21, Astor Avenue, Dover occupies a 148 m² plot as recorded by HM Land Registry.

Of the 25 other houses in this postcode, 16 have recorded plot sizes, and this one ranks as the 13th largest.

21, Astor Avenue, Dover has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Nov 2015.

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

21, Astor Avenue, Dover last changed hands on 30th November 2006, selling for £150,000. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

• Sold Nov 2006£150,000
• Sold Jun 2001£43,000

Land Registry records and our Estate Agent network show 213 sales of comparable properties within 520 metres of 21, Astor Avenue, Dover since 2018.

Most recently, 4, Noahs Ark Road, Dover, CT17 0BX, a freehold house, sold at £145,000 on the 27th February 2026.

Read more about house prices in CT17.

• Sold Feb 2026£145,000 | 3 Bed House4, Noahs Ark Road, Dover, CT17 0BX4, Noahs Ark Road, Dover, CT17 0BX
• Sold Dec 2025£182,500 | 3 Bed House19, Wyndham Road, Dover, CT17 0BH19, Wyndham Road, Dover, CT17 0BH
• Sold Oct 2025£155,000 | 3 Bed House21, Douglas Road, Dover, CT17 0BD21, Douglas Road, Dover, CT17 0BD
• Sold Sep 2025£182,000 | 3 Bed House17, Hamilton Road, Dover, CT17 0DB17, Hamilton Road, Dover, CT17 0DB
• Sold Jan 2025£210,000 | 3 Bed House15, Astor Avenue, Dover, CT17 0AR15, Astor Avenue, Dover, CT17 0AR
• Sold Jan 2025£210,000 | 3 Bed House16, Noahs Ark Terrace, Dover, CT17 0DJ16, Noahs Ark Terrace, Dover, CT17 0DJ
• Sold Dec 2024£157,000 | 3 Bed House23, Douglas Road, Dover, CT17 0BD23, Douglas Road, Dover, CT17 0BD
• Sold Dec 2024£130,000 | 3 Bed House63, Lowther Road, Dover, CT17 0BE63, Lowther Road, Dover, CT17 0BE
• Sold Oct 2024£195,000 | 3 Bed House59, South Road, Dover, CT17 0DZ59, South Road, Dover, CT17 0DZ
• Sold Sep 2024£220,000 | 3 Bed House8, Northbourne Avenue, Dover, CT17 0BY8, Northbourne Avenue, Dover, CT17 0BY
• Sold Jun 2024£175,000 | 3 Bed House36, Douglas Road, Dover, CT17 0BD36, Douglas Road, Dover, CT17 0BD
• Sold May 2024£132,000 | 3 Bed House14, Noahs Ark Road, Dover, CT17 0BX14, Noahs Ark Road, Dover, CT17 0BX
• Sold Jan 2024£161,200 | 3 Bed House23, Devonshire Road, Dover, CT17 0AX23, Devonshire Road, Dover, CT17 0AX
• Sold Oct 2023£230,000 | 3 Bed House13, Northbourne Avenue, Dover, CT17 0BY13, Northbourne Avenue, Dover, CT17 0BY
• Sold Sep 2023£190,000 | 3 Bed House12, Anselm Road, Dover, CT17 0DG12, Anselm Road, Dover, CT17 0DG
• Sold Apr 2022£240,000 | 3 Bed House8, Odo Road, Dover, CT17 0DP8, Odo Road, Dover, CT17 0DP
• Sold Apr 2022£205,000 | 3 Bed House13, Noahs Ark Terrace, Dover, CT17 0DJ13, Noahs Ark Terrace, Dover, CT17 0DJ
• Sold Mar 2022£200,000 | 3 Bed House22, Astor Avenue, Dover, CT17 0AU22, Astor Avenue, Dover, CT17 0AU
• Sold Nov 2021£190,000 | 3 Bed House35, Chamberlain Road, Dover, CT17 0BZ35, Chamberlain Road, Dover, CT17 0BZ
• Sold Aug 2018£172,500 | 3 Bed House25, Hamilton Road, Dover, CT17 0DB25, Hamilton Road, Dover, CT17 0DB

Our analysis of the public data ranks 21, Astor Avenue, Dover as the 45th largest and the 40th most expensive of the 45 addresses on Astor Avenue, Dover, CT17.

Against the CT17 postcode district average, it is £15k less expensive than the typical property.

• Priory Fields School

  200 m away
• Vale View Community School

  400 m away
• St Martin's School

  700 m away

• Dover Grammar School for Boys

  400 m away
• Astor Secondary School

  500 m away
• Dover Grammar School for Girls

  1.0 km away

• Dover Priory

  |

  700 m away
• Kearsney (Kent)

  |

  2.9 km away
• Martin Mill

  |

  6.0 km away

Environment Agency data suggests this area has a Very Low risk of flooding.