# SG3 6LZ: area report for a postcode in Welwyn Hatfield

SG3 6LZ is a postcode in Welwyn Hatfield.

A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Welwyn Hatfield. Open the map at SG3 6LZ for neighbourhoods and points.

In: [Welwyn Hatfield](https://openindex.co.uk/welwyn-hatfield) › [SG3](https://openindex.co.uk/postcode/sg3) › [SG3 6](https://openindex.co.uk/postcode/sg3-6)

## Around this postcode

- **0 crimes within 500 m**: August, down 100% on July. Welwyn Hatfield 001C: 45 a year per 1,000 people. (Map point) https://openindex.co.uk/map/street-crime?around=-0.1769,51.8492,SG36LZ
- **Knebworth, 2.1 km**: About 26 minutes on foot. (Exact point) https://openindex.co.uk/map/stations?around=-0.1769,51.8492,SG36LZ
- **1 school within 800 m**: Nearest is 360 m away. (Exact point) https://openindex.co.uk/map/schools?around=-0.1769,51.8492,SG36LZ
- **No property in SG3 6LZ listed at risk of flooding**: From rivers or the sea, with flood defences, in the Environment Agency's assessment. (Postcode) https://openindex.co.uk/map/flood-risk-by-postcode?around=-0.1769,51.8492,SG36LZ
- **England’s least deprived 20%**: This neighbourhood, Welwyn Hatfield 001C. (Neighbourhood) https://openindex.co.uk/map/deprivation-england?around=-0.1769,51.8492,SG36LZ
- **£448,681 average price**: For the whole of Welwyn Hatfield, July 2026. (Council) https://openindex.co.uk/map/house-prices?around=-0.1769,51.8492,SG36LZ
- **No GP practices within 1 km**: Nearest is 1.9 km away. (Postcode) https://openindex.co.uk/map/gp-practices?around=-0.1769,51.8492,SG36LZ
- **1 supermarket within 1 km**: Nearest is 820 m away. (Exact point) https://openindex.co.uk/map/supermarkets?around=-0.1769,51.8492,SG36LZ
- **Gigabit broadband for every home and business at SG3 6LZ**: Superfast for 100%. What can be ordered, January 2026. (Postcode) https://openindex.co.uk/map/broadband-by-postcode?around=-0.1769,51.8492,SG36LZ
- **Low road and rail noise at SG3 6LZ**: Road 50 dB, rail under 40 dB or not modelled (Lden, modelled for 2021) (Postcode) https://openindex.co.uk/map/noise-by-postcode?around=-0.1769,51.8492,SG36LZ
- **In a radon Affected Area, class 2 of 6**: 1% to 3% of homes in this 1 km square are estimated to be at or above the radon Action Level. (1 km grid) https://openindex.co.uk/map/radon?around=-0.1769,51.8492,SG36LZ
- **9.9 µg/m³ nitrogen dioxide**: Modelled yearly average for this 1 km square, 2025. (1 km grid) https://openindex.co.uk/map/nitrogen-dioxide?around=-0.1769,51.8492,SG36LZ

## Nearest schools

| School | Phase | Distance | Ofsted | Results |
| --- | --- | --- | --- | --- |
| [St Michael's Woolmer Green CofE VA Primary School](https://openindex.co.uk/school/st-michaels-woolmer-green-cofe-va-primary-school-e117461) | Primary | 360 m (5 minutes on foot) | School remains Good, November 2022 | 82% met the expected standard at KS2 (2024/25) |
| [All Saints Church of England Voluntary Aided Primary School, Datchworth](https://openindex.co.uk/school/all-saints-church-of-england-voluntary-aided-primary-school-datchworth-e117430) | Primary | 1.3 km (16 minutes on foot) | Good (overall), June 2024 | 67% met the expected standard at KS2 (2024/25) |
| [Oaklands Primary School](https://openindex.co.uk/school/oaklands-primary-school-e117261) | Primary | 1.6 km (20 minutes on foot) | Good (overall), July 2023 | 60% met the expected standard at KS2 (2024/25) |
| [Knebworth Primary and Nursery School](https://openindex.co.uk/school/knebworth-primary-and-nursery-school-e117120) | Primary | 1.8 km (22 minutes on foot) | School remains Good, May 2023 | 64% met the expected standard at KS2 (2024/25) |

