Our Data Sources
21, Sidwell Avenue, Benfleet has 2 entries in the Land Registry, most recently in March 2016 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Sidwell Avenue, Benfleet, we estimate a market value of £563,526 and a rental value of £2,317 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £499,123 and £2,052 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Sidwell Avenue, Benfleet as measuring 508 m2.
That makes it the 9th largest plot in the postcode, where 38 of the 41 other houses have recorded plot data.
Sold Prices
The most recent sale of 21, Sidwell Avenue, Benfleet completed on 15th March 2016 at £410,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 26.2% over the period since March 2016.
- Sold Mar 2016£410,000
- Sold Apr 2008£263,000
Similar Properties Sold Nearby
Since 2016 153 properties similar to 21, Sidwell Avenue, Benfleet have sold within a radius of 1.1 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 26th January 2026, was 70, St. Marys Drive, Benfleet, SS7 1LH, a freehold house which sold for £490,000.
Read more about house prices in SS7.
- Sold Jan 2026£490,000 | 4 Bed House70, St. Marys Drive, Benfleet, SS7 1LH70, St. Marys Drive, Benfleet, SS7 1LH
- Sold Oct 2025£425,000 | 4 Bed House47A, Hall Farm Road, Benfleet, SS7 5JS47A, Hall Farm Road, Benfleet, SS7 5JS
- Sold Oct 2025£557,000 | 4 Bed House2, Sidwell Park, Benfleet, SS7 1LQ2, Sidwell Park, Benfleet, SS7 1LQ
- Sold Jul 2025£505,000 | 4 Bed House12, Grosvenor Road, Benfleet, SS7 1NP12, Grosvenor Road, Benfleet, SS7 1NP
- Sold Jul 2025£250,000 | 4 Bed House16, Green Road, Benfleet, SS7 5JT16, Green Road, Benfleet, SS7 5JT
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 £506,479, ranging from £365,685 to £640,115.
- 23 Sidwell Avenue
4 Bed House | 9 m | Est. Value: £502,794
- 17 Sidwell Avenue
3 Bed House | 15 m | Est. Value: £423,417
- 25 Sidwell Avenue
4 Bed House | 19 m | Est. Value: £544,913
- 25A Sidwell Avenue
4 Bed House | 26 m | Est. Value: £553,256
- 15 Sidwell Avenue
4 Bed House | 26 m | Est. Value: £483,739
Location Comparison
Of the 41 addresses on Sidwell Avenue, Benfleet, SS7, 21, Sidwell Avenue, Benfleet comes out as the 19th largest and the 19th most expensive in our analysis of the public data.
It is also £116k more expensive than the average property across the SS7 district.
More reading links
Schools Nearby
- South Benfleet Primary School900 m away
- Kents Hill Infant Academy1.7 km away
- Kents Hill Junior School1.7 km away
- The King John School2.1 km away
- The Appleton School2.1 km away
- The Cornelius Vermuyden School2.2 km away
More reading links
Public Transport Nearby
- Benfleet|600 m away
- Pitsea|4.6 km away
- Leigh-on-Sea|5.0 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












