Postcode Analysis North Hertfordshire, East of England

ST MARTINS ROAD, SG3 6DD House Prices & Local Information

Comprehensive demographic deep-dive and infrastructure audit for ST MARTINS ROAD, SG3 6DD.

analytics Demographics: Census 2021 local_police Crime: police.uk · 2026-02 (1–2 month lag)home Prices: Land Registry
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groups
Population

361

cake
Avg Age

43

payments
Avg Income

£ 55,300 /yr

work
Employed

57%

Neighbourhood Index

infoHow calculated?

Score 1–10 — how this postcode ranks nationally (10 = top 10%)

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Index Insight: SG3 6DD is ranked in the top 20% nationally for affluence, indicating a high-income demographic. The area also shows excellent employment metrics, indicating a highly economically active population.

shieldSafety
4/10
family_restroomFamily
3/10
favoriteHealth
2/10
workEmployment
9/10
diversity_3Diversity
6/10
paymentsAffluence
9/10
directions_transitTransit
6/10
homeHome Ownership
5/10
trending_upInvestment
5/10
psychology

Area Character

A sought-after, premium postcode. SG3 6DD's low deprivation rank, 58% ownership, and £193k median price place it in the top quintile nationally for residential quality. Low crime and mid-career demographics put this at peak family desirability.

home £193,500 median price shield Safety 4/10
verifiedPublished by PostcodeInfo.uk · · Sources: ONS Census 2021, police.uk, Land Registry

SG3 6DD is a sought-after residential area on St Martins Road, 0.1km from Knebworth in Knebworth. Administratively it sits within Knebworth ward and the Stevenage constituency.

One of the more sought-after postcodes in SG3, SG3 6DD offers a young, family-focused suburb — children, starter homes, good schools nearby. Outside of residential hours, ethnically mixed self-employed professional services, home workers in outer suburbs. At 43 years average, expect a well-rounded neighbourhood — a blend of established families, working professionals, and longer-term owner-occupiers.

Safety: Crime rates are low here at 33 incidents per 1,000 residents — well below average and reassuring for families. Property: Average house prices are around £193k. The area ranks among the least deprived 20% in England — a strong signal of community wellbeing, good schools, and low crime.

Census 2021 statistics for SG3 6DD are sourced from Output Area E00119996 (shared with 93 postcodes in this micro-neighbourhood). Property prices come from HM Land Registry.

mapGeographic Location

open_in_new Open Interactive Map

Demographic Deep-Dive

The Census 2021 data below shows the full population breakdown for SG3 6DD. The average age is 43.5. Figures are sourced from the Office for National Statistics and cover ethnicity, age, religion, education, occupation, housing tenure, and more.

Ethnicity Profile

White / British89.5%
Asian / British Asian6.9%
Black / African / Caribbean0.6%
Other / Mixed3.0%

Economic Activity

57%Active
FT: 40%
Unemployed: 1%
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Community Makeup: A balanced, mature neighborhood. The average age points to a solid foundation of mid-career individuals.

analytics Full Demographics Profile

home Property Prices by Type

Flat

£ 193,500

1 sales · Mean £ 193,500

gavel Crime Overview 12 Months (up to 2026-02)

SG3 6DD has low crime rates — 33 incidents per 1,000 residents. The most reported categories are violence and sexual offences and shoplifting. Commercial streets and transport hubs naturally generate more incidents than quiet residential roads.

Violence and sexual offences20
Shoplifting17
Anti-social behaviour16
Burglary9
Vehicle crime8

school Local Schools

P

Knebworth Primary and Nursery School

Good425 pupils0.2 km
P

All Saints Church of England Voluntary Aided Primary School, Datchworth

Good151 pupils1.6 km

storefront Nearby Amenities

restaurant

Restaurant, Cafe

4 nearby
  • Dominic's cafe0.4 km
  • Lucas May Coffee Gelato0.1 km
  • Caffe Vero0.2 km
  • Coasters0.1 km
fastfood

Takeaway Shop

3 nearby
  • Knebworth Fish and Chips0.1 km
  • Ming Che Chinese Takeaway0.1 km
  • Raja Takeaway0.1 km
shopping_bag

Retailers - Other

8 nearby
  • Elysian Beauty & Aesthetics Clinic0.1 km
  • Simmons Bakers Ltd0.1 km
  • Sugar Boutique0.2 km
  • Knebworth Food Bank0.0 km
  • Knebworth Ltd0.6 km
  • + 3 more
local_bar

Pub, NightClub

3 nearby
  • Knebworth Golf Club0.8 km
  • The Royal British Legion0.4 km
  • The Station0.4 km
local_grocery_store

Supermarkets

1 nearby
  • Co-op0.1 km

train Transport Links

Train Stations

  • Knebworth0.4 km
  • Stevenage4.0 km
  • Watton-At-Stone4.4 km

Bus Stops

  • Station Road0.2 km
  • Station Road0.2 km
  • Knebworth Rail Station0.4 km
  • Knebworth Rail Station0.4 km
  • Knebworth Railway Station0.4 km