HM Land Registry records the plot of land for 40, Newnham Way, Harrow as measuring 268 m².

That makes it the 34th largest plot in the postcode, where all 38 other houses have recorded plot data.

The most recent sale of 40, Newnham Way, Harrow completed on 24th October 2007 at £275,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 72.2% over the period since October 2007.

• Sold Oct 2007£275,000

Since 2018 87 properties similar to 40, Newnham Way, Harrow have sold within a radius of 500 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th October 2025, was 87, Shrewsbury Avenue, Harrow, HA3 9NA, a freehold house which sold for £535,000.

Read more about house prices in HA3.

• Sold Oct 2025£535,000 | 3 Bed House87, Shrewsbury Avenue, Harrow, HA3 9NA87, Shrewsbury Avenue, Harrow, HA3 9NA
• Sold Oct 2025£490,000 | 3 Bed House4, Cowbridge Road, Harrow, HA3 9QA4, Cowbridge Road, Harrow, HA3 9QA
• Sold Aug 2025£580,000 | 3 Bed House26, Greenway, Harrow, HA3 0TT26, Greenway, Harrow, HA3 0TT
• Sold Jan 2025£525,000 | 3 Bed House6, Orchard Grove, Harrow, HA3 9QS6, Orchard Grove, Harrow, HA3 9QS
• Sold Oct 2024£515,000 | 3 Bed House8, Shrewsbury Avenue, Harrow, HA3 9NG8, Shrewsbury Avenue, Harrow, HA3 9NG
• Sold Oct 2024£560,000 | 3 Bed House9, Shrewsbury Avenue, Harrow, HA3 9LX9, Shrewsbury Avenue, Harrow, HA3 9LX
• Sold Sep 2024£460,000 | 3 Bed House27, Cheltenham Place, Harrow, HA3 9NB27, Cheltenham Place, Harrow, HA3 9NB
• Sold Oct 2022£500,000 | 3 Bed House49, Loretto Gardens, Harrow, HA3 9LY49, Loretto Gardens, Harrow, HA3 9LY
• Sold Aug 2022£220,000 | 3 Bed House32, Newnham Way, Harrow, HA3 9NT32, Newnham Way, Harrow, HA3 9NT
• Sold Jun 2022£615,000 | 3 Bed House43, Chapman Crescent, Harrow, HA3 0TG43, Chapman Crescent, Harrow, HA3 0TG
• Sold Jun 2022£565,000 | 3 Bed House16, Newnham Way, Harrow, HA3 9NT16, Newnham Way, Harrow, HA3 9NT
• Sold Mar 2022£525,000 | 3 Bed House55, Radley Gardens, Harrow, HA3 9NZ55, Radley Gardens, Harrow, HA3 9NZ
• Sold Sep 2021£600,000 | 3 Bed House11, Morland Road, Harrow, HA3 9LU11, Morland Road, Harrow, HA3 9LU
• Sold Jun 2021£500,000 | 3 Bed House48, Newnham Way, Harrow, HA3 9NT48, Newnham Way, Harrow, HA3 9NT
• Sold Dec 2020£420,000 | 3 Bed House17, Shrewsbury Avenue, Harrow, HA3 9LX17, Shrewsbury Avenue, Harrow, HA3 9LX
• Sold Jun 2020£540,000 | 3 Bed House18, Glenalmond Road, Harrow, HA3 9JY18, Glenalmond Road, Harrow, HA3 9JY
• Sold Jul 2019£495,000 | 3 Bed House8, Greenway, Harrow, HA3 0TT8, Greenway, Harrow, HA3 0TT
• Sold Apr 2019£425,000 | 3 Bed House36, Shrewsbury Avenue, Harrow, HA3 9NF36, Shrewsbury Avenue, Harrow, HA3 9NF
• Sold Aug 2018£465,000 | 3 Bed House10, Greenway, Harrow, HA3 0TT10, Greenway, Harrow, HA3 0TT
• Sold Jan 2018£490,000 | 3 Bed House29, Shrewsbury Avenue, Harrow, HA3 9LX29, Shrewsbury Avenue, Harrow, HA3 9LX

Of the 62 addresses on Newnham Way, Harrow, HA3, 40, Newnham Way, Harrow comes out as the 47th largest and the 56th most expensive in our analysis of the public data.

It is also £52k less expensive than the average property across the HA3 district.

• St Bernadette's Catholic Primary School

  200 m away
• Uxendon Manor Primary School

  600 m away
• Glebe Primary School

  600 m away

• Claremont High School

  300 m away
• JFS

  1.0 km away
• St Gregory's Catholic Science College

  1.0 km away

• Queensbury

  |

  900 m away
• Kingsbury

  |

  900 m away
• Preston Road

  |

  1.7 km away

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