21 George Street, Markyate, St Albans, AL3 8JX
About 21 George Street
21 George Street is a two-bedroom semi-detached house in Markyate, St. Albans, St Albans (AL3 8JX). It has a recorded floor area of 63 m² (around 678 sq ft) and construction records dating it to 2012 onwards. The latest certificate (April 2025) shows a C (score 78), near the top of the C band. Earlier certificates rated it B (March 2015); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good and hot-water efficiency went from Good to Very Good; while window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 90). Our model identifies extension potential, subject to local planning policy.
Across 2015–2018, sale prices on this property compounded at 1.1% per year. Today's modelled estimate of £338,000 is 14.6% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£435/sq ft) was about 81.2% above the typical sold price in the postcode. Sold July 2018 for £295,000.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
Outside
- ParkingOff street
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
21 George Street's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Roof insulation improved
Solar water heating installed
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Planning history
21 George Street has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
21 George Street valuation sits well clear of the typical sold price in this postcode.
£338,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.1% per year over 3 years.
£295,000
Growth on file: 1.1% per year over 3 years.
Sales timeline
18 July 2018Most recent
£295,000
+3.5%over 3 years2 July 2015
£285,000
Median price across the last 5 sales in AL3 8JX: £310,000 (2025–2022).
Nearby sales in AL3 8JX
11 George Street, Markyate, St Albans, AL3 8JX
Sold May 2025
£395,00013 George Street, Markyate, St Albans, AL3 8JX
Sold Sept 2024
£306,0008 George Street, Markyate, St Albans, AL3 8JX
Sold Sept 2024
£405,0001 George Street, Markyate, St Albans, AL3 8JX
Sold Aug 2022
£280,0007 George Street, Markyate, St Albans, AL3 8JX
Sold Jun 2022
£290,000
Versus other George Street homes
On epc rating, 21 George Street stands well clear of the street.
Price per m²
£4,683
Street avg £4,293
Floor Area
63 m²
Street avg 97 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
1.5 t/year
Street avg 4.6 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Long Meadow — bus stop.
Closest school
0.7 km
Markyate Village School and Nursery. 4 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







