Skip to main content
Postcodewise logo

SM4

Outer Postcode Area • 880 Postcodes
Merton·London·England
Merton 51.3930°N, 0.2002°W
65
65/100Overall Score
High Livability
GIS Studio
Boundary Map

Working on listings or site checks?

Free reports are for movers. Agents and property teams use a Business workspace for shared seats, API, surveys and CSV uploads.

Start a Business workspace See pricing
BTL & Yields
Property Investor & Landlord Lens Underwriting & Deal Due Diligence

Investment Metrics & Statutory Planning for SM4

Sold price per square foot, indicative gross yield, Article 4 status and ground stability, from official open data.

Sold £ / sq ft
—

HM Land Registry & EPC Data

Gross Rental Yield
6.1%p.a.

Area rent ÷ area price, indicative

Article 4 (HMO)
None recorded

Conservation area controls apply

Subsidence Risk
Not available

British Geological Survey

Property Investment Yields & Valuation Metrics

HM Land Registry Price Paid & ONS Private Rental Statistics

Balanced Yield
Average Sold £/sq ft
— Unavailable
Needs EPC floor areas
Est. Gross Rental Yield
6.13% p.a.
Based on recorded private market rents
Avg Property Floor Area
—
No EPC area records
Median price change
—
Needs 3+ years of sales
Valuation Notice: Indicative metrics derived from HM Land Registry and ONS aggregate sector statistics. They do not constitute formal RICS Red Book appraisals, mortgage valuations, or financial advice.

Planning constraints

planning.data.gov.uk (DLUHC) & Historic England

Moderate constraint level
Article 4 direction
Not published
Conservation areaNear boundary
Inside an area
Upper Morden
Official record
Listed buildings within 100m
0
Nearest: Grade II OLD SCHOOL HOUSE, 182m
Official record
Tree preservation zone
Not published

Some permitted development rights are restricted here, so changes may need planning permission.

  • Merton has not published Article 4 direction areas to planning.data.gov.uk, so they could not be checked.
  • Inside the Upper Morden conservation area: stricter controls on external changes, demolition and tree works.

Spatial screening uses the postcode centroid. Properties on boundaries must be checked against the council’s own maps.

Ground Stability, Subsidence & Radon Hazards

BGS & Coal Authority Public Registers

Data Unavailable Safety Rating Unrated
BGS Clay Shrink-Swell
Unrecorded
Requires local survey
Coal Mining Risk
Unrecorded
Search recommended
Radon Gas Potential
Unrecorded
UKHSA Atlas unverified
Mine Entries Within 200m
Unrecorded
Statutory public register
Data Limitation: Official BGS and Coal Authority data has not been ingested for this location.

Data quality: Aggregated across 880 constituent postcodes

880 official/live sections, 0 fallback sections, 0 missing or limited sections. Generated 28 Oct 2026, 16:50.

95% coverage postcode directory
Frequently Asked Questions

Frequently Asked Questions

Official open-data answers about safety, schools, connectivity, and living in SM4.

Is SM4 a good place to live?

SM4 in Merton scores 65.3/100 overall in the Postcodewise area report, which combines safety, schools, transport, housing, demographics, environment and connectivity from official open data.

What is the crime rate in SM4?

The SM4 report shows recent police-recorded crime levels and trends in Merton, sourced from Police.uk street-level data.

What schools are near SM4?

The SM4 schools report lists nearby primary and secondary schools with Ofsted-linked ratings and distances.

How well connected is SM4?

The SM4 report covers nearby transport links, broadband speeds and mobile coverage for the area.

Explore nearby areas

Open area reports for postcodes and streets close to this one.

Detailed answer to your frequently asked question