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12 South Dene, Gaddesden Row, Hemel Hempstead, HP2 6HP

2 planning records
Property type
Semi-detached
Habitable rooms
6
From EPC
Floor area
122 m²
1313 sq ft
Energy rating
E
Score 48
Council tax
Band D
Tenure
Owner Occupied
Overview

About 12 South Dene

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

12 South Dene is a semi-detached house in Gaddesden Row, Hemel Hempstead, Hemel Hempstead (HP2 6HP). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (August 2025) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on oil.

At 122 m² the property is well over the postcode median (88 m² across 11 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Across 1998–2017, sale prices on this property compounded at 11.3% per year. Today's modelled estimate of £559,000 is 14.1% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£373/sq ft) was about 70.3% above the typical sold price in the postcode. Last changed hands 9 years ago, in November 2017.

Before you decide

Everything you need to know about 12 South Dene

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

12 South Dene's carbon output runs well above what efficient homes in the postcode produce.

EPC Rating

A
B
C
D
E
E48
F
G
Main Heating
Gas
Main Fuel
Oil
Hot Water
Average
Windows
Average
CO2 Emissions
7.0 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Early 20th centurySemi-Detached HouseEPC EExtended multiple times (2+ extensions)No mains gas

Because the property has been extended more than once and has no mains gas supply, we believe a Level 3 building survey should be considered.

From £1,085 · Includes VAT

Planning

Planning history

Applications and permits filed against 12 South Dene, Gaddesden Row, Hemel Hempstead, HP2 6HP, sourced from the PlanIt planning register.

Planning history includes recorded demolition works, indicating a major rebuild phase at this address.

2 applications on record at 12 South Dene, Gaddesden Row, Hemel Hempstead, HP2 6HP

2decisions2extensions14documents3nearby
Flagged:Demolition
  1. Aug 2005
    ExtensionFull
    Outcome in report

    Extension: Single storey · Front of property

    Single storey front extension

    Documents
    8 docs on file
    Reference
    4/01403/05/FHA
    Full record in report
  2. More recent applications — locked
  3. DemolitionDecision

Unlock 12 South Dene, Gaddesden Row, Hemel Hempstead, HP2 6HP's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (2 on record)
  • All 2 applications on this property in full, plus 3 notable nearby
  • The 14 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Price for 12 South Dene has grown more than fourfold since the 1998 starting point.

Current estimate

£559,000

Modelled from EPC, postcode comparables and a sale-price growth of 11.3% per year over 20 years.

See how we calculated this
Last sold (2017)

£490,000

Growth on file: 11.3% per year over 20 years.

Sales timeline

  1. 16 November 2017Most recent

    £490,000

    +716.7%over 19 years

  2. 30 March 1998

    £60,000

Median price across the last 5 sales in HP2 6HP: £435,000 (2024–2010).

On the street

Versus other South Dene homes

Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.

12 South Dene outperforms the street on floor area by a wide margin.

Price per m²

£4,016

Street avg £3,986

On par

Floor Area

122 m²

Street avg 96 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

7.0 t/year

Street avg 5.9 t/year

Strongly below
Before you decide

Everything you need to know about 12 South Dene

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£587k

1 Bucklands Field, Bradden Lane, Gaddesden Row

HP2 6JB

£490k

1 Bradden Villas, Bradden Lane, Gaddesden Row

HP2 6JA

£642k

1 Hoo Cottages, Ledgemore Lane, Great Gaddesden

HP2 6HF

3 bed1 bath
£486k

1 Bradden Cottages, Bradden Lane, Gaddesden Row

HP2 6HZ

3 bed2 bath
£454k

1 Hunting Gate

HP2 6NX

3 bed1 bath
£428k

1 Chequers End, Gaddesden Row

HP2 6HH

3 bed1 bath
£424k

1 Flint Cottage, Gaddesden Row

HP2 6HN

£409k

1 Argyll Road

HP2 6NE

3 bed2 bath
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Hemel Hempstead district page.
Full Hemel Hempstead report

Reported crime in the wider district is trending notably upward year-on-year.

Crime

5/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Bradden Lane — bus stop.

Closest school

1.2 km

Gaddesden Row JMI School. 3 schools nearby.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around HP2 6HP from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for HP2 6HP

Daytime· 07:00 – 23:00

43.2dB

Low
Night-time road noise heatmap for HP2 6HP

Night-time· 23:00 – 07:00

35.8dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 12 South Dene, Gaddesden Row, Hemel Hempstead, HP2 6HP. Each answer is also embedded as structured data for search engines.