Our Data Sources
Garthmead, Harpenden has a single entry in the Land Registry from February 2009 and a single entry in the EPC database dated November 2008.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate Garthmead, Harpenden would be worth £3,605,338, with a potential rental value of £8,232 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £3,193,300, with a rental value of £7,291 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
Garthmead, Harpenden occupies a 5,146 m2 plot as recorded by HM Land Registry.
All 5 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
Garthmead, Harpenden has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 03 Nov 2008.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
Garthmead, Harpenden last changed hands on 6th February 2009, selling for £2,060,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 79.9% since February 2009.
- Sold Feb 2009£2,060,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 2.4 kilometres of Garthmead, Harpenden across the last 2 years.
Most recently, White Oaks, The Common, Harpenden, AL5 3PE, a freehold house, sold at £2,425,000 on the 17th December 2025.
Read more about house prices in AL5.
- Sold Dec 2025£2,425,000 | 5 Bed HouseWhite Oaks, The Common, Harpenden, AL5 3PEWhite Oaks, The Common, Harpenden, AL5 3PE
- Sold Aug 2025£3,706 | 5 Bed HouseMaison Rose, The Common, Harpenden, AL5 3PEMaison Rose, The Common, Harpenden, AL5 3PE
- Sold Mar 2021£2,975,000 | 5 Bed HouseKinsbourne House, The Common, Harpenden, AL5 3PEKinsbourne House, The Common, Harpenden, AL5 3PE
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks Garthmead, Harpenden as the 7th largest and the 4th most expensive of the 33 addresses on Annables Lane, Harpenden, AL5.
Against the AL5 postcode district average, it is £2.474m more expensive than the typical property.
More reading links
Schools Nearby
- 1.3kmWood End School
- 2.2kmRoundwood Primary School
- 3.1kmFlamstead Village School
- 2.1kmRoundwood Park School
- 3.2kmSt George's School
- 3.7kmSir John Lawes School
More reading links
Public Transport Nearby
- 3.6kmHarpenden
- 4.7kmLuton Airport Parkway
- 5.9kmLuton
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.
