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Data Sources
United Kingdom:TfL / NaPTAN / National Rail · National Chargepoint Registry · Open-Meteo · OpenStreetMap
Great Britain:Police.uk · Ofcom Connected Nations · DEFRA UK-AIR · DfT STATS19 · UKHSA Radon Risk
England & Wales:ONS Census 2021 · ONS Private Rental Market Stats
England:MHCLG EPC Register · Environment Agency · planning.data.gov.uk · HM Land Registry (Price Paid) · Historic England · DEFRA Noise Mapping · DfE / Ofsted / GIAS · VOA Council Tax Bands · CQC / NHS Digital · Food Standards Agency · MHCLG IMD 2025
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SG4 Area Report

North Hertfordshire

Data from 22 official government & open-data sources · Updated June 2026

£483,705
Median Price
Postcode district (SG4)
LOW
Crime Level
Postcode district (SG4)
1
Schools Nearby
15/100
Transport Score
~50 Mbps
Broadband Est.
5.6/10

Investment Score

Average

Based on rental yield, price growth, safety, schools, transport & flood risk in SG4

Rental Yield
4
Price Growth
5.4
Safety
9
Schools
7
Transport
1.5
Flood Risk
6
Planning Friction
9.1
Climate Resilience
6

Crime Statistics

LOW CRIMEPostcode district (SG4)

Low crime area - significantly below average for this region.

5
Crimes/month
40
Area average

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12-Month Crime Trend↑ Increasing

2025-04: 2
2025-05: 0
2025-06: 9
2025-07: 3
2025-08: 3
2025-09: 4
2025-10: 4
2025-11: 2
2025-12: 4
2026-01: 2
2026-02: 12
2026-03: 0
2025-042026-03

↑ 14% vs previous period

Source: Police.uk • Open Government Licence

Deprivation Index (IMD)Local authority (North Hertfordshire)

DECILE 8/10 — 70–80% least deprived

North Hertfordshire has below-average deprivation, in the top 30% of least-deprived areas.

income
7
employment
7
education
7
health
8
crime
7
housing
7
environment
7

1 = most deprived 10%, 10 = least deprived 10% nationally

Source: MHCLG Index of Multiple Deprivation 2025 • Open Government Licence

House Price Index

Local-authority-wide figures for North Hertfordshire (the HPI is only published at LAD level). SG4 spans 3 local authorities; North Hertfordshire is the one covering the bulk of the outcode. For the SG4-specific median see the headline above and the sales sections below.

£420,695
North Hertfordshire average
+1.5%
Annual Change
Stable
Market

Average Price by Type

£803,624
Detached
£481,892
Semi-Detached
£377,725
Terraced
£229,605
Flat

24-Month Price Trend

01/12/2002: £159,376
01/12/2003: £182,933
01/12/2004: £203,081
01/12/2005: £205,820
01/12/2006: £226,246
01/12/2007: £240,351
01/12/2008: £217,463
01/12/2009: £215,981
01/12/2010: £232,952
01/12/2011: £229,854
01/12/2012: £234,642
01/12/2013: £250,660
01/12/2014: £281,878
01/12/2015: £320,220
01/12/2016: £347,375
01/12/2017: £364,548
01/12/2018: £363,779
01/12/2019: £353,892
01/12/2020: £374,532
01/12/2021: £381,458
01/12/2022: £397,417
01/12/2023: £398,888
01/12/2024: £414,563
01/12/2025: £420,695
01/12/200201/12/2025

Source: HM Land Registry UK House Price Index (as of 01/12/2025) • Open Government Licence

Schools & Education

1
Primary
1
Within 1 mile

Breakdown of all 1 schools within 1 mile, by phase.

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Source: Department for Education • School Performance Tables 2024/25

Transport Links

15/100
Limited public transport - car likely needed for most journeys.

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Source: TfL API & National Rail

Browse by property type

Median prices in SG4 broken out by HMLR property type, last 5 years.

Detached
£770,000
524 sales
Semi-detached
£500,000
632 sales
Terraced
£395,000
526 sales
Flat
£235,000
457 sales

Pages only appear above where at least 10 sales were registered in the last 5 years.

Price Trends

Momentum for North Hertfordshire. For the headline SG4 median see the top of the page; for the smoothed local-authority average see the House Price Index section above.

