According to data from HM Land Registry, 21, Hennel Close sits on a plot of 92 m².

We have plot size data on 17 out of 21 other houses in the postcode and 21, Hennel Close sits on the 16th largest plot.

21, Hennel Close has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Sep 2025.

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, Hennel Close was last sold on 15th May 1995 for £49,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

According to the Land Registry and our network of Estate Agents, there have been 74 sales of properties similar to 21, Hennel Close within a radius of 390 metres since 2018.

The most recent example is 9, Longfield Crescent, London, SE26 4DU, a freehold house which sold for £665,000 on the 10th October 2025.

Read more about house prices in SE23.

• Sold Oct 2025£665,000 | 3 Bed House9, Longfield Crescent, London, SE26 4DU9, Longfield Crescent, London, SE26 4DU
• Sold Aug 2025£560,000 | 3 Bed House17, Hennel Close, London, SE23 2NT17, Hennel Close, London, SE23 2NT
• Sold May 2025£497,500 | 3 Bed House9, Catling Close, London, SE23 2NU9, Catling Close, London, SE23 2NU
• Sold Mar 2025£565,000 | 3 Bed House12, Hennel Close, London, SE23 2NT12, Hennel Close, London, SE23 2NT
• Sold Feb 2023£510,000 | 3 Bed House6, Hennel Close, London, SE23 2NT6, Hennel Close, London, SE23 2NT
• Sold Feb 2023£472,342 | 3 Bed House11, Chelsfield Gardens, London, SE26 4DJ11, Chelsfield Gardens, London, SE26 4DJ
• Sold Nov 2022£545,000 | 3 Bed House79, Bampton Road, London, SE23 2AX79, Bampton Road, London, SE23 2AX
• Sold Nov 2022£615,000 | 3 Bed House9, Hennel Close, London, SE23 2NT9, Hennel Close, London, SE23 2NT
• Sold Jun 2022£605,000 | 3 Bed House1, Bampton Road, London, SE23 2AX1, Bampton Road, London, SE23 2AX
• Sold May 2022£518,000 | 3 Bed House60, Dacres Road, London, SE23 2NR60, Dacres Road, London, SE23 2NR
• Sold Mar 2022£515,000 | 3 Bed House76, Bampton Road, London, SE23 2AX76, Bampton Road, London, SE23 2AX
• Sold Nov 2021£525,000 | 3 Bed House4, Hennel Close, London, SE23 2NT4, Hennel Close, London, SE23 2NT
• Sold Sep 2021£480,000 | 3 Bed House3, Chelsfield Gardens, London, SE26 4DJ3, Chelsfield Gardens, London, SE26 4DJ
• Sold Sep 2021£505,000 | 3 Bed House19, Hennel Close, London, SE23 2NT19, Hennel Close, London, SE23 2NT
• Sold May 2021£624,000 | 3 Bed House53, Chelsfield Gardens, London, SE26 4DJ53, Chelsfield Gardens, London, SE26 4DJ
• Sold Mar 2021£626,624 | 3 Bed House2, Bampton Road, London, SE23 2AX2, Bampton Road, London, SE23 2AX
• Sold Aug 2020£450,000 | 3 Bed House54, Dacres Road, London, SE23 2NR54, Dacres Road, London, SE23 2NR
• Sold Jul 2020£418,000 | 3 Bed House75, Bampton Road, London, SE23 2AX75, Bampton Road, London, SE23 2AX
• Sold Dec 2019£330,000 | 3 Bed House9, Chelsfield Gardens, London, SE26 4DJ9, Chelsfield Gardens, London, SE26 4DJ
• Sold Jun 2018£400,000 | 3 Bed House23, Chelsfield Gardens, London, SE26 4DJ23, Chelsfield Gardens, London, SE26 4DJ

Our network of Estate Agents reports 1 let within 390 metres of 21, Hennel Close over the last 2 years.

Most recently, 18, Deans Gate Close, London, SE23 2XX, a leasehold flat, was let by Maplewood Property in April 2025.

• 
  Let agreed Apr 2025£ Undisclosed | 2 Bed Flat18, Deans Gate Close, London, SE23 2XX18, Deans Gate Close, London, SE23 2XX

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Hennel Close, London, SE23 has a total of 21 addresses. According to our analysis of all the public data, 21, Hennel Close is the 16th largest and the 15th most expensive property on the street.

When compared to the postcode district it is £26k less expensive than the average property in SE23.

• St Bartholomews's Church of England Primary School

  300 m away
• Holy Trinity Church of England Primary School

  400 m away
• St George's CofE Primary School

  500 m away

• Forest Hill School

  300 m away
• Sydenham School

  500 m away
• Harris Girls Academy Bromley

  2.0 km away

• Forest Hill

  |

  600 m away
• Sydenham

  |

  600 m away
• Sydenham (London)

  |

  700 m away

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