Our Data Sources
9, Old Knowle Square, Farnham has a single entry in the Land Registry from October 2020 and a single entry in the EPC database dated December 2019.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 9, Old Knowle Square, Farnham would be worth £1,217,031, with a potential rental value of £2,843 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,077,942, with a rental value of £2,518 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
9, Old Knowle Square, Farnham occupies a 615 m2 plot as recorded by HM Land Registry.
All 9 other houses in this postcode have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
9, Old Knowle Square, Farnham has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 18 Dec 2019.
The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
9, Old Knowle Square, Farnham last changed hands on 16th October 2020, selling for £1,083,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 19.1% since October 2020.
- Sold Oct 2020£1,083,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 24 sales of comparable properties within 1.3 kilometres of 9, Old Knowle Square, Farnham since 2008.
Most recently, 18, Upper Old Park Lane, Farnham, GU9 0AT, a freehold house, sold at £1,500,000 on the 29th August 2025.
Read more about house prices in GU9.
- Sold Aug 2025£1,500,000 | 5 Bed House18, Upper Old Park Lane, Farnham, GU9 0AT18, Upper Old Park Lane, Farnham, GU9 0AT
- Sold Jan 2025£1,015,000 | 5 Bed House1, Park Row, Farnham, GU9 7JH1, Park Row, Farnham, GU9 7JH
- Sold Jul 2023£1,200,000 | 5 Bed House24, Upper Old Park Lane, Farnham, GU9 0AT24, Upper Old Park Lane, Farnham, GU9 0AT
- Sold Mar 2023£920,000 | 5 Bed House9, Upper Old Park Lane, Farnham, GU9 0AT9, Upper Old Park Lane, Farnham, GU9 0AT
- Sold Sep 2022£945,000 | 4 Bed House1, Reeve Drive, Farnham, GU9 0FH1, Reeve Drive, Farnham, GU9 0FH
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £821,042, ranging from £486,515 to £1,610,500.
- 8 Old Knowle Square
5 Bed House | 12 m | Est. Value: £1,393,059
- 1 Old Knowle Square
5 Bed House | 25 m | Est. Value: £1,175,543
- 7 Old Knowle Square
3 Bed House | 29 m | Est. Value: £572,626
- 6 Old Knowle Square
4 Bed House | 34 m | Est. Value: £771,710
- 5 Old Knowle Square
4 Bed House | 41 m | Est. Value: £771,710
Location Comparison
Our analysis of the public data ranks 9, Old Knowle Square, Farnham as the 4th largest and the 4th most expensive of the 9 addresses on Old Knowle Square, Farnham, GU9.
Against the GU9 postcode district average, it is £604k more expensive than the typical property.
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Schools Nearby
- Folly Hill Infant Academy700 m away
- Potters Gate CofE Primary School1.3 km away
- Hale Nursery & Primary Academy1.3 km away
- Farnham Heath End2.2 km away
- Weydon School2.5 km away
- All Hallows Catholic School2.7 km away
More reading links
Public Transport Nearby
- Farnham|2.0 km away
- Aldershot|4.3 km away
- Bentley (Hampshire)|6.3 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












