Property Diligence

Chiswick (W4) or Hammersmith (W6): an area comparison

Hammersmith has the lower recorded-sale median by £139,250. The cards below show how the two areas compare on prices, schools, green space, local profile and transport.

The short answer

Which has the lower district median?

Chiswick: £800,000. Hammersmith: £660,750.

Hammersmith is lower in this 24-month sample.

Which has the broader school register?

Chiswick: 9. Hammersmith: 14 open establishments.

This is the size of each district's registered school base.

How does everyday access compare?

Bus nodes: W4 94, W6 65. mapped green-space sites: W4 70, W6 44.

These counts show the scale of each district's transport and outdoor offer.

The broad price gap is £139,250 across the 24-month samples. That gives Hammersmith the lower starting point, while the remaining sections show where the two district profiles differ.

Chiswick has 9 registered schools, 70 mapped green-space sites and 94 bus nodes. Hammersmith has 14, 44 and 65 respectively.

District prices

W4 recorded 981 completed sales in the 24-month sample. The median was £800,000. The £1,107,924 average is higher because a small number of expensive sales can lift it.

W6 recorded 710 completed sales in the 24-month sample. The median was £660,750. The £980,506 average is higher because a small number of expensive sales can lift it.

W4

Median recorded sale
£800,000
Average recorded sale
£1,107,924
Recorded sales
981 (24 months)
HM Land Registry Price Paid Data. local 2025-2026 bulk snapshot. Retrieved 2026-10-01.
How this was counted

Postcode district. non-deleted recorded sales in preceding 24 months.

W6

Median recorded sale
£660,750
Average recorded sale
£980,506
Recorded sales
710 (24 months)
HM Land Registry Price Paid Data. local 2025-2026 bulk snapshot. Retrieved 2026-10-01.
How this was counted

Postcode district. non-deleted recorded sales in preceding 24 months.

Crime and serious-crime share

Police.uk records 4,428 reports from 2025-07 to 2026-06. Violence and sexual offences, robbery, burglary and weapons-possession reports account for 1,256, or 28.4% of the total.

Police.uk records 6,940 reports from 2025-07 to 2026-06. Violence and sexual offences, robbery, burglary and weapons-possession reports account for 2,140, or 30.8% of the total.

W4

Reported crime, 12 months
4,428
Selected report-category share
1,256 (28.4%)
data.police.uk street-level crime custom download. 2025-07 to 2026-06; seven verified programme forces. Original download date not recorded.
How this was counted

Postcode district. Police.uk anonymised coordinates assigned to nearest Code-Point Open centroid; selected-category share is not an official severity rate.

W6

Reported crime, 12 months
6,940
Selected report-category share
2,140 (30.8%)
data.police.uk street-level crime custom download. 2025-07 to 2026-06; seven verified programme forces. Original download date not recorded.
How this was counted

Postcode district. Police.uk anonymised coordinates assigned to nearest Code-Point Open centroid; selected-category share is not an official severity rate.

Local-area deprivation context

IMD is a Government local-area scale from 1 to 10: 1 is the poorer end, while 10 is the more well-off end. W4 has a median of 6.0. 1.7% of mapped postcode units are in the poorer 1 to 3 band and 20.0% are in the more well-off 8 to 10 band.

IMD is a Government local-area scale from 1 to 10: 1 is the poorer end, while 10 is the more well-off end. W6 has a median of 6.0. 13.4% of mapped postcode units are in the poorer 1 to 3 band and 5.9% are in the more well-off 8 to 10 band.

W4

Median IMD decile
6.0 / 10
Postcode units in deciles 1–3
1.7%
Postcode units in deciles 8–10
20.0%
MHCLG English Indices of Deprivation postcode download. 2025. Original download date not recorded.
How this was counted

Postcode district. distribution of official IMD25 postcode assignments; England only.

W6

Median IMD decile
6.0 / 10
Postcode units in deciles 1–3
13.4%
Postcode units in deciles 8–10
5.9%
MHCLG English Indices of Deprivation postcode download. 2025. Original download date not recorded.
How this was counted

Postcode district. distribution of official IMD25 postcode assignments; England only.

Schools

The register lists 9 open establishments in W4. It is a useful picture of the local school base, across the phases shown in the card below.

The register lists 14 open establishments in W6. It is a useful picture of the local school base, across the phases shown in the card below.

W4

Registered school sites
9 (Primary: 8, Secondary: 1)
DfE Get Information about Schools establishment register. 2026-08-02. Original download date not recorded.
How this was counted

Postcode district. open GIAS establishments grouped by registered postcode district.

W6

Registered school sites
14 (16 plus: 1, Nursery: 1, Primary: 10, Secondary: 2)
DfE Get Information about Schools establishment register. 2026-08-02. Original download date not recorded.
How this was counted

Postcode district. open GIAS establishments grouped by registered postcode district.

Green space and outdoor sport

OS maps 70 green-space or outdoor-sport sites covering 126.47 hectares, including 5 public parks or gardens. This gives the district a substantial mapped outdoor offer.

OS maps 44 green-space or outdoor-sport sites covering 31.49 hectares, including 8 public parks or gardens. This gives the district a substantial mapped outdoor offer.

