Postcode SE23 3YF 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 79.7 crimes per 1,000 residents per year, about 39% 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 0.2 miles away. There are 14 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 a high level of deprivation, ranked at position 7,146 out of 32,844 areas in the United Kingdom, placing it within the top 22% most deprived areas in England.
Upper Sydenham has a high crime rate, with approximately 79.7 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.
Very High noise level (>=75.0 dB) from road, approximately 86 ft away from SE23 3YF.
Upper Sydenham near SE23 3YF 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 |
| 0.7 mi | 3 | Sydenham | Overground, Southern | Walking directions to Sydenham |
| Distance | Name | Size | Directions |
|---|---|---|---|
| 0.5 mi | Horniman Museum and Gardens | Large | Walking directions to Horniman Museum and Gardens |
| 0.4 mi | Horniman Triangle | Small | Walking directions to Horniman Triangle |
| 0.3 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 3YF.
| Date | Address | Type | Tenure | Price | Map |
|---|---|---|---|---|---|
| 19 Jun 2025 | Flat 10, Kingswear House, Dartmouth Road, London, SE23 3YE | Flats | Leasehold | £335,000 | |
| 14 May 2025 | 29, Dartmouth Place, London, SE23 3AU | Other | Leasehold | £265,000 | |
| 21 Mar 2025 | 13, Derby Hill, London, SE23 3YD | Semi-Detached | Freehold | £882,000 | |
| 05 Nov 2025 | 20, Clyde Terrace, London, SE23 3BA | Other | Leasehold | £425,000 | |
| 15 Aug 2025 | 2, Clyde Terrace, London, SE23 3BA | Other | Leasehold | £7,260 |
In the SE23 3YF postcode area, located within Upper Sydenham, there are 14 primary and 2 secondary schools in close proximity.
14 nearby supermarkets & convenience stores within mi of SE23 3YF
| Distance | Name | Address | Directions |
|---|---|---|---|
| 0 mi | HEB Mini Market | Dartmouth Road, Lewisham, SE23 3AS | Walking directions to HEB Mini Market |
| 0 mi | Forest Hill Supermarket | 61 Dartmouth Road, London, SE23 3HN | Walking directions to Forest Hill Supermarket |
| 0.1 mi | Three Kings | 97 Dartmouth Road, London, SE23 3HT | Walking directions to Three Kings |
| 0.1 mi | One Stop | Lewisham, SE23 3XU | Walking directions to One Stop |
| 0.2 mi | Forest Hill Supermarket | Lewisham, SE23 2AR | 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 3YF, 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 3YF records about 80 crimes per 1,000 residents per year, which is a high crime rate for England: it scores 7 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 3YF 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 3YF, including Holy Trinity Church of England Primary School (Good), Sydenham School (Good) and St George's CofE Primary School (Good). Ratings are from the latest Ofsted inspections.
The closest station to SE23 3YF is Forest Hill in TfL zone 3, about 317 m away, serving the Overground and Southern lines.
SE23 3YF scores 8 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 7,146 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 3YF 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).