Welwyn Roman Baths

Tunnel through time to the world of the Romans - with a visit to Welwyn Roman Baths. You can't take a hot bath any more - the boiler went out about 1,800 years ago when the Romans left!

Roman Baths Entrance Tunnel
Roman Baths Entrance Tunnel
But you can see some fascinating remains which have survived from their time. Learn about how the Romans liked to relax with an elegant culture of bathing, and admire their creativity and style. 
Welwyn Roman Baths
Welwyn Roman Baths
The bath house remains are a scheduled ancient monument and were once part of a fine villa. The layout of the cold, warm and hot rooms and the heating system are remarkably well preserved.  The baths are ingeniously preserved in a steel vault under the A1(M) motorway at its junction with the A1000 - just off the central roundabout of the Welwyn By-Pass.  You can find out how this vault was built.

Welwyn Roman Baths
Also on display are archaeological finds from the Welwyn area and an exhibition devoted to the history of the site, which was uncovered during the 1960s and 70s by the Welwyn Archaeological Society.

pdf icon Click here for more information about the bath-house site [2MB]  and the Dicket Mead Villa that it was originally part of.

or pdf icon Click here for more information about the Baths in German [228KB]

or pdf icon Click here for more information about the Baths in French [213KB]

or pdf icon Click here for more information about the Baths in Polish [701KB]

Roman Day event

At Welwyn Roman Baths

Sunday 24 June, 2-5pm

As part of Welwyn Festival, there will be lots of fun with themed children's activities, sand pit archaeology, storytelling, demonstration, dress up as a Roman, play Roman games and discover some Roman foods. Tony Rook will be giving fascinating talks and signing books.


Holiday Activities at Welwyn Roman Baths

Activities take place between 2 - 4pm. No booking required but due to the drop in nature of these activities places are limited and are provided on a first come first served basis.  Children must be accompanied by an adult. Suitable for ages 4+.  Free admission for one adult with each child taking part in a paid activity.  Admission is otherwise £3.50 per adult.

Holiday Activities






SummerMonday 30 JulyClay Play - Roman mosaics

Be inspired by Roman patterns and create a mosaic to take home using clay and bright coloured tiles.


£3.50 per child per session
SummerMonday 6 AugustFun with Nature!

Get outside and try out our nature craft activities!


£3.50 per child per session
SummerMonday 13 AugustAncient Amber Carving

Carve a sculpture, or make a beaded necklace using soap to look like ancient amber.


£3.50 per child per session
SummerMonday 20 AugustArty Crafty Bags

Design and create your own canvas bag ready for adventures!


£3.50 per child per session
SummerMonday 27 AugustClay Play - Frescos

Romans painted onto wet plaster to create frescos in their houses. Make your own using clay and paints.


£3.50 per child per session


Opening Times

The baths are open to the public from January to November but closed throughout December.

  • Weekends and Bank Holidays  2 - 5pm, (or dusk if earlier).  Last admission is at 4.30 pm.
  • Hertfordshire School Holidays 2 - 5pm (or dusk if earlier) except for the Christmas holidays when we are closed. 


Summer Holidays 2018

Open every day 2-5pm from Saturday 28 July - Sunday 2 September


As the site is open for limited hours please phone or email Mill Green Museum for more details regarding the bath-house.


  • Children under 16 FREE
  • Adults £3.50
  • Evening and group visits such as Schools, Cubs, Brownies, adult clubs and societies can easily be accommodated by appointment. Please email or phone to book first. We can open for your group or an evening visit by special arrangement - phone to discuss or email Mill Green Museum.

Annual Admission £20.00 *

For one adult for unlimited FREE entry to both Mill Green and Welwyn Roman Baths for twelve months.  Please support us by buying this ticket. A 50% discount is offered for a second adult living at the same address.

* Excluding any special event days.


  • Car parking on site.
  • Visitor toilet facilities are available on site.
  • Picnic area.
  • Refreshments can be bought from nearby Welwyn Village.

Access for Everyone

We are committed to making our activities, premises and exhibitions accessible to everyone. Car parking includes a disabled bay, entrance is approximately 200 metres from car park on a level path.  All areas are fully accessible. Toilets have full access.   Access for Everyone provides more details.


Welwyn Roman Baths,

Welwyn Bypass,



Travelling By Car

Museum map
Museum map
The satnav code for the Roman Baths is AL6 9FG.

Leave the A1(M) at Junction 6.

  • If travelling from the South:
    • At the roundabout at the end of the slip road go forward (2nd exit)
    • Bear left
    • At the next roundabout turn right (3rd exit)
    • Welwyn Roman Baths are immediately on the left
  • If travelling from the North:
    • At the roundabout at the end of the slip road turn right (3rd exit) under the motorway
    • At the next roundabout go right around (3rd exit) to return on the same road
    • Welwyn Roman Baths are immediately on the left

Please note there are no significant buildings to be seen as the museum is underground.  There is parking on site.

Travelling By Train

The Roman Baths are situated 1.3 miles from Welwyn North Station.

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