According to data from HM Land Registry, 18, The Uplands, Harpenden sits on a plot of 1,406 m².

We have plot size data on 9 out of 9 other houses in the postcode and 18, The Uplands, Harpenden sits on the 6th largest plot.

18, The Uplands, Harpenden has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Jul 2016.

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

According to HM Land Registry, 18, The Uplands, Harpenden was last sold on 29th September 2017 for £2,100,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since September 2017, the market for similar properties has dropped by 11.8%.

• Sold Sep 2017£2,100,000

According to the Land Registry and our network of Estate Agents, there have been 29 sales of properties similar to 18, The Uplands, Harpenden within a radius of 1.7 kilometres since 2010.

The most recent example is 44, The Uplands, Harpenden, AL5 2NZ, a freehold house which sold for £1,725,000 on the 14th August 2025.

Read more about house prices in AL5.

• Sold Aug 2025£1,725,000 | 5 Bed House44, The Uplands, Harpenden, AL5 2NZ44, The Uplands, Harpenden, AL5 2NZ
• Sold Jun 2025£2,950,000 | 5 Bed House22, Prospect Lane, Harpenden, AL5 2PL22, Prospect Lane, Harpenden, AL5 2PL
• Sold Mar 2025£3,250,000 | 5 Bed House34A, Oakfield Road, Harpenden, AL5 2NS34A, Oakfield Road, Harpenden, AL5 2NS
• Sold Mar 2024£3,250,000 | 5 Bed House27, The Uplands, Harpenden, AL5 2PG27, The Uplands, Harpenden, AL5 2PG
• Sold Sep 2023£2,740,000 | 5 Bed House17, The Chowns, Harpenden, AL5 2BN17, The Chowns, Harpenden, AL5 2BN
• Sold Sep 2023£2,400,000 | 5 Bed House21, The Deerings, Harpenden, AL5 2PF21, The Deerings, Harpenden, AL5 2PF
• Sold Feb 2023£3,000,000 | 5 Bed House9, Oak Way, Harpenden, AL5 2NT9, Oak Way, Harpenden, AL5 2NT
• Sold Jan 2023£2,850,000 | 5 Bed House9, Fairway Close, Harpenden, AL5 2NN9, Fairway Close, Harpenden, AL5 2NN
• Sold Dec 2021£2,185,000 | 5 Bed House1, The Chowns, Harpenden, AL5 2BN1, The Chowns, Harpenden, AL5 2BN
• Sold Feb 2020£2,085,000 | 5 Bed HouseTwin Oaks, Redbourn Lane, Harpenden, AL5 2NATwin Oaks, Redbourn Lane, Harpenden, AL5 2NA
• Sold Oct 2017£1,585,000 | 5 Bed House46, Oakfield Road, Harpenden, AL5 2NS46, Oakfield Road, Harpenden, AL5 2NS
• Sold Sep 2017£1,382,500 | 5 Bed House17, The Uplands, Harpenden, AL5 2PG17, The Uplands, Harpenden, AL5 2PG
• Sold Aug 2017£1,950,000 | 5 Bed House24, Prospect Lane, Harpenden, AL5 2PL24, Prospect Lane, Harpenden, AL5 2PL
• Sold Nov 2016£2,500,000 | 5 Bed House14, The Uplands, Harpenden, AL5 2PQ14, The Uplands, Harpenden, AL5 2PQ
• Sold Aug 2015£1,800,000 | 5 Bed House4, The Uplands, Harpenden, AL5 2PH4, The Uplands, Harpenden, AL5 2PH
• Sold Jun 2015£1,700,000 | 5 Bed House12, The Uplands, Harpenden, AL5 2PQ12, The Uplands, Harpenden, AL5 2PQ
• Sold Apr 2013£1,500,000 | 5 Bed House15, The Chowns, Harpenden, AL5 2BN15, The Chowns, Harpenden, AL5 2BN
• Sold Mar 2012£2,150,000 | 5 Bed House23, Oakfield Road, Harpenden, AL5 2NW23, Oakfield Road, Harpenden, AL5 2NW
• Sold Oct 2011£2,250,000 | 5 Bed House20, The Uplands, Harpenden, AL5 2PQ20, The Uplands, Harpenden, AL5 2PQ
• Sold Nov 2010£2,025,000 | 5 Bed House16, Wheatfield Road, Harpenden, AL5 2NY16, Wheatfield Road, Harpenden, AL5 2NY

Our network of Estate Agents reports 2 lets within 1.7 kilometres of 18, The Uplands, Harpenden over the last 2 years.

Most recently, 3, Childwick Green, St. Albans, AL3 6JJ, a freehold house, was let by Collinson Hall in April 2025.

• 
  Let Apr 2025£ Undisclosed | 2 Bed House3, Childwick Green, St. Albans, AL3 6JJ3, Childwick Green, St. Albans, AL3 6JJ
• 
  Let Jul 2023£ Undisclosed | 2 Bed House1, Childwick Green, St. Albans, AL3 6JJ1, Childwick Green, St. Albans, AL3 6JJ

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

The Uplands, Harpenden, AL5 has a total of 43 addresses. According to our analysis of all the public data, 18, The Uplands, Harpenden is the 17th largest and the 19th most expensive property on the street.

When compared to the postcode district it is £1.7m more expensive than the average property in AL5.

• St Dominic Catholic Primary School

  1.9 km away
• The Grove Junior School

  2.1 km away
• The Grove Infant and Nursery School

  2.1 km away

• Townsend Church of England School

  2.6 km away
• Roundwood Park School

  2.9 km away
• St George's School

  3.1 km away

• Harpenden

  |

  2.3 km away
• St Albans City

  |

  5.4 km away
• St Albans Abbey

  |

  5.7 km away

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