## Recent sales nearby

| Month | Price | Home | Distance |
| --- | --- | --- | --- |
| June 2026 | £462,500 | Semi-detached, established, freehold | 40 m |
| March 2026 | £232,500 | Terraced, established, freehold | 160 m |
| July 2026 | £450,000 | Terraced, established, freehold | 250 m |
| December 2025 | £300,000 | Terraced, established, freehold | 280 m |
| February 2023 | £453,000 | Semi-detached, established, freehold | 350 m |
| August 2026 | £590,000 | Semi-detached, established, freehold | 360 m |
| June 2025 | £575,000 | Terraced, established, freehold | 380 m |
| February 2026 | £452,000 | Terraced, established, freehold | 380 m |

## Within 1 km

- Supermarkets: Tesco Woolmer Green Express (820 m, Tesco)

## Key figures

- **Average house price: £448,681** (July 2026). Welwyn Hatfield’s average house price was £448,681 in July 2026 (HM Land Registry). Up 3.0% in a year. Source: UK House Price Index, July 2026. Published 16 September 2026.
- **Median full-time pay: £45,145** (2025). Full-time workers living in Welwyn Hatfield earned a median of £45,145 in 2025 (ONS earnings survey). 48th highest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 9.9×** (2025). A home in Welwyn Hatfield costs 9.9 times local full-time pay. Joint 56th least affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 16 September 2026.
- **Deprivation score: 13.9** (2025). Welwyn Hatfield has a deprivation score of 13.9 in the English Indices of Deprivation 2025 (MHCLG). Joint 77th least deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## Welwyn Hatfield 001C (Neighbourhood)

- **Deprivation score: 7.8** (2025). Welwyn Hatfield 001C has a deprivation score of 7.8 in the English Indices of Deprivation 2025 (MHCLG). Joint 5,999th least deprived of 33,755. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.
- **Median sale price: £395,000** (2025). The median price paid for a home in Welwyn Hatfield 001C was £395,000 in 2025. Joint 8,928th most expensive of 31,750. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 1,409** (2021). Welwyn Hatfield 001C had 1,409 usual residents at the census (ONS Census 2021). Joint 18,597th least populated of 46,844. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026.
- **Gigabit broadband coverage: 89.0%** (January 2026). In Welwyn Hatfield 001C, 89.0% 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.

## SG3 (Postcode district)

- **Median sale price: £470,000** (2025). The median price paid for a home in SG3 was £470,000 in 2025. Joint 353rd most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 7,126** (2021). SG3 had 7,126 usual residents at the census (ONS Census 2021). 586th least 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.
- **People in radon Affected Area squares: 100%** (2022). About 100% of people in SG3 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.
- **Gigabit broadband coverage: 83.0%** (January 2026). In SG3, 83.0% 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.

## About

- Type: Postcode
- Council: [Welwyn Hatfield](https://openindex.co.uk/welwyn-hatfield)
- Centre: 51.8492, -0.1769

Council: [Welwyn Hatfield](https://openindex.co.uk/welwyn-hatfield) (District, 100%).

## Your MP

- [Welwyn Hatfield](https://openindex.co.uk/constituency/welwyn-hatfield): Andrew Lewin (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.

## Sources

- [Street-level crime](https://openindex.co.uk/sources/street-crime), August 2026 (Map point)
- [Rail and Tube stations](https://openindex.co.uk/sources/stations), 2024/25 (Exact point)
- [Schools](https://openindex.co.uk/sources/schools) (Exact point)
- [Flood risk by postcode](https://openindex.co.uk/sources/flood-risk-by-postcode), June 2026 (Postcode)
- [English Indices of Deprivation 2025](https://openindex.co.uk/sources/deprivation-england), 2025 (Neighbourhood)
- [Average house price](https://openindex.co.uk/sources/house-prices), July 2026 (Council)
- [GP practices](https://openindex.co.uk/sources/gp-practices) (Postcode)
- [Supermarkets](https://openindex.co.uk/sources/supermarkets) (Exact point)
- [Broadband by postcode](https://openindex.co.uk/sources/broadband-by-postcode), January 2026 (Postcode)
- [Road and rail noise by postcode](https://openindex.co.uk/sources/noise-by-postcode), 2021 (Postcode)
- [Radon potential](https://openindex.co.uk/sources/radon) (1 km grid)
- [Nitrogen dioxide (NO2)](https://openindex.co.uk/sources/nitrogen-dioxide), 2025 (1 km grid)

On the map: https://openindex.co.uk/map/sold-prices?around=-0.1769,51.8492,SG36LZ

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/sg3-6lz.

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 2026.10.8, https://doi.org/10.5281/zenodo.23508850. The HTML page: https://openindex.co.uk/postcode/sg3-6lz