Postcode SE23 3XJ 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 average deprivation and average crime levels, with around 61.8 crimes per 1,000 residents per year, about 52% below the London average of 130 per 1,000. The average income per household in Upper Sydenham is £77,466 per year. The nearest station is Forest Hill, about 0.4 miles away. There are 13 primary and 2 secondary schools in the area. There are 4 parks nearby, the closest large park is Horniman Museum and Gardens.
Upper Sydenham has an average level of deprivation, ranked at position 14,362 out of 32,844 areas in the United Kingdom, placing it within the top 44% most deprived areas in England.
Upper Sydenham has an average crime rate, with approximately 61.8 reported incidents per 1,000 population each year.
Approximately 2.9% 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.
Low noise level (55.0-59.9 dB) from road, approximately 158 ft away from SE23 3XJ.
Upper Sydenham near SE23 3XJ 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 0.4 miles away. There are 3 stations nearby.
| Distance | Zone | Name | Lines | Directions |
|---|---|---|---|---|
| 0.4 mi | 3 | Forest Hill | Overground, Southern | Walking directions to Forest Hill |
| 0.9 mi | 3 | Sydenham | Overground, Southern | Walking directions to Sydenham |
| 0.9 mi | 3 | Sydenham Hill | Southeastern, Thameslink | Walking directions to Sydenham Hill |
| Distance | Name | Size | Directions |
|---|---|---|---|
| 0.3 mi | Horniman Museum and Gardens | Large | Walking directions to Horniman Museum and Gardens |
| 0.1 mi | Horniman Triangle | Small | Walking directions to Horniman Triangle |
| 0.2 mi | Baxters Field | Small | Walking directions to Baxters Field |
Based on 164 recent sales, the median property price is £492,500 (about £651 per square foot) in Forest Hill area, with individual transactions ranging from £164,139 up to £2,250,000.
| Type | Sales | Median | £/sq ft |
|---|---|---|---|
| Semi-Detached | 25 | £948,000 | £699 |
| Detached | 6 | £945,000 | £811 |
| Terraced | 32 | £756,500 | £680 |
| Flats | 101 | £420,000 | £607 |
Sale price
| Year | Detached | Flats | Semi-Detached | Terraced |
|---|---|---|---|---|
| 2016 | £905,000 | £385,000 | £841,250 | £615,000 |
| 2017 | £1,118,000 | £368,000 | £900,000 | £615,000 |
| 2018 | £970,000 | £350,000 | £825,500 | £597,500 |
| 2019 | £1,065,000 | £350,000 | £745,000 | £569,000 |
| 2020 | £932,500 | £375,000 | £1,000,000 | £620,500 |
| 2021 | £1,150,000 | £375,000 | £945,000 | £675,000 |
| 2022 | £1,287,500 | £375,000 | £992,500 | £731,500 |
| 2023 | £900,000 | £382,500 | £900,000 | £662,500 |
| 2024 | £1,025,000 | £395,000 | £985,000 | £700,000 |
| 2025 | £950,000 | £393,500 | £960,500 | £677,500 |
| 2026 | — | £415,000 | £946,500 | £771,000 |
Price per sq ft
| Year | Detached | Flats | Semi-Detached | Terraced |
|---|---|---|---|---|
| 2016 | £798 | £570 | £596 | £554 |
| 2017 | £647 | £572 | £544 | £556 |
| 2018 | £574 | £547 | £597 | £548 |
| 2019 | £617 | £556 | £601 | £527 |
| 2020 | £537 | £552 | £627 | £609 |
| 2021 | £671 | £583 | £657 | £589 |
| 2022 | £728 | £563 | £680 | £668 |
| 2023 | £651 | £571 | £663 | £606 |
| 2024 | £728 | £584 | £673 | £631 |
| 2025 | £706 | £596 | £701 | £703 |
| 2026 | — | £611 | £645 | £706 |
There were 50+ recent sold properties in the last 18 months near SE23 3XJ.
| Date | Address | Type | Tenure | Price | Map |
|---|---|---|---|---|---|
| 24 Sept 2025 | 13, Little Brownings, London, SE23 3XJ | Terraced | Freehold | £799,950 | |
| 20 Oct 2025 | 31, Eliot Bank, London, SE23 3XE | Flats | Leasehold | £290,000 | |
| 27 Feb 2026 | Flat 9, Attleborough Court, Sydenham Hill, London, SE23 3PL | Flats | Leasehold | £385,000 | |
| 21 Nov 2025 | Flat 24, Attleborough Court, Sydenham Hill, London, SE23 3PL | Flats | Leasehold | £310,000 | |
| 01 Dec 2025 | 21, Heathedge, London, SE26 4NH | Flats | Leasehold | £260,000 |
In the SE23 3XJ postcode area, located within Upper Sydenham, there are 13 primary and 2 secondary schools in close proximity.
10 nearby supermarkets & convenience stores within mi of SE23 3XJ
| Distance | Name | Address | Directions |
|---|---|---|---|
| 0.2 mi | Tesco Express | 86 London Road, London, SE23 3PE | Walking directions to Tesco Express |
| 0.3 mi | Sainsbury's | 34-48 London Road, London, SE23 3HF | Walking directions to Sainsbury's |
| 0.3 mi | Inpans food | 20 London Road, Lewisham, SE23 3HF | Walking directions to Inpans food |
| 0.3 mi | One Stop | Lewisham, SE23 3XU | Walking directions to One Stop |
| 0.3 mi | Forest Hill Supermarket | 61 Dartmouth Road, London, SE23 3HN | Walking directions to Forest Hill Supermarket |
Annual council tax rates for Lewisham district.
Council tax bands are based on the value of your property. Most homes fall into bands A to D.
Elected local representatives for SE23 3XJ, including ward councillors and the local member of parliament.
Annabelle Roberts
Forest Hill - Elected 7 May 2026
Fergus Navaratnam-Blair
Forest Hill - Elected 7 May 2026
Peter Bernards
Forest Hill - Elected 7 May 2026
Ellie Reeves
Lewisham West and East Dulwich - Elected 4 Jul 2024
The area around SE23 3XJ records about 62 crimes per 1,000 residents per year, which is a average crime rate for England: it scores 5 out of 10 on the Area360 crime scale, where 10 is the highest crime level. Across London as a whole the rate is about 130 per 1,000. The most common offences locally are violence and sexual offences, anti-social behaviour and public order.
The median sale price around SE23 3XJ in Upper Sydenham is £492,500 (about £651 per square foot) based on 164 registered sales according to HM Land Registry data.
There are 19 schools close to SE23 3XJ, including Eliot Bank Primary School (Good), Holy Trinity Church of England Primary School (Good) and Sydenham School (Good). Ratings are from the latest Ofsted inspections.
The closest station to SE23 3XJ is Forest Hill in TfL zone 3, about 642 m away, serving the Overground and Southern lines.
SE23 3XJ scores 6 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 14,362 of 32,844 in England on the official Index of Multiple Deprivation (rank 1 is the most deprived).
The Member of Parliament for Lewisham West and East Dulwich covering SE23 3XJ is Ellie Reeves (Labour Party), elected at the 2024 general election. The area is represented by 3 local councillors: Annabelle Roberts (Green Party), Fergus Navaratnam-Blair (Green Party) and Peter Bernards (Labour and Co-operative Party).