21A, High Street, Harrow has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Dec 2022.

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

According to HM Land Registry, 21A, High Street, Harrow was last sold on 3rd August 2012 for £280,000 and was recorded as a leasehold flat.

The property has had 2 sales since 1995.

Since August 2012, the market for similar properties has risen by 6.6%.

• Sold Aug 2012£280,000
• Sold Jan 2004£400,000

According to the Land Registry and our network of Estate Agents, there have been 61 sales of properties similar to 21A, High Street, Harrow within a radius of 660 metres since 2007.

The most recent example is 3 Rowney, Mount Park Road, Harrow, HA1 3JP, a leasehold flat which sold for £557,000 on the 7th November 2025.

Read more about house prices in HA1.

• Sold Nov 2025£557,000 | 3 Bed Flat3 Rowney, Mount Park Road, Harrow, HA1 3JP3 Rowney, Mount Park Road, Harrow, HA1 3JP
• Sold Nov 2025£420,000 | 3 Bed Flat50B Herga Court, Sudbury Hill, Harrow, HA1 3RT50B Herga Court, Sudbury Hill, Harrow, HA1 3RT
• Sold Feb 2025£435,000 | 3 Bed Flat2 Siddons House, Cottage Close, Harrow, HA2 0HG2 Siddons House, Cottage Close, Harrow, HA2 0HG
• Sold Jan 2025£498,000 | 3 Bed Flat9, London Road, Harrow, HA1 3JJ9, London Road, Harrow, HA1 3JJ
• Sold Aug 2023£495,000 | 3 Bed Flat15 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ15 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ
• Sold Jan 2023£505,000 | 3 Bed FlatFlat 15, The Mount House, Sudbury Hill, Harrow, HA1 3NHFlat 15, The Mount House, Sudbury Hill, Harrow, HA1 3NH
• Sold Jul 2022£640,000 | 3 Bed Flat1 Uplands, London Road, Harrow, HA1 3LY1 Uplands, London Road, Harrow, HA1 3LY
• Sold Jun 2022£475,000 | 3 Bed Flat21 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ21 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ
• Sold Jun 2021£600,000 | 3 Bed Flat5 West Hill Hall, West Hill, Harrow, HA2 0JQ5 West Hill Hall, West Hill, Harrow, HA2 0JQ
• Sold Mar 2021£433,000 | 3 Bed Flat33, London Road, Harrow, HA1 3JJ33, London Road, Harrow, HA1 3JJ
• Sold Jan 2021£450,000 | 3 Bed Flat40, High Street, Harrow, HA1 3LL40, High Street, Harrow, HA1 3LL
• Sold Mar 2020£440,000 | 3 Bed Flat23 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ23 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ
• Sold Feb 2020£390,000 | 3 Bed Flat13 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ13 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ
• Sold Jan 2019£431,500 | 3 Bed Flat11E, Byron Hill Road, Harrow, HA2 0JD11E, Byron Hill Road, Harrow, HA2 0JD
• Sold Oct 2018£445,000 | 3 Bed Flat30 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ30 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ
• Sold Jan 2018£470,000 | 3 Bed Flat41, London Road, Harrow, HA1 3JJ41, London Road, Harrow, HA1 3JJ
• Sold Jun 2017£347,000 | 3 Bed Flat39B, High Street, Harrow, HA1 3HT39B, High Street, Harrow, HA1 3HT
• Sold Aug 2016£471,400 | 3 Bed Flat11 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ11 Leigh Court, Byron Hill Road, Harrow, HA2 0HZ
• Sold Jun 2016£470,000 | 3 Bed Flat7 West Hill Hall, West Hill, Harrow, HA2 0JQ7 West Hill Hall, West Hill, Harrow, HA2 0JQ
• Sold Mar 2007£318,500 | 3 Bed Flat4 West Hill Hall, West Hill, Harrow, HA2 0JQ4 West Hill Hall, West Hill, Harrow, HA2 0JQ

High Street, Harrow, HA1 has a total of 101 addresses. According to our analysis of all the public data, 21A, High Street, Harrow is the 38th largest and the 36th most expensive property on the street.

When compared to the postcode district it is £54k more expensive than the average property in HA1.

• Roxeth Primary School

  400 m away
• St Anselm's Catholic Primary School

  600 m away
• St George's Primary Catholic Voluntary Academy

  1.0 km away

• Whitmore High School

  1.0 km away
• Harrow High School

  1.3 km away
• Wembley High Technology College

  2.1 km away

• Harrow-on-the-Hill

  |

  900 m away
• South Harrow

  |

  1.2 km away
• Sudbury Hill Harrow

  |

  1.4 km away

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