21 Bargrove Avenue, Hemel Hempstead, HP1 1QP
About 21 Bargrove Avenue
21 Bargrove Avenue is a semi-detached house in Hemel Hempstead (HP1 1QP). It has a recorded floor area of 194 m² (around 2088 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (March 2025) shows a C (score 70).
At 194 m² the property is well over the postcode median (145 m² across 31 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). A recent sale: £900,000 in September 2025. 5 planning records sit against the property, 3 approved, 1 refused, 1 pending. Past consents include a loft conversion, an extension and a porch, meaningful when judging how the property has evolved. An application is currently awaiting a decision. Across 2004–2025, sale prices on this property compounded at 3.7% per year. On a £-per-square-foot basis, the last sale (£431/sq ft) was about 35.1% above the typical sold price in the postcode.
Energy performance
21 Bargrove Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 18 March 2035
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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
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
5 applications on record at 21 Bargrove Avenue, Hemel Hempstead, HP1 1QP
- Jul 2013PorchFullOutcome in report
Front porch
Extension- Documents
- 5 docs on file
- Reference
- 4/00984/13/FHA
- More recent applications — locked
- ConditionsMay 2017Decision
- ConditionsMar 2017Decision
+ 2 more applications in the report
Unlock 21 Bargrove Avenue, Hemel Hempstead, HP1 1QP'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- Every decision — granted, refused or withdrawn (4 on record)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 5 applications on this property in full, plus 2 notable nearby
- The 13 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 21 Bargrove Avenue was the highest on Land Registry record across the postcode.
£942,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 21 years.
£900,000
Growth on file: 3.7% per year over 21 years.
Sales timeline
30 September 2025Most recent
£900,000
+114.3%over 21 years19 August 2004
£420,000
Median price across the last 5 sales in HP1 1QP: £754,015 (2026–2021).
Nearby sales in HP1 1QP
3 Bargrove Avenue, Hemel Hempstead, HP1 1QP
Sold Apr 2026
£685,0001 Bargrove Avenue, Hemel Hempstead, HP1 1QP
Sold Aug 2025
£805,00023 Bargrove Avenue, Hemel Hempstead, HP1 1QP
Sold Feb 2024
£631,00032 Bargrove Avenue, Hemel Hempstead, HP1 1QP
Sold Mar 2023
£785,0004 Bargrove Avenue, Hemel Hempstead, HP1 1QP
Sold Feb 2021
£754,015
Versus other Bargrove Avenue homes
21 Bargrove Avenue is notably below the street on years held.
Price per m²
£4,639
Street avg £4,558
Floor Area
194 m²
Street avg 144 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
6.3 t/year
Street avg 6.8 t/year
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
245/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Green End Road North — bus stop.
Closest school
0.2 km
St Rose's Catholic Infant School. 20 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.7dB

Night-time· 23:00 – 07:00
40.1dB







