# GU21

Postcode district covering Woking, Knaphill and Horsell, in Woking.

GU21 is a postcode district covering Woking, Knaphill and Horsell, in Woking. Median sale price £412,500 in 2025. Recorded crime 89.2 per 1,000 people.

Postcode district. Code GU21. In: [Postcodes](https://openindex.co.uk/postcode) › [GU](https://openindex.co.uk/postcode/gu)

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 GU21 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £412,500** (2025). The median price paid for a home in GU21 was £412,500 in 2025. 554th most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/gu21#f-house-sales-median-price
- **Population: 50,662** (2021). GU21 had 50,662 usual residents at the census (ONS Census 2021). 199th most populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/postcode/gu21#f-population
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in GU21 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/postcode/gu21#f-radon-affected-share
- **Gigabit broadband coverage: 90.3%** (January 2026). In GU21, 90.3% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/postcode/gu21#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=GU21) (Worked out by Open Index · 2022): About 0% of people in GU21 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=GU21) (Worked out by Open Index · 2025): 701 homes were sold in GU21 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=GU21) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for GU21.
- [Population by postcode district](https://openindex.co.uk/map/population?place=GU21) (Census 2021, England and Wales): GU21 had 50,662 usual residents at the census.

## How GU21 compares

Each postcode district against every other postcode district the measure covers.

| Measure | GU21 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £412,500 | 5th cheapest | 38 postcode districts, GU · 2025 |
| Population | 50,662 | 2nd most populated | 38 postcode districts, GU · 2021 |
| People in radon Affected Area squares | 0% | joint fewest people in radon Affected Areas | 38 postcode districts, GU · 2022 |
| Gigabit broadband coverage | 90.3% | 14th highest | 38 postcode districts, GU · Jan 2026 |

## Is GU21 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in GU21 at a rate of 89.2 per 1,000 people.
That compares with 61.7 per 1,000 people across the GU postcode area.
In August 2026 alone, 410 cases of crime and anti-social behaviour were recorded in GU21.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,790), other crime (926) and anti-social behaviour (697).
A year earlier, the recorded crime rate in GU21 was 85.6 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 GU21, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so GU21 has no single figure. Of its 31 neighbourhoods with a rank:
- Decile 2: 1 neighbourhood
- Decile 3: 1 neighbourhood
- Decile 4: 4 neighbourhoods
- Decile 5: 3 neighbourhoods
- Decile 6: 1 neighbourhood
- Decile 7: 3 neighbourhoods
- Decile 8: 4 neighbourhoods
- Decile 9: 3 neighbourhoods
- Decile 10 (England’s least deprived 10%): 11 neighbourhoods

Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

## Neighbourhoods in GU21

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Woking 003A](https://openindex.co.uk/woking/neighbourhood/e01030963) | 1,507 | 15.6 per 1,000 | 10 | 99.6% |
| [Woking 003B](https://openindex.co.uk/woking/neighbourhood/e01030964) | 1,767 | 43.7 per 1,000 | 10 | 94.3% |
| [Woking 003C](https://openindex.co.uk/woking/neighbourhood/e01030965) | 1,517 | 60.5 per 1,000 | 10 | 85.1% |
| [Woking 003D](https://openindex.co.uk/woking/neighbourhood/e01030966) | 1,432 | 30.9 per 1,000 | 10 | 98.8% |
| [Woking 003E](https://openindex.co.uk/woking/neighbourhood/e01030967) | 1,646 | 39.0 per 1,000 | 10 | 86.4% |
| [Woking 003F](https://openindex.co.uk/woking/neighbourhood/e01030968) | 1,357 | 58.7 per 1,000 | 6 | 97.8% |
| [Woking 004A](https://openindex.co.uk/woking/neighbourhood/e01030980) | 1,749 | 68.8 per 1,000 | 4 | 93.4% |
| [Woking 004D](https://openindex.co.uk/woking/neighbourhood/e01030983) | 1,974 | 108.7 per 1,000 | 4 | 76.6% |
| [Woking 004E](https://openindex.co.uk/woking/neighbourhood/e01030984) | 2,240 | 56.1 per 1,000 | 4 | 98.5% |
| [Woking 004G](https://openindex.co.uk/woking/neighbourhood/e01034293) | 2,919 | 109.9 per 1,000 | 3 | 78.7% |
| [Woking 005A](https://openindex.co.uk/woking/neighbourhood/e01030951) | 1,280 | 61.8 per 1,000 | 7 | 97.4% |
| [Woking 005B](https://openindex.co.uk/woking/neighbourhood/e01030952) | 1,621 | 107.6 per 1,000 | 2 | 100.0% |
| [Woking 005C](https://openindex.co.uk/woking/neighbourhood/e01030953) | 1,431 | 91.8 per 1,000 | 9 | 94.8% |
| [Woking 005D](https://openindex.co.uk/woking/neighbourhood/e01030956) | 1,274 | 54.0 per 1,000 | 5 | 98.5% |
| [Woking 005E](https://openindex.co.uk/woking/neighbourhood/e01030957) | 1,257 | 66.3 per 1,000 | 5 | 100.0% |
| [Woking 005F](https://openindex.co.uk/woking/neighbourhood/e01030958) | 1,439 | 38.1 per 1,000 | 10 | 96.4% |
| [Woking 005G](https://openindex.co.uk/woking/neighbourhood/e01030959) | 1,020 | 13.3 per 1,000 | 10 | 97.5% |
| [Woking 007A](https://openindex.co.uk/woking/neighbourhood/e01030974) | 1,544 | 62.6 per 1,000 | 5 | 98.5% |
| [Woking 007B](https://openindex.co.uk/woking/neighbourhood/e01030975) | 1,436 | 71.7 per 1,000 | 8 | 94.6% |
| [Woking 007C](https://openindex.co.uk/woking/neighbourhood/e01030976) | 1,502 | 71.8 per 1,000 | 9 | 99.5% |
| [Woking 007D](https://openindex.co.uk/woking/neighbourhood/e01030977) | 1,776 | 90.7 per 1,000 | 7 | 98.5% |
| [Woking 007E](https://openindex.co.uk/woking/neighbourhood/e01030979) | 2,085 | 252.7 per 1,000 | 8 | 99.5% |
| [Woking 008A](https://openindex.co.uk/woking/neighbourhood/e01030954) | 2,423 | 402.7 per 1,000 | 7 | 50.8% |
| [Woking 008B](https://openindex.co.uk/woking/neighbourhood/e01030969) | 1,488 | 70.2 per 1,000 | 10 | 99.0% |
| [Woking 008C](https://openindex.co.uk/woking/neighbourhood/e01030970) | 1,453 | 62.5 per 1,000 | 8 | 100.0% |
| [Woking 009A](https://openindex.co.uk/woking/neighbourhood/e01030960) | 1,748 | 74.4 per 1,000 | 8 | 97.4% |
| [Woking 009B](https://openindex.co.uk/woking/neighbourhood/e01030961) | 1,936 | 29.5 per 1,000 | 10 | 100.0% |
| [Woking 009C](https://openindex.co.uk/woking/neighbourhood/e01030962) | 1,633 | 53.2 per 1,000 | 4 | 99.8% |
| [Woking 009D](https://openindex.co.uk/woking/neighbourhood/e01031000) | 1,494 | 45.8 per 1,000 | 10 | 94.8% |
| [Woking 010A](https://openindex.co.uk/woking/neighbourhood/e01030955) | 1,371 | 23.2 per 1,000 | 10 | 99.0% |
| [Woking 012C](https://openindex.co.uk/woking/neighbourhood/e01030978) | 2,296 | 50.0 per 1,000 | 9 | 95.4% |