+1.5%
1 Year Change
stable
Market Status
North Hertfordshire
Area Tracked

12 Month Trend

Unlock chart in Property Report

Source: ONS House Price Index • Open Government Licence

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✓Full crime breakdown (all categories)
✓Monthly crime trends chart
✓All schools with Ofsted links
✓Price history charts
✓Average income & economy data
✓Healthcare - GPs, dentists, hospitals
✓EPC certificate & energy costs
✓Planning applications nearby
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Council Tax📍Postcode-level

🔒 Get the actual band for this property£14.95
D
Band D
£68,001 - £88,000 (1991 valuation)
Est. £2,100/year
Estimated band — verify on gov.uk
Band A
Up to £40,000
Band B
£40,001 - £52,000
Band C
£52,001 - £68,000
Band D
£68,001 - £88,000
Band E
£88,001 - £120,000
Band F
£120,001 - £160,000
Band G
£160,001 - £320,000
Band H
Over £320,000

Source: Valuation Office Agency

Planning Applications & Constraints📍Postcode-level

🔒 Get the planning history for this exact property£14.95
Planning Friction
1.5/10
Light restrictions
Designation Stack
1
1 designation
Climate Resilience
6/10
Mixed
Planning Constraints:
Green Belt
What can I actually do here?
✓ Likely allowed (8)
  • Single-storey rear extension (under 4 m)
  • Loft conversion with rear dormer
  • Replace windows (uPVC, double-glazed)
  • Solar PV panels on roof
  • Heat pump (air source) external unit
  • Front porch (under 3 m²)
  • Outbuilding / garden room
  • Fell or significantly prune a tree
⚠ Needs consent (2)
  • Drop kerb / new vehicle access
  • Demolish + rebuild
✗ Blocked (0)
  • —

Indicative only — your local planning authority has the final say.

View council planning portal →

Source: planning.data.gov.uk

Heritage & Listed Buildings📍Postcode-level

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Listed Buildings Nearby
1
Grade II

Source: Historic England

Noise Levels

quiet
This location falls outside DEFRA strategic noise contours, indicating low environmental noise levels.

Source: DEFRA Strategic Noise Maps (Round 3)

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BroadbandEst.

Avg Download~50 Mbps
Max Available~500 Mbps
Superfast+ Yes
Full Fibre× No

Estimated from area data • Verify on Ofcom

Air Quality

Low

Low pollution. Ideal for outdoor activities.

Source: DEFRA UK-AIR

Flood Risk

NONE RISK

No current flood alerts in this area.

Source: Environment Agency

Walkability

0/100

Poor walkability - car likely necessary for daily needs.

Within ½ mile:0 places

Source: OpenStreetMap

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Explore More for SG4

Price TrendsCost of LivingFlatsHousesDetachedSemi-DetachedTerraced

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Local Climate

5-year average from Open-Meteo

10.8°C
Avg Temperature
720mm
Annual Rainfall
2764h
Sunshine/Year
22.3 km/h
Avg Wind
Warmest: July
Coldest: January
Wettest: November
Driest: April
Now: 15.1°C, Mainly clearHumidity: 74%

Source: Open-Meteo Historical Weather API

Food Hygiene Ratings

7 rated establishments within 1 mile

4.6/5
Average Rating
86%
Rated Good or Very Good
7
Total Establishments
The Rusty GunPub/bar/nightclub
2/5
St Ippolyts StoresRetailers - other
5/5
St Ippolyts SchoolSchool/college/university
5/5
Elite Hospitality North WestHotel/bed & breakfast/guest house
5/5
Bird in HandPub/bar/nightclub
5/5

Source: Food Standards Agency

Energy & Carbon Intensity

Grid region: Unknown

16%
Renewable Energy
220g
CO₂/kWh
high
Intensity Level

Generation Mix

gas 50.8%wind 16.3%biomass 12.6%nuclear 11.9%imports 8.3%hydro 0.1%

Source: National Grid ESO Carbon Intensity API

Elevation

80m
Elevatedabove sea level

At 80m above sea level, this location is well-elevated, significantly reducing flood risk from coastal and river sources.

Source: Open Topo Data (SRTM 30m)

Area Reviews

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