40 High Ridge Road, Hemel Hempstead, HP3 0AG
About 40 High Ridge Road
40 High Ridge Road is a four-bedroom detached house in Hemel Hempstead (HP3 0AG). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (March 2018) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 83), a 3-band jump. Other recorded features include outbuildings and a loft.
3 planning records sit against the property, 3 approved, 0 refused. Past consents include an annexe, an extension, a loft conversion and a garage conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £639,000 is 33.1% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£425/sq ft) was about 40.3% above the typical sold price in the postcode. Sold November 2018 for £480,000.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- StudyYes
- LoftYes
Outside
- Private gardenRear
- GarageYes
- OutbuildingsYes
Energy performance
40 High Ridge Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls and has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
3 applications on record at 40 High Ridge Road, Hemel Hempstead, HP3 0AG
- Apr 2021Garage ConversionFullOutcome in report
Extension: Side of property
Two storey side extension, alterations to roof with two front facing dormers, with interlinking dormer and extending existing rear dormer. Conversion of garage to habitable room with alterations to the existing garage roof to provide flat roof with lantern.
Extension- Documents
- 7 docs on file
- Reference
- 21/00711/FHA
- More recent applications — locked
- AnnexSept 2025Decision
- Loft ConversionMay 2022Decision
Unlock 40 High Ridge Road, Hemel Hempstead, HP3 0AG's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 2 notable nearby
- The 24 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
40 High Ridge Road valuation sits well clear of the typical sold price in this postcode.
£639,000
Modelled from EPC, postcode comparables.
£480,000
Recorded with HM Land Registry.
Sales timeline
1 November 2018Most recent
£480,000
Median price across the last 5 sales in HP3 0AG: £490,000 (2024–2019).
Nearby sales in HP3 0AG
14 High Ridge Road, Hemel Hempstead, HP3 0AG
Sold Sept 2024
£490,00042 High Ridge Road, Hemel Hempstead, HP3 0AG
Sold Oct 2020
£469,9509 High Ridge Road, Hemel Hempstead, HP3 0AG
Sold Oct 2020
£565,00046 High Ridge Road, Hemel Hempstead, HP3 0AG
Sold Jul 2020
£575,00020 High Ridge Road, Hemel Hempstead, HP3 0AG
Sold Sept 2018
£470,000
Versus other High Ridge Road homes
40 High Ridge Road is notably below the street on years held.
Price per m²
£4,571
Street avg £4,144
Floor Area
105 m²
Street avg 103 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
6.6 t/year
Street avg 5.5 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Manorville Road — bus stop.
Closest school
0.1 km
Two Waters Primary School. 25 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
52.7dB

Night-time· 23:00 – 07:00
43.7dB







