1 Dell Cottage, Lybury Lane, Redbourn, St Albans, AL3 7JJ
About 1 Dell Cottage
1 Dell Cottage is a five-bedroom semi-detached house in Redbourn, St. Albans, St Albans (AL3 7JJ). It has a recorded floor area of 187 m² (around 2013 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (August 2018) shows a G (score 19), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 73), a 4-band jump. Main heating runs on lpg. Other recorded features include notable views and a conservatory.
At 187 m² it's 24.7% larger than the typical home in the postcode (150 m² median across 4 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2019, sale prices on this property compounded at 6% per year. Today's modelled estimate of £986,000 is 36.9% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£358/sq ft) was about 28.3% below the postcode norm. Last sale on file: £720,000 in August 2019. One historical planning record sits against the property in 2000.
What this property has
Inside
- Bedrooms5
- Bathrooms3
- ConservatoryYes
Outside
- ParkingOff road
- Notable viewsYes
Energy performance
1 Dell Cottage sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,495 · Includes VAT
Planning history
1 application on record at 1 Dell Cottage, Lybury Lane, Redbourn, St Albans, AL3 7JJ
- Aug 2000ExtensionFullOutcome in report
Extension: Single storey · Front of property
Single storey front extension
- Documents
- 1 doc on file
- Reference
- 5/2000/1373
Unlock 1 Dell Cottage, Lybury Lane, Redbourn, St Albans, AL3 7JJ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 1 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has grown by over 3x since 1998.
£986,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 21 years.
£720,000
Growth on file: 6.0% per year over 21 years.
Sales timeline
14 August 2019Most recent
£720,000
+111.8%over 14 years26 May 2005
£340,000
+63.9%over 7 years26 May 1998
£207,500
Median price across the last 5 sales in AL3 7JJ: £650,000 (2025–1999).
Versus other Lybury Lane homes
EPC Rating for 1 Dell Cottage lags the street by a wide margin.
Price per m²
£3,850
Street avg £5,464
Floor Area
187 m²
Street avg 146 m²
Habitable Rooms
9 rooms
Street avg 7 rooms
CO₂ Emissions
11.0 t/year
Street avg 7.9 t/year
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The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.7 km
Luton Lane — bus stop.
Closest school
0.7 km
Redbourn Primary School. 2 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







