Our Data Sources
21, Long John, Hemel Hempstead has 21 entries in the Land Registry, most recently in November 2014 and a single entry in the EPC database dated March 2025.
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, Long John, Hemel Hempstead would be worth £406,065, with a potential rental value of £1,990 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £359,658, with a rental value of £1,762 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
21, Long John, Hemel Hempstead occupies a 202 m2 plot as recorded by HM Land Registry.
Of the 22 other houses in this postcode, 17 have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
21, Long John, Hemel Hempstead has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Mar 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
21, Long John, Hemel Hempstead last changed hands on 28th November 2014, selling for £220,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has risen by 80.6% since November 2014.
- Sold Nov 2014£220,000
- Sold Sep 2004£165,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 250 sales of comparable properties within 580 metres of 21, Long John, Hemel Hempstead since 2014.
Most recently, 62, Stonelea Road, Hemel Hempstead, HP3 9JZ, a freehold house, sold at £437,500 on the 27th March 2026.
Read more about house prices in HP3.
- Sold Mar 2026£437,500 | 3 Bed House62, Stonelea Road, Hemel Hempstead, HP3 9JZ62, Stonelea Road, Hemel Hempstead, HP3 9JZ
- Sold Mar 2026£418,000 | 3 Bed House11, Hancroft Road, Hemel Hempstead, HP3 9LJ11, Hancroft Road, Hemel Hempstead, HP3 9LJ
- Sold Jan 2026£408,000 | 3 Bed House23, Hancroft Road, Hemel Hempstead, HP3 9LJ23, Hancroft Road, Hemel Hempstead, HP3 9LJ
- Sold Nov 2025£405,000 | 3 Bed House82, Leys Road, Hemel Hempstead, HP3 9LA82, Leys Road, Hemel Hempstead, HP3 9LA
- Sold Oct 2025£375,000 | 3 Bed House15, Great Whites Road, Hemel Hempstead, HP3 9LH15, Great Whites Road, Hemel Hempstead, HP3 9LH
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 £399,412, ranging from £339,339 to £469,956.
- 20 Long John
3 Bed House | 5 m | Est. Value: £411,903
- 22 Long John
4 Bed House | 5 m | Est. Value: £453,572
- 23 Long John
3 Bed House | 13 m | Est. Value: £384,520
- 19 Long John
3 Bed House | 13 m | Est. Value: £406,071
- 18 Long John
3 Bed House | 18 m | Est. Value: £386,729
Location Comparison
Our analysis of the public data ranks 21, Long John, Hemel Hempstead as the 51st largest and the 45th most expensive of the 117 addresses on Long John, Hemel Hempstead, HP3.
Against the HP3 postcode district average, it is £107k less expensive than the typical property.
More reading links
Schools Nearby
- The Reddings Primary School100 m away
- Lime Walk Primary School300 m away
- Saint Albert the Great Catholic Primary School, a Voluntary Academy500 m away
- Longdean School600 m away
- The Adeyfield Academy1.1 km away
- The Hemel Hempstead School2.0 km away
More reading links
Public Transport Nearby
- Apsley|1.5 km away
- Hemel Hempstead|2.7 km away
- Kings Langley|4.3 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












