# AL7 4BY

## Location

- **Coordinates:** 51.78749, -0.195044
- **Open Location Code:** 9C3XQRP3+XX
- **Maidenhead Locator:** IO91vs
- **Qibla:** 119.2°
- **Grid reference:** TL 24591 11410
- **UTM:** 30U 693454 5741124
- **Elevation:** 79m
- **Timezone:** Europe/London

## Administrative areas

- **Country:** England (E92000001)
- **Region:** East of England (E12000006)
- **Admin district:** Welwyn Hatfield (E07000241)
- **Ward:** Hollybush (E05011065)
- **Constituency:** Welwyn Hatfield (E14001573)
- **County:** Hertfordshire (E10000015)
- **Parish code:** E43000083
- **Travel to work area:** E30000272
- **Police force area:** E23000027
- **Built-up area:** E63011463
- **County electoral division:** E58000676
- **European electoral region:** East of England (E15000006)
- **Date introduced:** 2016-10

## Census & classification

- **2021 LSOA:** E01023939
- **2021 MSOA:** Hollybush (E02004988)
- **2021 output area:** E00121562
- **2011 LSOA:** E01023939
- **2011 MSOA:** E02004988
- **2011 output area:** E00121562
- **2011 workplace zone:** E33027652
- **Rural/urban classification:** Urban: nearer to a major town or city
- **Output area classification:** Constrained City Dwellers (7A3)
- **Deprivation rank (IMD):** 15456
- **Postcode user type:** Small

## Health (England)

- **NHS region:** E40000013
- **ICB location:** E38000049
- **Integrated Care Board:** E54000065
- **Cancer Alliance:** E56000035

## Nearest

| Type | Name | Distance (m) |
|---|---|---|
| Railway station | Welwyn Garden City | 1596 |
| Hospital | Queen Elizabeth II Hospital | 637 |
| GP | Hertfordshire IUC Service and HUC HQ | 613 |
| School | Creswick Academy | 349 |
| Airport | London Luton Airport | 15357 |
| Bus stop | Hunters Way | 83 |
| Food bank | Salvation Army | 514 |
| Defibrillator | NA | 351 |
| Pharmacy | Boots | 467 |
| Post office | Hollybush Post Office | 353 |
| Library | Library | 473 |
| Coast | — | 54621 |
| Central London | — | 31488 |

## Utilities

- **Electricity:** UK Power Networks (region A, MPAN 10)
- **Water:** Affinity Water
- **Sewerage:** Thames Water
- **Broadband:** 100% gigabit, 100% superfast, 100% ultrafast, 0% below USO

## Adjacent postcodes

- [AL7 4JR](https://openpostcodes.uk/AL7%204JR)
- [AL7 4NR](https://openpostcodes.uk/AL7%204NR)
- [AL7 4NZ](https://openpostcodes.uk/AL7%204NZ)
- [AL7 4NS](https://openpostcodes.uk/AL7%204NS)
- [AL7 4NX](https://openpostcodes.uk/AL7%204NX)

## Boundary

A Polygon boundary polygon is available in the [JSON format](https://openpostcodes.uk/AL7%204BY.json).

## Data

- [HTML](https://openpostcodes.uk/AL7%204BY)
- [JSON](https://openpostcodes.uk/AL7%204BY.json)
- [Markdown](https://openpostcodes.uk/AL7%204BY.md)