# SY99

Postcode district covering Castlefields and Shrewsbury, in Shropshire.

SY99 is a postcode district covering Castlefields and Shrewsbury, in Shropshire.

Postcode district. Code SY99. In: [Postcodes](https://openindex.co.uk/postcode) › [SY](https://openindex.co.uk/postcode/sy)

SY99 holds no output area of its own (it is a PO box, one building or a few streets), so it has no outline, no census figures and no recorded crime of its own. House sales count every sale with an SY99 postcode.

## On the map

- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=SY99) (Worked out by Open Index · 2025): 0 homes were sold in SY99 in 2025.
- [Population by council](https://openindex.co.uk/map/population-estimate?place=SY99) (Mid-year population estimates · 2025): Published for whole councils, so the map colours all of Shropshire, where most of this postcode district lies. The outline is SY99.
- [Deprivation score by council](https://openindex.co.uk/map/deprivation-score-england?place=SY99) (English Indices of Deprivation 2025): Published for whole councils, so the map colours all of Shropshire, where most of this postcode district lies. The outline is SY99.
- [Female lifespan by council](https://openindex.co.uk/map/life-expectancy-female?place=SY99) (Life expectancy for local areas of the UK · 2022 to 2024): Published for whole councils, so the map colours all of Shropshire, where most of this postcode district lies. The outline is SY99.

## Your MP

- [Shrewsbury](https://openindex.co.uk/constituency/shrewsbury): Julia Buckley (Labour), MP since July 2024.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Postcode sectors in SY99

[SY99 8 (8 postcodes)](https://openindex.co.uk/postcode/sy99-8)

## Council

[Shropshire](https://openindex.co.uk/shropshire)

## Nearest rail stations

[Shrewsbury (100 m from the middle)](https://openindex.co.uk/map/rail-stations?around=-2.7498,52.7119)

## More in the SY postcode area

[All SY postcode districts](https://openindex.co.uk/postcode/sy), [Every UK postcode area](https://openindex.co.uk/postcode)

## SY99 in brief

SY99 is a postcode district covering Castlefields and Shrewsbury, in Shropshire.

## About

- Type: Postcode district
- Code: SY99
- Postcode area: [SY](https://openindex.co.uk/postcode/sy)
- Constituency: [Shrewsbury †](https://openindex.co.uk/constituency/shrewsbury)
- Council: [Shropshire †](https://openindex.co.uk/shropshire)
- Area: 0.00 km²

† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Latest updates for SY99

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/SY99

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/sy99.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/postcode/sy99