20 Clifton Street, St Albans, AL1 3RY
About 20 Clifton Street
20 Clifton Street is a three-bedroom mid-terrace house in St Albans (AL1 3RY). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (May 2017) shows a C (score 69), just inside the C band. When first surveyed in June 2011 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average and lighting went from Very Poor to Average. The recommended improvements would push it to B (score 82). Other recorded features include a basement. The home occupies a cul-de-sac position.
At 127 m² the property is well over the postcode median (84 m² across 20 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2012–2022, sale prices on this property compounded at 8.1% per year. On a £-per-square-foot basis, the last sale (£677/sq ft) was about 65.5% above the typical sold price in the postcode. 4 planning records sit against the property, 0 approved, 0 refused. Last sale on file: £925,000 in August 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Open-plan layoutYes
- BasementYes
Outside
- Cul-de-sacYes
Everything you need to know about 20 Clifton Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
20 Clifton Street ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Window efficiency improved
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,360 · Includes VAT
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
4 applications on record at 20 Clifton Street, St Albans, AL1 3RY
- Jun 2005ExtensionFullOutcome in report
Extension: Two storey · Rear of property
Two storey rear extension
- Documents
- 2 docs on file
- Reference
- 5/2005/0873
- More recent applications — locked
- Tree WorksNov 2025Decision
- Loft ConversionOct 2012Decision
+ 1 more application in the report
Unlock 20 Clifton Street, St Albans, AL1 3RY's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 13 notable nearby
- The 26 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 20 Clifton Street was the highest on Land Registry record across the postcode.
£895,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.1% per year over 10 years.
£925,000
Growth on file: 8.1% per year over 10 years.
Sales timeline
31 August 2022Most recent
£925,000
+8.3%over 4 years21 September 2017
£854,000
+105.8%over 5 years6 June 2012
£415,000
Median price across the last 5 sales in AL1 3RY: £675,560 (2025–2023).
Nearby sales in AL1 3RY
Versus other Clifton Street homes
On floor area, 20 Clifton Street stands well clear of the street.
Price per m²
£7,283
Street avg £6,549
Floor Area
127 m²
Street avg 80 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.7 t/year
Street avg 4.4 t/year
Everything you need to know about 20 Clifton Street
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Alban City School — bus stop.
Closest school
0.1 km
Alban City School. 35 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.









