According to data from HM Land Registry, 20, Dalkeith Road, Harpenden sits on a plot of 664 m².

We have plot size data on 31 out of 31 other houses in the postcode and 20, Dalkeith Road, Harpenden sits on the 18th largest plot.

20, Dalkeith Road, Harpenden has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 23 Jun 2015.

The property is connected to mains gas and has some secondary glazing. It is heated using warm air (mains gas).

According to HM Land Registry, 20, Dalkeith Road, Harpenden was last sold on 16th October 2015 for £962,550 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since October 2015, the market for similar properties has risen by 33.8%.

• Sold Oct 2015£962,550

According to the Land Registry and our network of Estate Agents, there have been 95 sales of properties similar to 20, Dalkeith Road, Harpenden within a radius of 570 metres since 2012.

The most recent example is 25, Carisbrooke Road, Harpenden, AL5 5QS, a freehold house which sold for £999,000 on the 15th January 2026.

Read more about house prices in AL5.

• Sold Jan 2026£999,000 | 4 Bed House25, Carisbrooke Road, Harpenden, AL5 5QS25, Carisbrooke Road, Harpenden, AL5 5QS
• Sold Jul 2025£1,150,000 | 3 Bed House33, Cowper Road, Harpenden, AL5 5NF33, Cowper Road, Harpenden, AL5 5NF
• Sold Jan 2025£967,000 | 3 Bed House35, Cowper Road, Harpenden, AL5 5NF35, Cowper Road, Harpenden, AL5 5NF
• Sold Dec 2024£1,140,000 | 4 Bed House62, Dalkeith Road, Harpenden, AL5 5PW62, Dalkeith Road, Harpenden, AL5 5PW
• Sold Nov 2024£827,000 | 4 Bed House30, Carisbrooke Road, Harpenden, AL5 5QT30, Carisbrooke Road, Harpenden, AL5 5QT
• Sold Aug 2024£900,000 | 4 Bed House18, Carisbrooke Road, Harpenden, AL5 5QT18, Carisbrooke Road, Harpenden, AL5 5QT
• Sold Jul 2024£1,085,000 | 4 Bed House82, Station Road, Harpenden, AL5 4TZ82, Station Road, Harpenden, AL5 4TZ
• Sold Mar 2024£1,000,000 | 4 Bed House26, Overstone Road, Harpenden, AL5 5PJ26, Overstone Road, Harpenden, AL5 5PJ
• Sold Feb 2024£1,673,500 | 4 Bed House12, West Way, Harpenden, AL5 4RD12, West Way, Harpenden, AL5 4RD
• Sold Jun 2023£1,295,000 | 3 Bed House6, Grasmere Avenue, Harpenden, AL5 5PS6, Grasmere Avenue, Harpenden, AL5 5PS
• Sold Jun 2023£1,100,000 | 4 Bed House62, Overstone Road, Harpenden, AL5 5PJ62, Overstone Road, Harpenden, AL5 5PJ
• Sold Aug 2021£766,000 | 4 Bed House39, West Way, Harpenden, AL5 4RD39, West Way, Harpenden, AL5 4RD
• Sold Nov 2018£785,000 | 4 Bed House43, Overstone Road, Harpenden, AL5 5PN43, Overstone Road, Harpenden, AL5 5PN
• Sold Oct 2018£842,500 | 4 Bed House1, Overstone Road, Harpenden, AL5 5PN1, Overstone Road, Harpenden, AL5 5PN
• Sold Jan 2018£905,000 | 4 Bed House46, Overstone Road, Harpenden, AL5 5PJ46, Overstone Road, Harpenden, AL5 5PJ
• Sold Jul 2017£876,101 | 4 Bed House14, Overstone Road, Harpenden, AL5 5PJ14, Overstone Road, Harpenden, AL5 5PJ
• Sold Jun 2017£820,000 | 3 Bed House5, Overstone Road, Harpenden, AL5 5PN5, Overstone Road, Harpenden, AL5 5PN
• Sold Aug 2016£970,000 | 4 Bed House43, Dalkeith Road, Harpenden, AL5 5PP43, Dalkeith Road, Harpenden, AL5 5PP
• Sold Feb 2016£817,500 | 4 Bed House40, Overstone Road, Harpenden, AL5 5PJ40, Overstone Road, Harpenden, AL5 5PJ
• Sold Jun 2012£655,000 | 4 Bed House6, Overstone Road, Harpenden, AL5 5PJ6, Overstone Road, Harpenden, AL5 5PJ

Dalkeith Road, Harpenden, AL5 has a total of 65 addresses. According to our analysis of all the public data, 20, Dalkeith Road, Harpenden is the 61st largest and the 63rd most expensive property on the street.

When compared to the postcode district it is £105k more expensive than the average property in AL5.

• Crabtree Infants' School

  200 m away
• Crabtree Junior School

  300 m away
• High Beeches Primary School

  600 m away

• Sir John Lawes School

  600 m away
• St George's School

  900 m away
• Katherine Warington School

  1.0 km away

• Harpenden

  |

  600 m away
• Luton Airport Parkway

  |

  7.2 km away
• St Albans City

  |

  7.5 km away

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