SL7 Postcode Data
Property data for the SL7 postcode district covering Windsor and Maidenhead. Sold prices, crime statistics, energy performance, and demographic insights, all from HM Land Registry, Police UK, and the EPC Register.
Quick answer
The average sale price in SL7 is £518,821 (median £416,250), based on 108 HM Land Registry transactions. Police UK recorded 72 crimes within a 1-mile radius in 2026-03. The average EPC rating across 134 certified properties is 75/100.
Headline pricing in SL7 is above the UK national average (England & Wales average ~£290k as of 2025). Stock is dominated by flat-maisonette properties (56 of the last 108 sales). Energy efficiency here is around the UK average.
Avg sale price
£518,821
108 sales
Median price
£416,250
Crime incidents
72
2026-03
Avg EPC score
75/100
134 certs
Recent sold prices
Latest 30 property sales in the SL7 area, sourced from HM Land Registry Price Paid Data.
flat-maisonette
£397,496
56 sales
terraced
£632,396
34 sales
semi-detached
£401,167
9 sales
detached
£133,000
2 sales
| Date | Address | Type | Price |
|---|---|---|---|
| Dec 2025 | 36, GRAINGER HOUSE, FINDLAY MEWS, MARLOW | flat-maisonette | £295,000 |
| Oct 2025 | 7, CARLTON PLACE, MARLOW | flat-maisonette | £375,000 |
| Sept 2025 | 26, GRAINGER HOUSE, FINDLAY MEWS, MARLOW | flat-maisonette | £349,950 |
| Sept 2025 | 17, FINDLAY MEWS, MARLOW | terraced | £625,000 |
| Jul 2025 | 88, HIGH STREET, MARLOW | semi-detached | £235,000 |
| Nov 2024 | 6, FERRIS HOUSE, FINDLAY MEWS, MARLOW | flat-maisonette | £350,000 |
| Sept 2024 | 6, CARLTON PLACE, MARLOW | flat-maisonette | £420,000 |
| Aug 2024 | 24, FINDLAY MEWS, MARLOW | terraced | £570,000 |
| Jul 2024 | FLAT 2, NEW COURT, LISTON ROAD, MARLOW | flat-maisonette | £520,000 |
| Mar 2024 | FLAT 5, CHISWICK LODGE, LISTON ROAD, MARLOW | flat-maisonette | £439,950 |
| Aug 2023 | NEW COURT HOUSE, LISTON ROAD, MARLOW | other | £85,500 |
| Aug 2023 | 22, FINDLAY MEWS, MARLOW | terraced | £650,000 |
| Jul 2023 | 65, HIGH STREET, MARLOW | other | £1,900,000 |
| Jun 2023 | FLAT 4, NEW COURT, LISTON ROAD, MARLOW | flat-maisonette | £675,000 |
| May 2023 | FLAT 5, NEW COURT, LISTON ROAD, MARLOW | flat-maisonette | £645,000 |
Crime in SL7
72 reported crimes within a 1-mile radius of the postcode centroid in 2026-03, from Police UK data.
Violent Crime
28
Criminal Damage Arson
11
Shoplifting
9
Other Theft
8
Public Order
5
Energy performance
Aggregate EPC stats from 134 recently-certified properties in the SL7 area.
Avg current score
75/100
Avg potential
79/100
Avg energy cost
£544/yr
Sample size
134
Rating distribution
A
0
B
50
C
60
D
12
E
7
F
4
G
1
Area information
- Local authority
- Windsor and Maidenhead, Buckinghamshire
- Country
- England
- Wards
- Chiltern Villages, Marlow, Bisham & Cookham
- Constituency
- Beaconsfield
- Latitude
- 51.5755
- Longitude
- -0.7781
More for SL7
Typical property
What the typical SL7 property looks like
Area summary, buyer notes, researched facts
Sold prices tool
Full transaction history for SL7
HM Land Registry from 1995
Corporate freeholders
Companies registered in SL7
Live Companies House data + PSCs
EPC checker
Look up any SL7 address
Energy ratings + improvement options
Crime checker
Local breakdown for SL7
Police UK monthly data
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Get a Property ReportData sources & methodology
Sold prices: HM Land Registry Price Paid Data, the official UK government records updated monthly. Sample uses the 30 most recent registered transactions in the postcode area.
Crime: Police UK street-level crime data. Counts cover a 1-mile radius from the SL7 postcode centroid for the most recent month available (typically 2 months behind).
EPC: opendatacommunities.org, the official UK Energy Performance Certificate register. Aggregate stats from up to 30 most recent certificates in the postcode.
Area data: postcodes.io, open data from the Office for National Statistics.