 4: 1 neighbourhood
- Decile 6: 3 neighbourhoods
- Decile 7: 3 neighbourhoods
- Decile 8: 2 neighbourhoods
- Decile 9: 5 neighbourhoods
- Decile 10 (England’s least deprived 10%): 3 neighbourhoods
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in L23
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Sefton 021A | 1,353 | 73.7 per 1,000 | 3 | 100.0% |
| Sefton 021B | 1,347 | 70.7 per 1,000 | 3 | 98.1% |
| Sefton 021C | 1,376 | 26.5 per 1,000 | 9 | 99.1% |
| Sefton 021E | 1,567 | 104.6 per 1,000 | 8 | 98.3% |
| Sefton 021F | 1,620 | 111.2 per 1,000 | 4 | 98.6% |
| Sefton 022A | 1,433 | 70.1 per 1,000 | 9 | 91.5% |
| Sefton 022B | 1,366 | 12.1 per 1,000 | 10 | 100.0% |
| Sefton 022C | 1,361 | 27.9 per 1,000 | 9 | 99.7% |
| Sefton 022D | 1,474 | 198.7 per 1,000 | 6 | 93.0% |
| Sefton 022E | 1,427 | 32.5 per 1,000 | 8 | 99.9% |
| Sefton 022F | 1,304 | 29.2 per 1,000 | 10 | 99.8% |
| Sefton 024C | 1,050 | 60.7 per 1,000 | 1 | 99.1% |
| Sefton 024D | 1,181 | 78.1 per 1,000 | 2 | 100.0% |
| Sefton 025A | 1,256 | 65.3 per 1,000 | 9 | 90.2% |
| Sefton 025B | 1,307 | 35.0 per 1,000 | 10 | 100.0% |
| Sefton 025C | 1,578 | 114.0 per 1,000 | 6 | 90.9% |
| Sefton 025D | 1,772 | 30.3 per 1,000 | 7 | 100.0% |
| Sefton 025E | 1,356 | 23.5 per 1,000 | 9 | 99.8% |
| Sefton 025F | 1,543 | 18.0 per 1,000 | 7 | 100.0% |
| Sefton 028D | 1,386 | 50.7 per 1,000 | 7 | 99.8% |
| Sefton 028E | 1,495 | 49.7 per 1,000 | 6 | 99.7% |
MPs for L23
- Bill EstersonLabourMP for Sefton Central68% of L23’s postcodes
- Peter DowdLabourMP for Bootle32% of L23’s postcodes
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Middle areas in L233
Postcode sectors in L2310
Council1
Towns in L231
Postcode districts next to L237
Nearest rail stations4
More in the L postcode area2
L23 in brief
L23 is a postcode district covering Crosby, Thornton and Blundellsands, in Sefton.
About 31,563 people lived in L23 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £294,500 in 2025 across 519 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 61.6 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in L23 was £294,500 in 2025.
L23 had 30,864 usual residents at the census.
In L23, 97.4% of homes and businesses could get gigabit-capable broadband in January 2026.
In L23, 2.5% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.