HM Land Registry records the plot of land for 21, Seaview Avenue, Basildon as measuring 427 m².

That makes it the 12th largest plot in the postcode, where 27 of the 30 other houses have recorded plot data.

21, Seaview Avenue, Basildon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Jul 2016.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 21, Seaview Avenue, Basildon completed on 6th March 2020 at £375,000 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 26.1% over the period since March 2020.

Since 2014 71 properties similar to 21, Seaview Avenue, Basildon have sold within a radius of 750 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 5th June 2026, was 7, The Vale, Basildon, SS16 4RL, a freehold house which sold for £460,000.

Read more about house prices in SS16.

• Sold Jun 2026£460,000 | 3 Bed House7, The Vale, Basildon, SS16 4RL7, The Vale, Basildon, SS16 4RL
• Sold May 2026£450,000 | 3 Bed House41, Mountview Close, Basildon, SS16 4RN41, Mountview Close, Basildon, SS16 4RN
• Sold Apr 2026£385,000 | 4 Bed House15, Leon Drive, Basildon, SS16 4RJ15, Leon Drive, Basildon, SS16 4RJ
• Sold Oct 2025£355,000 | 3 Bed House36, Downs Grove, Basildon, SS16 4QL36, Downs Grove, Basildon, SS16 4QL
• Sold Jul 2025£370,000 | 3 Bed House40, Downs Grove, Basildon, SS16 4QL40, Downs Grove, Basildon, SS16 4QL
• Sold Jan 2025£350,000 | 3 Bed House33, The Vale, Basildon, SS16 4RL33, The Vale, Basildon, SS16 4RL
• Sold May 2023£327,500 | 3 Bed House42, Downs Grove, Basildon, SS16 4QL42, Downs Grove, Basildon, SS16 4QL
• Sold May 2023£362,000 | 3 Bed House57, Downs Grove, Basildon, SS16 4QL57, Downs Grove, Basildon, SS16 4QL
• Sold Dec 2022£450,000 | 3 Bed House25, The Vale, Basildon, SS16 4RL25, The Vale, Basildon, SS16 4RL
• Sold Jan 2022£425,000 | 3 Bed House8, Mountview Close, Basildon, SS16 4RN8, Mountview Close, Basildon, SS16 4RN
• Sold Jun 2021£400,000 | 3 Bed House6, Mountview Close, Basildon, SS16 4RN6, Mountview Close, Basildon, SS16 4RN
• Sold Mar 2021£350,000 | 3 Bed House6, The Vale, Basildon, SS16 4RL6, The Vale, Basildon, SS16 4RL
• Sold Jul 2020£315,000 | 3 Bed House10, Downs Grove, Basildon, SS16 4QL10, Downs Grove, Basildon, SS16 4QL
• Sold Jan 2019£345,000 | 3 Bed House2, Downs Grove, Basildon, SS16 4QL2, Downs Grove, Basildon, SS16 4QL
• Sold Jul 2018£360,000 | 3 Bed House41, Seaview Avenue, Basildon, SS16 4QZ41, Seaview Avenue, Basildon, SS16 4QZ
• Sold Mar 2017£293,000 | 3 Bed House28, Downs Grove, Basildon, SS16 4QL28, Downs Grove, Basildon, SS16 4QL
• Sold Mar 2017£265,000 | 3 Bed House31, The Vale, Basildon, SS16 4RL31, The Vale, Basildon, SS16 4RL
• Sold Dec 2014£330,000 | 4 Bed House34, Seaview Avenue, Basildon, SS16 4QZ34, Seaview Avenue, Basildon, SS16 4QZ
• Sold May 2014£250,000 | 3 Bed House11, Seaview Avenue, Basildon, SS16 4QZ11, Seaview Avenue, Basildon, SS16 4QZ
• Sold Feb 2014£190,000 | 3 Bed House24, Downs Grove, Basildon, SS16 4QL24, Downs Grove, Basildon, SS16 4QL

Of the 43 addresses on Seaview Avenue, Basildon, SS16, 21, Seaview Avenue, Basildon comes out as the 25th largest and the 25th most expensive in our analysis of the public data.

It is also £34k more expensive than the average property across the SS16 district.

• Vange Primary School and Nursery

  500 m away
• Ryedene Primary and Nursery School

  700 m away
• Bardfield Academy

  900 m away

• Woodlands School

  1.8 km away
• The Basildon Lower Academy

  1.9 km away
• The Basildon Upper Academy

  2.2 km away

• Pitsea

  |

  1.9 km away
• Basildon

  |

  2.0 km away
• Laindon

  |

  4.0 km away

The flood risk here is rated Very Low, based on Environment Agency data.