Underdown, Welwyn

Last updated June 2026

Underdown, Welwyn

Last updated June 2026

Description & Estimates

Go to Data Sources

We do not yet hold enough data on Underdown, Welwyn to publish accurate value estimates.

Sales and lets nearby suggest a likely sale value of £1.34m to £1.75m, with the monthly rental value between £4k and £5k.

Tewin Close, Tewin, Welwyn, AL6 lies in the borough of East Hertfordshire, within the AL6 postal district.

What is a property digital twin?

Where do you get your data?

Why do Bricks&Logic publish data about my house?

All figures are subject to T&Cs

Poor local data quality

A lack of good public data can lead to lower confidence value estimates.

Estimated Sales Value

£1.34m - £1.75m

Estimated Rental Value

£4.0k - £5.0k pcm

Our Data Sources

Underdown, Welwyn has no records in either the Land Registry or EPC database.

The local information is scored as 1 out of 5 and is considered of low accuracy.

1Sales dated prior to 2007 are shown, but are not used in our calculations.

What is an EPC?

What is the Land Registry?

What is the Office of National Statistics?

What is the Ordnance Survey?

Public data including the Land Registry and EPC Register is processed and republished under the Government Open Data Licence

All values are estimates based on available data. All data and other content are provided subject to our Terms & Conditions

Recent Market Change

Across the last 12 months, sale values in this area have decreased by 1.7% while rental values have increased by 2.9%.

Unlock real time insights into current house prices

A new approach to house price indices

All figures are subject to T&Cs

Properties Sold Nearby

Land Registry records and our Estate Agent network show 3 sales within 2.2 kilometres of Underdown, Welwyn across the last 2 years.

Most recently, Dapple Lights, Tewin Close, Welwyn, AL6 0HF, a freehold house, sold at £975,000 on the 12th October 2018.

Schools Nearby

Tewin Cowper Church of England Voluntary Aided Primary School is the closest primary school to Underdown, Welwyn at 2.0 kilometres away.

2.0
km
Tewin Cowper Church of England Voluntary Aided Primary School
2.2
km
St John's CofE Primary School
2.4
km
St Michael's Woolmer Green CofE VA Primary School

Ridgeway Academy is the closest secondary school at 3.4 kilometres.

3.4
km
Ridgeway Academy
3.5
km
Monk's Walk School
5.6
km
The Sele School

Schools and house prices

Source: Ofsted 2026

Public Transport Nearby

Welwyn North station is the nearest stop to Underdown, Welwyn at 2.1 kilometres away.

2.1
km
Welwyn North
4.1
km
Watton-at-Stone
4.2
km
Knebworth

Source: National Rail

Available Internet Speeds

Ofcom's latest figures show superfast broadband available in this area.

Superfast

7.7 mbps

Max upload

42.3 mbps

Max download

According to recent data from Ofcom, Superfast broadband is available in the area.

Max Upload

7.7 mbps

Max Download

42.3 mbps

Source: Ofcom (May 2026)

Risk of Flooding

Environment Agency data suggests this area has a very low risk of flooding.

Very low floodriskin this area

Local Flood RiskVery low

Source: Environment Agency (2024)

Home Ownership Nearby

The recent census recorded whether a resident owned or rented their home.

In the area around Underdown, Welwyn, 53.7% of property is privately owned outright and 29.1% is privately owned with a mortgage.

The graph below shows how this compares to East of England and the rest of England & Wales.

This area

East of England

England & Wales

Owned (Outright)

Owned (Mortgage)

Shared ownership

Rented (Social)

Rented (Private)

Source: ONS Census (2021)

Education Levels in the Area

The recent census recorded the highest level of education achieved by residents in the local area.

In the area around Underdown, Welwyn, 18.1% of residents are recorded as possessing school level qualifications and 48.4% as possessing degree level qualifications.

The graph below shows how this compares to East of England and the rest of England & Wales.

This area

East of England

England & Wales

School Students

Students 16+

Degree educated

Other

Source: ONS Census (2021)

Average Age of Residents

Average age

The most recent census in 2021 recorded the age of all UK residents.

In the area around Underdown, Welwyn, the average age was 44.1 and the most common age was 57.

Within this area

Within East of England

England & Wales

Age distribution

The graph below shows how this compares to East of England and the rest of England & Wales

Source: ONS Census (2021)

Number of Second Homes

The recent census recorded whether a property was a primary or secondary home for the resident.

In the area around Underdown, Welwyn, 3.5% of property was a second home.

Comparison figures for East of England and the rest of England & Wales are listed below.

3.5%

Within this area

0.9%

Within East of England

0.8%

England & Wales

Source: ONS Census (2021)

Average Cars per Home

The recent census recorded the number of cars registered in each household.

In the area around Underdown, Welwyn, there are an average of 2.0 cars per household.

See below for how this compares to East of England and the rest of England & Wales.

2.0

Within this area

1.4

Within East of England

1.2

England & Wales

Source: ONS Census (2021)

Estate Agents active nearby!

Estate Agents active nearby!

Underdown, Welwyn

Description & Estimates

Our Data Sources

Recent Market Change

Properties Sold Nearby

Schools Nearby

Public Transport Nearby

Available Internet Speeds

Risk of Flooding

Home Ownership Nearby

Education Levels in the Area

Average Age of Residents

Average age

Age distribution

Number of Second Homes

Average Cars per Home

Latest from Bricks&Logic

Home Ownership Nearby

Education Levels in the Area

Average Age of Residents

Average age

Age distribution

Number of Second Homes

Average Cars per Home