HM Land Registry records the plot of land for 18, Sefton Avenue, Bognor Regis as measuring 633 m².

That makes it the 8th largest plot in the postcode, where all 17 other houses have recorded plot data.

18, Sefton Avenue, Bognor Regis has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Feb 2019.

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 18, Sefton Avenue, Bognor Regis completed on 7th June 2019 at £390,000 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 3.9% over the period since June 2019.

Since 2009 255 properties similar to 18, Sefton Avenue, Bognor Regis have sold within a radius of 680 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 11th December 2025, was 14, Blondell Drive, Bognor Regis, PO21 4BQ, a freehold house which sold for £427,500.

Read more about house prices in PO21.

• Sold Dec 2025£427,500 | 3 Bed House14, Blondell Drive, Bognor Regis, PO21 4BQ14, Blondell Drive, Bognor Regis, PO21 4BQ
• Sold Sep 2025£350,000 | 3 Bed House81, Lincoln Avenue, Bognor Regis, PO21 3EW81, Lincoln Avenue, Bognor Regis, PO21 3EW
• Sold Sep 2025£400,000 | 3 Bed House2, Blondell Drive, Bognor Regis, PO21 4BQ2, Blondell Drive, Bognor Regis, PO21 4BQ
• Sold Aug 2025£520,000 | 3 Bed House7, Lucerne Court, Bognor Regis, PO21 4XL7, Lucerne Court, Bognor Regis, PO21 4XL
• Sold Jan 2025£380,000 | 3 Bed House50, Rose Green Road, Bognor Regis, PO21 3EP50, Rose Green Road, Bognor Regis, PO21 3EP
• Sold Oct 2023£393,000 | 3 Bed House6, Grosvenor Gardens, Bognor Regis, PO21 3EY6, Grosvenor Gardens, Bognor Regis, PO21 3EY
• Sold Jul 2023£425,000 | 3 Bed House6, Sefton Avenue, Bognor Regis, PO21 3BP6, Sefton Avenue, Bognor Regis, PO21 3BP
• Sold May 2023£370,000 | 3 Bed House7, Parkfield Avenue, Bognor Regis, PO21 3BW7, Parkfield Avenue, Bognor Regis, PO21 3BW
• Sold Feb 2023£440,000 | 3 Bed House15, Nyetimber Lane, Bognor Regis, PO21 3HQ15, Nyetimber Lane, Bognor Regis, PO21 3HQ
• Sold Nov 2022£545,000 | 3 Bed House28, Sefton Avenue, Bognor Regis, PO21 3BN28, Sefton Avenue, Bognor Regis, PO21 3BN
• Sold Nov 2022£370,000 | 3 Bed House17, Robins Drive, Bognor Regis, PO21 3BL17, Robins Drive, Bognor Regis, PO21 3BL
• Sold Sep 2022£425,000 | 3 Bed House8, Robins Drive, Bognor Regis, PO21 3BL8, Robins Drive, Bognor Regis, PO21 3BL
• Sold Apr 2021£445,000 | 3 Bed House15, St. Richards Drive, Bognor Regis, PO21 3BH15, St. Richards Drive, Bognor Regis, PO21 3BH
• Sold Nov 2020£370,000 | 3 Bed House5, St. Richards Drive, Bognor Regis, PO21 3BH5, St. Richards Drive, Bognor Regis, PO21 3BH
• Sold Jul 2020£218,000 | 3 Bed House23, Rose Green Road, Bognor Regis, PO21 3EU23, Rose Green Road, Bognor Regis, PO21 3EU
• Sold Jul 2020£420,000 | 4 Bed House17, Grosvenor Gardens, Bognor Regis, PO21 3EY17, Grosvenor Gardens, Bognor Regis, PO21 3EY
• Sold Jan 2020£365,000 | 3 Bed House12, Robins Drive, Bognor Regis, PO21 3BL12, Robins Drive, Bognor Regis, PO21 3BL
• Sold Jun 2019£335,000 | 3 Bed House9, Robins Drive, Bognor Regis, PO21 3BL9, Robins Drive, Bognor Regis, PO21 3BL
• Sold May 2017£377,000 | 3 Bed House11, St. Richards Way, Bognor Regis, PO21 3BD11, St. Richards Way, Bognor Regis, PO21 3BD
• Sold Jul 2009£239,950 | 3 Bed House12, Parkfield Avenue, Bognor Regis, PO21 3BW12, Parkfield Avenue, Bognor Regis, PO21 3BW

Of the 26 addresses on Sefton Avenue, Bognor Regis, PO21, 18, Sefton Avenue, Bognor Regis comes out as the 17th largest and the 18th most expensive in our analysis of the public data.

It is also £75k more expensive than the average property across the PO21 district.

• Rose Green Junior School

  800 m away
• Rose Green Infant School

  800 m away
• Nyewood CofE Junior School

  1.3 km away

• The Regis School

  1.8 km away
• Felpham Community College

  4.1 km away
• Chichester High School

  6.6 km away

• Bognor Regis

  |

  2.6 km away
• Chichester

  |

  7.1 km away
• Barnham

  |

  7.2 km away

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