Our Data Sources
21, Hillside Road, Harpenden has 41 entries in the Land Registry, most recently in January 2011 and a single entry in the EPC database dated September 2014.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 21, Hillside Road, Harpenden would be worth £1,342,202, with a potential rental value of £3,520 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,188,807, with a rental value of £3,118 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
21, Hillside Road, Harpenden has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 18 Sep 2014.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
21, Hillside Road, Harpenden last changed hands on 7th January 2011, selling for £735,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has risen by 59.7% since January 2011.
- Sold Jan 2011£735,000
- Sold Aug 2005£500,000
- Sold Apr 1999£340,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 143 sales of comparable properties within 770 metres of 21, Hillside Road, Harpenden since 2009.
Most recently, 12, Lambourn Gardens, Harpenden, AL5 4DQ, a freehold house, sold at £1,290,000 on the 31st October 2025.
Read more about house prices in AL5.
- Sold Oct 2025£1,290,000 | 4 Bed House12, Lambourn Gardens, Harpenden, AL5 4DQ12, Lambourn Gardens, Harpenden, AL5 4DQ
- Sold Oct 2025£1,200,000 | 4 Bed House46, Bloomfield Road, Harpenden, AL5 4DB46, Bloomfield Road, Harpenden, AL5 4DB
- Sold Jul 2025£1,305,000 | 4 Bed House12, Bloomfield Road, Harpenden, AL5 4DB12, Bloomfield Road, Harpenden, AL5 4DB
- Sold Jul 2025£1,495,000 | 4 Bed House37, Hillside Road, Harpenden, AL5 4BS37, Hillside Road, Harpenden, AL5 4BS
- Sold Mar 2025£1,020,000 | 4 Bed House10, Park Mount, Harpenden, AL5 3AR10, Park Mount, Harpenden, AL5 3AR
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £1,264,850, ranging from £859,874 to £1,851,377.
- 23 Hillside Road
3 Bed House | 8 m | Est. Value: £859,874
- 27 Hillside Road
4 Bed House | 31 m | Est. Value: £1,099,522
- 15 Hillside Road
4 Bed House | 35 m | Est. Value: £1,253,583
- 29 Hillside Road
4 Bed House | 38 m | Est. Value: £1,227,175
- 12 Hillside Road
5 Bed House | 43 m | Est. Value: £1,851,377
Location Comparison
Our analysis of the public data ranks 21, Hillside Road, Harpenden as the 21st largest and the 13th most expensive of the 81 addresses on Hillside Road, Harpenden, AL5.
Against the AL5 postcode district average, it is £311k more expensive than the typical property.
More reading links
Schools Nearby
- Roundwood Primary School800 m away
- The Lea Primary School and Nursery800 m away
- St Nicholas CofE VA Primary School900 m away
- St George's School700 m away
- Roundwood Park School800 m away
- Sir John Lawes School1.2 km away
More reading links
Public Transport Nearby
- Harpenden|1.4 km away
- Luton Airport Parkway|5.8 km away
- Luton|7.3 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
