Postcode SE23 3JG 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 81.1 crimes per 1,000 residents per year. The average income per household in Upper Sydenham is £77,466 per year. The nearest station is Forest Hill located about 0.2 miles away. There are 15 primary and 2 secondary schools in the area. There are 3 parks nearby, closest small park is Horniman Triangle.
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 81.1 reported incidents per 1,000 population each year.
Approximately 27.5% 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 per household in Upper Sydenham is £77,466 per year.
High noise level (70.0-74.9 dB) from road, approximately 114 ft away from SE23 3JG.
Upper Sydenham near SE23 3JG has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.
The nearest station is Forest Hill located about 0.2 miles away. There are 2 stations nearby.
| Distance | Zone | Name | Lines | Directions |
|---|---|---|---|---|
| 0.2 mi | 3 | Forest Hill | Overground, Southern | Walking directions to Forest Hill |
| 0.6 mi | 3 | Sydenham | Overground, Southern | Walking directions to Sydenham |
| Distance | Name | Size | Directions |
|---|---|---|---|
| 0.4 mi | Horniman Triangle | Small | Walking directions to Horniman Triangle |
| 0.3 mi | Baxters Field | Small | Walking directions to Baxters Field |
| 0.1 mi | Albion Millennium Green | Small | Walking directions to Albion Millennium Green |
Based on 156 recent sales, the median property price is £442,500 in Forest Hill area, with individual transactions ranging from £190,000 up to £2,500,000.
Price distribution per property type (last year)
Median sale price and percentiles per property type (last year)
| Type | Sales | Median |
|---|---|---|
| Detached | 10 | £1,027,500 |
| Flats | 97 | £375,000 |
| Semi-Detached | 23 | £882,000 |
| Terraced | 26 | £671,500 |
10 year median price trend in Forest Hill
In the SE23 3JG postcode area, located within Upper Sydenham, there are 15 primary and 2 secondary schools in close proximity.
13 nearby supermarkets & convenience stores within mi of SE23 3JG
| Distance | Name | Address | Directions |
|---|---|---|---|
| 0 mi | Three Kings | 97 Dartmouth Road, London, SE23 3HT | Walking directions to Three Kings |
| 0 mi | HEB Mini Market | Dartmouth Road, Lewisham, SE23 3AS | Walking directions to HEB Mini Market |
| 0.1 mi | Forest Hill Supermarket | 61 Dartmouth Road, London, SE23 3HN | Walking directions to Forest Hill Supermarket |
| 0.2 mi | Forest Hill Supermarket | Lewisham, SE23 2AR | Walking directions to Forest Hill Supermarket |
| 0.2 mi | Inpans food | 20 London Road, Lewisham, SE23 3HF | Walking directions to Inpans food |
Annual council tax rates for Lewisham district (2025-26).
Council tax bands are based on the value of your property. Most homes fall into bands A to D.
All data is sourced from official UK government agencies and public datasets. Last updated: 16/01/2026.