Postcode SE23 3HW is located in a major urban area, within the Forest Hill ward of Lewisham in the London region, and forms part of the Upper Sydenham area. It has high deprivation and high crime levels, with around 97.9 crimes per 1,000 residents per year. The average income of residents in Upper Sydenham is £56,400 per year. The nearest station is Forest Hill located about 0.1 miles away. There are 15 primary and 2 secondary schools in the area. There are 4 parks nearby, closest large park is Horniman Museum and Gardens.
Upper Sydenham has a high level of deprivation, ranked at position 7,863 out of 32,844 areas in the United Kingdom — placing it within the top 24% most deprived areas in England.
Upper Sydenham has a high crime rate, with approximately 97.9 reported incidents per 1,000 residents each year.
Approximately 35.1% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 31.6% of dwellings are socially rented.
The average income of residents in Upper Sydenham is £56,400 per year.
Very High noise level (>=75.0 dB) from rail, approximately 4 ft away from SE23 3HW.
Upper Sydenham near SE23 3HW has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.
Based on 173 recent sales, the median property price is £452,000 in Forest Hill area, with individual transactions ranging from £190,000 up to £1,900,001.
Price per property type (last year)
Price per property type (last year)
| Type | Sales | Median |
|---|---|---|
| Detached | 11 | £1,075,000 |
| Flats | 107 | £385,000 |
| Semi-Detached | 21 | £940,000 |
| Terraced | 34 | £690,000 |
10 years price trend in Forest Hill
In the SE23 3HW postcode area, located within Upper Sydenham, there are 15 primary and 2 secondary schools in close proximity.
All data is sourced from official UK government agencies and public datasets. Last updated: 16/10/2025.