According to data from HM Land Registry, 21, Forge Avenue, Coulsdon sits on a plot of 263 m².

We have plot size data on 23 out of 23 other houses in the postcode and 21, Forge Avenue, Coulsdon sits on the 13th largest plot.

21, Forge Avenue, Coulsdon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Aug 2023.

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

According to HM Land Registry, 21, Forge Avenue, Coulsdon was last sold on 12th February 2001 for £154,950 and was recorded as a freehold house.

The property has had 2 sales since 1995.

• Sold Feb 2001£154,950
• Sold May 2000£115,000

According to the Land Registry and our network of Estate Agents, there have been 26 sales of properties similar to 21, Forge Avenue, Coulsdon within a radius of 720 metres since 2007.

The most recent example is 2 Tollers Cottages, Tollers Lane, Coulsdon, CR5 1BD, a freehold house which sold for £396,500 on the 12th November 2025.

Read more about house prices in CR5.

• Sold Nov 2025£396,500 | 2 Bed House2 Tollers Cottages, Tollers Lane, Coulsdon, CR5 1BD2 Tollers Cottages, Tollers Lane, Coulsdon, CR5 1BD
• Sold Nov 2024£430,000 | 2 Bed House257, Coulsdon Road, Coulsdon, CR5 1EN257, Coulsdon Road, Coulsdon, CR5 1EN
• Sold Jan 2023£435,000 | 3 Bed House8, Forge Avenue, Coulsdon, CR5 1LR8, Forge Avenue, Coulsdon, CR5 1LR
• Sold Nov 2022£440,000 | 2 Bed House4, Lacey Drive, Coulsdon, CR5 1ER4, Lacey Drive, Coulsdon, CR5 1ER
• Sold May 2022£478,000 | 3 Bed House15, Forge Avenue, Coulsdon, CR5 1LS15, Forge Avenue, Coulsdon, CR5 1LS
• Sold Dec 2021£443,000 | 3 Bed House7, Ambercroft Way, Coulsdon, CR5 1HT7, Ambercroft Way, Coulsdon, CR5 1HT
• Sold May 2021£410,000 | 3 Bed House7, Forge Avenue, Coulsdon, CR5 1LS7, Forge Avenue, Coulsdon, CR5 1LS
• Sold Mar 2021£406,000 | 3 Bed House10, Forge Avenue, Coulsdon, CR5 1LR10, Forge Avenue, Coulsdon, CR5 1LR
• Sold Sep 2020£135,000 | 2 Bed House2A, Homefield Road, Coulsdon, CR5 1ES2A, Homefield Road, Coulsdon, CR5 1ES
• Sold Aug 2019£375,000 | 3 Bed House20, Inwood Avenue, Coulsdon, CR5 1LN20, Inwood Avenue, Coulsdon, CR5 1LN
• Sold Jun 2019£375,000 | 3 Bed House18, Inwood Avenue, Coulsdon, CR5 1LN18, Inwood Avenue, Coulsdon, CR5 1LN
• Sold Jul 2017£336,000 | 3 Bed House17, Lacey Green, Coulsdon, CR5 1BL17, Lacey Green, Coulsdon, CR5 1BL
• Sold May 2017£270,000 | 3 Bed House13, Lacey Green, Coulsdon, CR5 1BL13, Lacey Green, Coulsdon, CR5 1BL
• Sold Mar 2017£340,000 | 2 Bed House59, Keston Avenue, Coulsdon, CR5 1HP59, Keston Avenue, Coulsdon, CR5 1HP
• Sold Aug 2015£363,000 | 3 Bed House273, Coulsdon Road, Coulsdon, CR5 1EP273, Coulsdon Road, Coulsdon, CR5 1EP
• Sold Jul 2015£345,000 | 3 Bed House17, Forge Avenue, Coulsdon, CR5 1LS17, Forge Avenue, Coulsdon, CR5 1LS
• Sold Dec 2011£237,500 | 2 Bed House28, Forge Avenue, Coulsdon, CR5 1LR28, Forge Avenue, Coulsdon, CR5 1LR
• Sold May 2011£215,000 | 2 Bed House267, Coulsdon Road, Coulsdon, CR5 1EP267, Coulsdon Road, Coulsdon, CR5 1EP
• Sold Apr 2010£200,000 | 2 Bed House21, Lacey Drive, Coulsdon, CR5 1ER21, Lacey Drive, Coulsdon, CR5 1ER
• Sold Feb 2007£259,950 | 2 Bed House22, Forge Avenue, Coulsdon, CR5 1LR22, Forge Avenue, Coulsdon, CR5 1LR

Forge Avenue, Coulsdon, CR5 has a total of 49 addresses. According to our analysis of all the public data, 21, Forge Avenue, Coulsdon is the 44th largest and the 47th most expensive property on the street.

When compared to the postcode district it is £185k less expensive than the average property in CR5.

• Keston Primary School

  500 m away
• Coulsdon CofE Primary School

  1.1 km away
• New Valley Primary School

  1.7 km away

• Oasis Academy Coulsdon

  100 m away
• de Stafford School

  2.3 km away
• Riddlesdown Collegiate

  3.4 km away

• Coulsdon South

  |

  2.3 km away
• Whyteleafe

  |

  2.6 km away
• Whyteleafe South

  |

  2.7 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.