27 Blackhorse Lane, Redbourn, St Albans, AL3 7EP
About 27 Blackhorse Lane
27 Blackhorse Lane is a five-bedroom semi-detached house in Redbourn, St. Albans, St Albans (AL3 7EP). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (June 2018) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to A (score 94), a 4-band jump.
Across 1999–2018, sale prices on this property compounded at 9.6% per year. Today's modelled estimate of £942,000 is 25.6% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£505/sq ft) was about 69.6% above the typical sold price in the postcode. 3 planning records sit against the property, 0 approved, 0 refused. Sold November 2018 for £750,000.
What this property has
Inside
- Bedrooms5
- Bathrooms2
Energy performance
27 Blackhorse Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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Level 3 Building Survey
Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
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Planning history
3 applications on record at 27 Blackhorse Lane, Redbourn, St Albans, AL3 7EP
- Apr 2002ConservatoryFullOutcome in report
Conservatory
Extension- Documents
- 1 doc on file
- Reference
- 5/2002/0378
- More recent applications — locked
- ExtensionJun 2019Decision
- PorchMay 2008Decision
Unlock 27 Blackhorse Lane, Redbourn, St Albans, AL3 7EP's full planning history
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- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full
- The 36 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 27 Blackhorse Lane has grown more than fourfold since the 1999 starting point.
£942,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.6% per year over 20 years.
£750,000
Growth on file: 9.6% per year over 20 years.
Sales timeline
5 November 2018Most recent
£750,000
+500.0%over 19 years4 May 1999
£125,000
Median price across the last 5 sales in AL3 7EP: £900,000 (2025–2017).
Nearby sales in AL3 7EP
5 Blackhorse Lane, Redbourn, St Albans, AL3 7EP
Sold Jul 2025
£1,300,00011 Blackhorse Lane, Redbourn, St Albans, AL3 7EP
Sold Sept 2024
£1,601,00015 Blackhorse Lane, Redbourn, St Albans, AL3 7EP
Sold Apr 2018
£640,00021 Blackhorse Lane, Redbourn, St Albans, AL3 7EP
Sold Nov 2017
£900,00029 Blackhorse Lane, Redbourn, St Albans, AL3 7EP
Sold Jan 2017
£750,000
Versus other Blackhorse Lane homes
On habitable rooms, 27 Blackhorse Lane stands well clear of the street.
Price per m²
£5,435
Street avg £5,894
Floor Area
138 m²
Street avg 153 m²
Habitable Rooms
8 rooms
Street avg 7 rooms
CO₂ Emissions
8.3 t/year
Street avg 6.6 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Aysgarth Road — bus stop.
Closest school
0.4 km
Redbourn Primary School. 5 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







