Detached
£775,416
67% above the Knebworth average
21.8% of sales
What is the average house price in Knebworth? £463,372
The average house price in Knebworth is £463,372, based on 63 homes sold in the 12 months to September 2026. Prices are down 10.2% (£52,679) on a year earlier.
- 1 year change
- −10.2%
- Sold in 12 months
- 63
- Data up to
- September 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in Knebworth?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£603,278
30% above the Knebworth average
30.6% of sales
Terraced
£374,223
19% below the Knebworth average
17.7% of sales
Flats
£245,521
47% below the Knebworth average
29.9% of sales
Are house prices in Knebworth going up or down?
House prices in Knebworth are falling: down 10.2% (£52,679) over the past year. Over the past 10 years, prices are up 7.3% (£31,366).
Past 12 months
−10.2%
−£52,679From £516,051 to £463,372
£516,958£449,333
Past 10 years
+7.3%
+£31,366From £432,006 to £463,372
£523,338£432,006
Quick answers for Knebworth
9 key facts at a glance.
When did prices peak?
£1,062,500
Highest average, reached in March 2014
How many homes sold?
63
Recorded so far for the 12 months to September 2026
What sells most often?
Semi-detached houses
30.6% of recent sales
What is the most common price range?
£500k - £1m
35.4% of sales
How many people live in Knebworth?
4,561
803 people per square mile · High (Census 2021)
Population density is High, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in Knebworth?
2,008
353 households per square mile · High (Census 2021)
Household density is High, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
How much green space is in Knebworth?
326 m² per resident
More green space per resident than 97% of areas in England and Wales. That's about 46 football pitches for every 1,000 residents.
10.1% of the area · 1 public park. Parks, playing fields, allotments and other public green space, not counting golf courses. Contains OS data © Crown copyright and database right 2026.
What is the crime rate in Knebworth?
42 crimes per 1,000 residents
Typical · −17.3% on the previous year · 12 months to September 2026
Crime rate is Typical, on a scale from Very Low to Very High.
Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
How does Knebworth rank?
31st most expensive area of North Hertfordshire.
Compared with 34 areas
What are the most expensive homes sold in Knebworth?
The highest recorded sale prices in Knebworth, from HM Land Registry.
#1 Most expensive sale
manor house park lane, hertfordshire
£3,600,000
Sold May 2017
View house details
How do house prices in Knebworth compare with nearby areas?
Knebworth compared with the 6 nearest other areas in North Hertfordshire.
Knebworth vs Codicote
- Knebworth
- £463,372
- Codicote
- £600,026+£136,654
Open comparison
Knebworth vs Langley
- Knebworth
- £463,372
- Langley
- £870,000+£406,628
Open comparison
Knebworth vs St Paul's Walden
- Knebworth
- £463,372
- St Paul's Walden
- £648,403+£185,031
Open comparison
Knebworth vs St Ippolyts
- Knebworth
- £463,372
- St Ippolyts
- £845,009+£381,637
Open comparison
Knebworth vs Wymondley
- Knebworth
- £463,372
- Wymondley
- £558,863+£95,491
Open comparison
Knebworth vs Great Ashby
- Knebworth
- £463,372
- Great Ashby
- £397,878−£65,494
Open comparison
Thinking of buying in Knebworth?
There's a lot to think about. Whether it's a home to live in or a buy-to-let, our free checklist walks you through what to check before you make an offer.
What to check before you buyWhere does this data come from?
Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
Last updated 6 November 2026 at 00:29 with the latest Land Registry data (September 2026). The Knebworth dataset covers 223 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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