According to data from HM Land Registry, 5, Townsend Lane, Harpenden sits on a plot of 333 m².

We have plot size data on 10 out of 10 other houses in the postcode and 5, Townsend Lane, Harpenden sits on the 9th largest plot.

5, Townsend Lane, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Apr 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, 5, Townsend Lane, Harpenden was last sold on 22nd September 2025 for £1,175,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since September 2025, the market for similar properties has risen by 1.1%.

• Sold Sep 2025£1,175,000
• Sold Apr 2013£499,950

According to the Land Registry and our network of Estate Agents, there have been 43 sales of properties similar to 5, Townsend Lane, Harpenden within a radius of 660 metres since 2007.

The most recent example is 12, Pigeonwick, Harpenden, AL5 4EZ, a freehold house which sold for £800,000 on the 17th April 2026.

Read more about house prices in AL5.

• Sold Apr 2026£800,000 | 3 Bed House12, Pigeonwick, Harpenden, AL5 4EZ12, Pigeonwick, Harpenden, AL5 4EZ
• Sold Jan 2026£1,160,000 | 4 Bed House11, Lodge Gardens, Harpenden, AL5 4JE11, Lodge Gardens, Harpenden, AL5 4JE
• Sold Sep 2024£975,000 | 3 Bed House9 Redclyffe Place, Salisbury Avenue, Harpenden, AL5 2FS9 Redclyffe Place, Salisbury Avenue, Harpenden, AL5 2FS
• Sold May 2024£982,700 | 4 Bed House1, Timbers Court, Harpenden, AL5 2QA1, Timbers Court, Harpenden, AL5 2QA
• Sold Mar 2024£905,000 | 4 Bed House14, Cornwall Road, Harpenden, AL5 4TH14, Cornwall Road, Harpenden, AL5 4TH
• Sold Jan 2024£850,000 | 4 Bed House4, Lodge Gardens, Harpenden, AL5 4JE4, Lodge Gardens, Harpenden, AL5 4JE
• Sold Jan 2024£923,000 | 4 Bed House4, Moreton End Close, Harpenden, AL5 2EZ4, Moreton End Close, Harpenden, AL5 2EZ
• Sold Nov 2023£955,000 | 3 Bed House3, Forrester Mews, Harpenden, AL5 2FD3, Forrester Mews, Harpenden, AL5 2FD
• Sold Jul 2023£900,000 | 3 Bed House13, Pigeonwick, Harpenden, AL5 4EZ13, Pigeonwick, Harpenden, AL5 4EZ
• Sold Sep 2022£965,000 | 4 Bed House16B, Moreton End Lane, Harpenden, AL5 2EX16B, Moreton End Lane, Harpenden, AL5 2EX
• Sold Mar 2022£1,000,000 | 4 Bed House15, Cornwall Road, Harpenden, AL5 4TQ15, Cornwall Road, Harpenden, AL5 4TQ
• Sold Nov 2020£825,000 | 3 Bed House3, Moreton End Close, Harpenden, AL5 2EZ3, Moreton End Close, Harpenden, AL5 2EZ
• Sold Jun 2019£720,000 | 4 Bed House18, Stewart Road, Harpenden, AL5 4QB18, Stewart Road, Harpenden, AL5 4QB
• Sold Jun 2019£667,500 | 3 Bed House2, Tennyson Road, Harpenden, AL5 4BB2, Tennyson Road, Harpenden, AL5 4BB
• Sold Dec 2018£818,000 | 3 Bed House12, Sun Lane, Harpenden, AL5 4ET12, Sun Lane, Harpenden, AL5 4ET
• Sold Jul 2018£865,000 | 4 Bed House14, Hitherfield Lane, Harpenden, AL5 4JD14, Hitherfield Lane, Harpenden, AL5 4JD
• Sold May 2018£765,000 | 4 Bed House19, Park Hill, Harpenden, AL5 3AT19, Park Hill, Harpenden, AL5 3AT
• Sold Oct 2017£875,000 | 4 Bed House28, Wordsworth Road, Harpenden, AL5 4AF28, Wordsworth Road, Harpenden, AL5 4AF
• Sold Jan 2016£760,000 | 4 Bed House24, Tennyson Road, Harpenden, AL5 4BB24, Tennyson Road, Harpenden, AL5 4BB
• Sold Dec 2007£499,950 | 4 Bed House24, Breadcroft Lane, Harpenden, AL5 4TE24, Breadcroft Lane, Harpenden, AL5 4TE

Townsend Lane, Harpenden, AL5 has a total of 106 addresses. According to our analysis of all the public data, 5, Townsend Lane, Harpenden is the 90th largest and the 88th most expensive property on the street.

When compared to the postcode district it is £48k more expensive than the average property in AL5.

• St Nicholas CofE VA Primary School

  300 m away
• Harpenden Academy

  600 m away
• Roundwood Primary School

  800 m away

• St George's School

  600 m away
• Roundwood Park School

  800 m away
• Sir John Lawes School

  1.1 km away

• Harpenden

  |

  700 m away
• Luton Airport Parkway

  |

  6.5 km away
• St Albans City

  |

  7.9 km away

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