Welwyn Hatfield
§ This page gives an overview of the Welwyn Hatfield local authority district, bringing together key facts, maps, and data to help you quickly understand the area. One of 361 district profiles on Baseview.
Overview ⁞ Welwyn Hatfield encompasses a mix of historic and modern towns in Hertfordshire. Welwyn Garden City, one of the earliest planned garden cities, is notable for its tree-lined boulevards, green spaces, and modernist design, while Hatfield has historic links through Hatfield House, a grand Jacobean mansion set in extensive parkland. The River Lea flows nearby, and smaller villages such as Welwyn preserve ancient churches and archaeological sites. The combination of historic estates, innovative town planning, and scenic countryside defines the district.
The administrative boundary of Welwyn Hatfield can be viewed on OpenStreetMap: District Boundary of Welwyn Hatfield.

Key Facts about Welwyn Hatfield
What region is Welwyn Hatfield in? Welwyn Hatfield is in the East of England of England, a region within the UK.
What county is Welwyn Hatfield in? Welwyn Hatfield is located in the county of Hertfordshire.
Is Welwyn Hatfield a city? No, Welwyn Hatfield is not a city. (Note: the UK has 76 officially designated cities.)
Who governs Welwyn Hatfield? The local authority for this district is: Welwyn Hatfield Borough Council - responsible for district-level services. Since Hertfordshire is a two-tier area, county-level services are handled by: Hertfordshire County Council.
▶ Official website of Welwyn Hatfield Borough Council 🔗 welhat.gov.uk

Which police force covers Welwyn Hatfield? Policing in Welwyn Hatfield is provided by Hertfordshire Constabulary 🔗 herts.police.uk, which serves 10 local authority districts: Broxbourne ⁞ Dacorum ⁞ East Hertfordshire ⁞ Hertsmere ⁞ North Hertfordshire ⁞ St Albans ⁞ Stevenage ⁞ Three Rivers ⁞ Watford ⁞ Welwyn Hatfield.
Constituencies in Welwyn Hatfield
A constituency is a specific geographical area that elects one Member of Parliament (MP) to represent them in the House of Commons. The United Kingdom is divided into 650 parliamentary constituencies. We have this list page for easy browsing of all UK parliamentary constituencies: List of Constituencies.
Wards in Welwyn Hatfield
Welwyn Hatfield is divided into 16 wards, listed below in alphabetical order.
- Brookmans Park and Little Heath
- Haldens
- Handside
- Hatfield Central
- Hatfield East
- Hatfield South West
- Hatfield Villages
- Hollybush
- Howlands
- Northaw and Cuffley
- Panshanger
- Peartree
- Sherrards
- Welham Green and Hatfield South
- Welwyn East
- Welwyn West
In the UK, a ward is a subdivision of a local authority area, used mainly for electoral and statistical purposes. Defined by the ONS, wards represent the primary unit for local elections, each returning one or more councillors to the local council. Wards are also used as a key geography for presenting population and census data.
Parishes in Welwyn Hatfield
Welwyn Hatfield is part-parished: 8 civil parishes (listed A-Z below) alongside 2 unparished areas.
- Ayot St Lawrence
- Ayot St Peter
- Essendon
- Hatfield
- North Mymms
- Northaw and Cuffley
- Welwyn
- Woolmer Green
A civil parish is the lowest tier of local government in England, used for villages, small towns, and suburbs. They have their own local authority, either a parish council or a parish meeting, which provides local services like managing parks, allotments, and streetlights, and represents the community's views to larger councils.
Built-up Areas in Welwyn Hatfield
Welwyn Hatfield covers 17 built-up areas, listed below in alphabetical order.
- Brookmans Park
- Colney Heath *
- Cuffley *
- Datchworth *
- Essendon
- Hatfield *
- Knebworth *
- Newgate Street
- North Mymms *
- Northaw
- Oaklands *
- Potters Bar *
- Tewin Wood *
- Welham Green
- Welwyn
- Welwyn Garden City *
- Woolmer Green
In the UK, a Built-up Area (BUA) is a continuous urban area of at least 20 hectares (0.2 km²), defined by the ONS as land where buildings are generally no more than 200 metres apart, such as towns, cities, or large villages. (Note: A BUA name marked with an asterisk (*) indicates that the area is situated partly in the district of Welwyn Hatfield.)
Welwyn Hatfield compared with other districts in the UK
This section shows how Welwyn Hatfield compares with other local authority districts in the UK, using a variety of measures and rankings.
Welwyn Hatfield has 16 electoral wards.

Welwyn Hatfield has a population of 122,819 (2024 mid-year estimate by ONS)

More local statistics and data for Welwyn Hatfield can be found on the ONS statistics for Welwyn Hatfield.