W4

Mapped OS green-space sites
70
Mapped site area
126.47 ha
Public parks or gardens
5
OS Open Greenspace. April 2026 programme-city tile manifest. Original download date not recorded.
How this was counted

Postcode district. OS Open Greenspace April 2026 site polygon geometric centroid assigned to nearest Code-Point Open postcode centroid.

W6

Mapped OS green-space sites
44
Mapped site area
31.49 ha
Public parks or gardens
8
OS Open Greenspace. April 2026 programme-city tile manifest. Original download date not recorded.
How this was counted

Postcode district. OS Open Greenspace April 2026 site polygon geometric centroid assigned to nearest Code-Point Open postcode centroid.

Flood context

The source covers 1,044 postcode units. 238 have high-risk surrounding addresses and 242 have medium-risk surroundings.

The source covers 771 postcode units. 121 have high-risk surrounding addresses and 217 have medium-risk surroundings.

W4

Postcode units in source
1,044
Units with high-risk surroundings
238
Units with medium-risk surroundings
242
Environment Agency Flood risk: postcode search tool data. 2026-07-10. Original download date not recorded.
How this was counted

Postcode district. sum of Environment Agency postcode source counts by outward postcode; counts concern areas around addresses, not a named property.

W6

Postcode units in source
771
Units with high-risk surroundings
121
Units with medium-risk surroundings
217
Environment Agency Flood risk: postcode search tool data. 2026-07-10. Original download date not recorded.
How this was counted

Postcode district. sum of Environment Agency postcode source counts by outward postcode; counts concern areas around addresses, not a named property.

Air quality

The 2024 modelled annual-mean NO₂ median is 18.8 µg/m³. 100.0% of mapped units exceed the WHO 10 µg/m³ guideline and 0.0% meet or exceed 40 µg/m³.

The 2024 modelled annual-mean NO₂ median is 20.1 µg/m³. 100.0% of mapped units exceed the WHO 10 µg/m³ guideline and 0.0% meet or exceed 40 µg/m³.

W4

Median annual mean NO₂
18.8 µg/m³
Postcode units above WHO 10 µg/m³
100.0%
Postcode units at or above legal 40 µg/m³
0.0%
DEFRA Pollution Climate Mapping annual-mean NO2 grid. 2024. Original download date not recorded.
How this was counted

Postcode district. DEFRA PCM 2024 1 km modelled annual-mean NO2 looked up at each Code-Point Open postcode centroid; postcode-unit weighted district summary.

W6

Median annual mean NO₂
20.1 µg/m³
Postcode units above WHO 10 µg/m³
100.0%
Postcode units at or above legal 40 µg/m³
0.0%
DEFRA Pollution Climate Mapping annual-mean NO2 grid. 2024. Original download date not recorded.
How this was counted

Postcode district. DEFRA PCM 2024 1 km modelled annual-mean NO2 looked up at each Code-Point Open postcode centroid; postcode-unit weighted district summary.

Transport access nodes

NaPTAN contains 94 active bus nodes and 20 rail, metro or tram nodes across W4. Together, they describe the district-wide public-transport network.

NaPTAN contains 65 active bus nodes and 21 rail, metro or tram nodes across W6. Together, they describe the district-wide public-transport network.

W4

Active bus access nodes
94
Active rail, metro or tram nodes
20
NaPTAN. 2026-08-02. Original download date not recorded.
How this was counted

Postcode district. active NaPTAN access node assigned to nearest Code-Point Open centroid.

W6

Active bus access nodes
65
Active rail, metro or tram nodes
21
NaPTAN. 2026-08-02. Original download date not recorded.
How this was counted

Postcode district. active NaPTAN access node assigned to nearest Code-Point Open centroid.

Broadband availability

The postcode-unit median maximum advertised download is 1,000 Mbit/s, with 100.0% full-fibre and 100.0% gigabit availability.

The postcode-unit median maximum advertised download is 1,000 Mbit/s, with 100.0% full-fibre and 100.0% gigabit availability.

W4

Median maximum advertised download
1,000 Mbit/s
Median full-fibre availability
100.0%
Median gigabit availability
100.0%
Ofcom Connected Nations. 2025. Original download date not recorded.
How this was counted

Postcode district. median across postcode units.

W6

Median maximum advertised download
1,000 Mbit/s
Median full-fibre availability
100.0%
Median gigabit availability
100.0%
Ofcom Connected Nations. 2025. Original download date not recorded.
How this was counted

Postcode district. median across postcode units.

Road safety

DfT records 309 personal-injury collisions in 2022 to 24: 1 fatal, 54 serious and 254 slight.

DfT records 393 personal-injury collisions in 2022 to 24: 2 fatal, 86 serious and 305 slight.

W4

Reported collisions, 2022–24 (raw count)
309
Fatal
1
Serious
54
Slight
254
DfT STATS19 Road Safety Data. 2022-2024 collision files. Original download date not recorded.
How this was counted

Postcode district. 2022–24 STATS19 collision assigned to nearest Code-Point Open centroid.

W6

Reported collisions, 2022–24 (raw count)
393
Fatal
2
Serious
86
Slight
305
DfT STATS19 Road Safety Data. 2022-2024 collision files. Original download date not recorded.
How this was counted

Postcode district. 2022–24 STATS19 collision assigned to nearest Code-Point Open centroid.

Sources and method

For an address-specific desk check, Property Diligence’s paid report adds the more detailed property-level information available from public sources.