## Your MP

- [Woking](https://openindex.co.uk/constituency/woking): Mr Will Forster (Liberal Democrat), MP since July 2024. 100% of the people here.
- [Surrey Heath](https://openindex.co.uk/constituency/surrey-heath): Dr Al Pinkerton (Liberal Democrat), MP since July 2024. 0.1% of the people here.

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

## Middle areas in GU21

[Goldsworth Park](https://openindex.co.uk/woking/goldsworth-park), [Horsell](https://openindex.co.uk/woking/horsell), [Knaphill](https://openindex.co.uk/woking/knaphill), [Sheerwater](https://openindex.co.uk/woking/sheerwater), [St John's](https://openindex.co.uk/woking/st-johns), [Woking Central](https://openindex.co.uk/woking/woking-central)

## Postcode sectors in GU21

[GU21 2 (252 postcodes)](https://openindex.co.uk/postcode/gu21-2), [GU21 3 (165 postcodes)](https://openindex.co.uk/postcode/gu21-3), [GU21 4 (259 postcodes)](https://openindex.co.uk/postcode/gu21-4), [GU21 5 (207 postcodes)](https://openindex.co.uk/postcode/gu21-5), [GU21 6 (113 postcodes)](https://openindex.co.uk/postcode/gu21-6), [GU21 7 (74 postcodes)](https://openindex.co.uk/postcode/gu21-7), [GU21 8 (83 postcodes)](https://openindex.co.uk/postcode/gu21-8), [GU21 9 (2 postcodes)](https://openindex.co.uk/postcode/gu21-9)

## Council

[Woking](https://openindex.co.uk/woking)

## Towns in GU21

[New Haw, West Byfleet and Sheerwater](https://openindex.co.uk/town/new-haw-west-byfleet-and-sheerwater), [Woking](https://openindex.co.uk/town/woking)

## Postcode districts next to GU21

[GU22](https://openindex.co.uk/postcode/gu22), [GU24](https://openindex.co.uk/postcode/gu24), [KT14](https://openindex.co.uk/postcode/kt14), [KT15](https://openindex.co.uk/postcode/kt15), [KT16](https://openindex.co.uk/postcode/kt16)

## Nearest rail stations

[Brookwood (2.8 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.6358,51.3038), [Woking (3.2 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.5570,51.3185), [Worplesdon (3.6 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.5826,51.2890)

## More in the GU postcode area

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

## GU21 in brief

GU21 is a postcode district covering Woking, Knaphill and Horsell, in Woking.
About 51,773 people lived in GU21 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £412,500 in 2025 across 701 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 89.2 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in GU21 was £412,500 in 2025.
GU21 had 50,662 usual residents at the census.
About 0% of people in GU21 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In GU21, 90.3% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: GU21
- Postcode area: [GU](https://openindex.co.uk/postcode/gu)
- Constituency: [Woking †](https://openindex.co.uk/constituency/woking)
- Council: [Woking †](https://openindex.co.uk/woking)
- Area: 20.14 km²
- People, mid-2024: 51,773*
- Neighbourhoods: 31
- Output areas: 158

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[GU24](https://openindex.co.uk/postcode/gu24), [GU22](https://openindex.co.uk/postcode/gu22), [KT15](https://openindex.co.uk/postcode/kt15), [KT16](https://openindex.co.uk/postcode/kt16), [KT14](https://openindex.co.uk/postcode/kt14)

## Latest updates for GU21

- 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/GU21

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/gu21, or to one figure with its anchor, https://openindex.co.uk/postcode/gu21#f-house-sales-median-price.

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/gu21
