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AL7 3NB
Home, House Prices, Knella Road, Welwyn Hatfield, East of England
AL7 3NB

Knella Road - AL7 3NB

Last updated Jul 2026

Key Postcode Insights

AL7 3NB is a residential postcode situated on Knella Road, Welwyn Garden City, AL7 with 8 addresses.

It ranks as the 153rd largest and 358th most expensive of the 785 postcodes in the AL7 area. The most common property type is a modern flat built after 1980.

The postcode contains a total of 8 properties: 4 houses and 4 flats.

Ave. Sale Price
£378,837
10 Year change
up 2.8%
Ave. Rental Price
£1,658pcm
10 Year change
up 41.8%
Ave. £ per ft²
£383/ft²
Ave. Gross Yield
5.3%/year/yr
All figures are subject to T&Cs
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Explore Propertiesin AL7 3NB

House
4 houses
Group
4 flats

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data sources

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Sales Market Trends

The current average value in the postcode is £378,837.
The AL7 3NB Sales Market has increased by 2.8% over the last 10 years.

PeriodYear on YearAverage Price
June 2026-1.4%£378,837
June 2025-2.8%£384,170
June 2024-2.2%£395,259
June 20232.5%£404,033
June 20224.1%£393,996
June 20213%£378,496
June 20202.2%£367,398
June 2019-2.2%£359,370
June 2018-2.5%£367,453
June 20172.3%£376,892
June 201615.1%£368,488
June 201512.5%£320,227
June 201414.3%£284,524
June 20133.8%£249,022
June 2012-0.2%£239,813
June 20110.4%£240,201
June 201011.8%£239,267
June 2009-11.5%£214,008
June 2008-3.2%£241,866
June 20070%£249,894
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Rental Market Trends

The current average rental value in the postcode is £1,658.
The AL7 3NB Rental Market has increased by 41.8% over the last 10 years.

PeriodYear on YearAverage Price
June 20264.5%£1,658pcm
June 20253.1%£1,586pcm
June 20248.1%£1,538pcm
June 20238.5%£1,423pcm
June 20227.4%£1,311pcm
June 20213.8%£1,221pcm
June 20200.3%£1,176pcm
June 20191%£1,172pcm
June 20180.3%£1,161pcm
June 2017-1%£1,158pcm
June 20164.9%£1,170pcm
June 20153.6%£1,115pcm
June 20145.6%£1,076pcm
June 20130.1%£1,019pcm
June 20122.8%£1,018pcm
June 20113%£991pcm
June 20106.7%£962pcm
June 2009-5.8%£902pcm
June 20083.3%£957pcm
June 20070%£926pcm
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Nearby Postcodes

AL7 3NB is the 153rd largest and the 358th most expensive postcode out of the 785 postcodes in the AL7 area.

properties list title title

Property Types

  • 4 modern houses built after 1980
  • 4 modern flats built after 1980
  • modern house (4)
  • modern flat (4)
Energy Efficiency

Energy Efficiency

  • Energy Performance Certificate (EPC) surveys conducted for 8 properties.
  • The most common rating is C.
  • A (0)
  • E (0)
  • B (0)
  • F (0)
  • C (6)
  • G (0)
  • D (2)
  • No EPC (0)
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Top 3 Most Expensive Sales

Schools Nearby

Schools Nearby

The nearest primary school to AL7 3NB is Holwell Primary School, which is 300 metres away.
  • Holwell Primary School
    300 m away
  • Peartree Primary School
    300 m away
  • Swallow Dell Primary and Nursery School
    600 m away
The nearest secondary school is Ridgeway Academy, which is 1.2 kilometres away.
  • Ridgeway Academy
    1.2 km away
  • Stanborough School
    1.9 km away
  • Monk's Walk School
    2.9 km away
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Schools and house prices
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearby

The closest station to AL7 3NB is Welwyn Garden City station, which is 800 metres away.

  • Welwyn Garden City
    |
    800 m away
  • Welwyn North
    |
    3.0 km away
  • Hatfield (Herts)
    |
    3.9 km away
  • Welham Green
    |
    6.8 km away
Source: National Rail
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