Postcode SE21 8SL is located in a major urban area, within the Dulwich Wood ward of Southwark in the London region, and forms part of the Sydenham Hill area. It has low deprivation and high crime levels, with around 98.1 crimes per 1,000 residents per year, about 24% below the London average of 130 per 1,000. The average income per household in Sydenham Hill is £87,512 per year. The nearest station is West Dulwich, about 0.3 miles away. There are 6 primary and 2 secondary schools in the area. There are 2 parks nearby, the closest large park is Belair Park.
Sydenham Hill has a low level of deprivation, ranked at position 21,800 out of 32,844 areas in the United Kingdom, placing it within the bottom 34% least deprived areas in England.
Sydenham Hill has a high crime rate, with approximately 98.1 reported incidents per 1,000 population each year.
Approximately 4.2% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 24.1% of dwellings are socially rented.
The average income per household in Sydenham Hill is £87,512 per year.
High noise level (70.0-74.9 dB) from rail, approximately 112 ft away from SE21 8SL.
Sydenham Hill near SE21 8SL has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.
The nearest station is West Dulwich located about 0.3 miles away. There are 5 stations nearby.
| Distance | Zone | Name | Lines | Directions |
|---|---|---|---|---|
| 0.3 mi | 3 | West Dulwich | Southeastern, Thameslink | Walking directions to West Dulwich |
| 0.4 mi | 3 | Sydenham Hill | Southeastern, Thameslink | Walking directions to Sydenham Hill |
| 0.8 mi | 3 | Tulse Hill | Southern, Thameslink | Walking directions to Tulse Hill |
| Distance | Name | Size | Directions |
|---|---|---|---|
| 0.5 mi | Belair Park | Large | Walking directions to Belair Park |
| 0.4 mi | Vale Street MUGA | Small | Walking directions to Vale Street MUGA |
Based on 84 recent sales, the median property price is £475,000 (about £608 per square foot) in Dulwich Wood area, with individual transactions ranging from £208,000 up to £3,000,000.
| Type | Sales | Median | £/sq ft |
|---|---|---|---|
| Detached | 5 | £1,850,000 | £837 |
| Terraced | 14 | £930,000 | £676 |
| Semi-Detached | 10 | £865,000 | £669 |
| Flats | 55 | £400,000 | £548 |
Sale price
| Year | Detached | Flats | Semi-Detached | Terraced |
|---|---|---|---|---|
| 2016 | £1,475,000 | £350,000 | £824,000 | £799,000 |
| 2017 | £1,825,000 | £415,000 | £1,013,750 | £781,500 |
| 2018 | £1,317,500 | £358,750 | £1,100,000 | £763,500 |
| 2019 | £1,610,000 | £380,000 | £1,074,250 | £760,000 |
| 2020 | £1,650,000 | £388,000 | £1,022,500 | £880,000 |
| 2021 | £2,467,500 | £375,000 | £1,050,000 | £814,000 |
| 2022 | £2,362,500 | £391,000 | £1,420,000 | £890,000 |
| 2023 | £1,895,000 | £374,000 | £1,400,000 | £696,788 |
| 2024 | £1,455,000 | £427,500 | £1,199,000 | £925,000 |
| 2025 | £1,000,000 | £421,000 | £865,000 | £867,000 |
| 2026 | £2,425,000 | £410,000 | £550,000 | £963,103 |
Price per sq ft
| Year | Detached | Flats | Semi-Detached | Terraced |
|---|---|---|---|---|
| 2016 | £637 | £530 | £657 | £603 |
| 2017 | £705 | £577 | £697 | £551 |
| 2018 | £549 | £520 | £587 | £527 |
| 2019 | £806 | £514 | £707 | £571 |
| 2020 | £666 | £541 | £703 | £595 |
| 2021 | £910 | £572 | £723 | £643 |
| 2022 | £917 | £560 | £837 | £710 |
| 2023 | £777 | £555 | £804 | £611 |
| 2024 | £781 | £568 | £691 | £635 |
| 2025 | £774 | £557 | £737 | £647 |
| 2026 | £891 | £555 | £616 | £711 |
There were 50+ recent sold properties in the last 18 months near SE21 8SL.
| Date | Address | Type | Tenure | Price | Map |
|---|---|---|---|---|---|
| 27 Aug 2025 | 86, Alleyn Park, London, SE21 8SL | Detached | Freehold | £800,000 | |
| 22 Jan 2026 | 9, Alleyn Crescent, London, SE21 8BN | Terraced | Freehold | £935,000 | |
| 27 Feb 2025 | 87, Park Hall Road, London, SE21 8ES | Other | Freehold | £7,000 | |
| 18 Jul 2025 | 2B, Ildersly Grove, London, SE21 8EU | Semi-Detached | Freehold | £1,505,000 | |
| 31 Mar 2025 | 11, Morkyns Walk, London, SE21 8BG | Semi-Detached | Leasehold | £700,000 |
In the SE21 8SL postcode area, located within Sydenham Hill, there are 6 primary and 2 secondary schools in close proximity.
3 nearby supermarkets & convenience stores within mi of SE21 8SL
| Distance | Name | Address | Directions |
|---|---|---|---|
| 0.1 mi | Cook | 80 Park Hall Road, London, SE21 8BW | Walking directions to Cook |
| 0.1 mi | Tesco Express | 1-5 Croxted Road, London, SE21 8SZ | Walking directions to Tesco Express |
| 0.4 mi | Manani News | Carnac Street, Lambeth, SE27 9RS | Walking directions to Manani News |
Annual council tax rates for Southwark district.
Council tax bands are based on the value of your property. Most homes fall into bands A to D.
Elected local representatives for SE21 8SL, including ward councillors and the local member of parliament.
Ruth Bannister
Dulwich Wood - Elected 7 May 2026
Sean Hannigan
Dulwich Wood - Elected 7 May 2026
Helen Hayes
Dulwich and West Norwood - Elected 4 Jul 2024
The area around SE21 8SL records about 98 crimes per 1,000 residents per year, which is a high crime rate for England: it scores 8 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 vehicle crime.
The median sale price around SE21 8SL in Sydenham Hill is £475,000 (about £608 per square foot) based on 84 registered sales according to HM Land Registry data.
There are 14 schools close to SE21 8SL, including Dulwich Prep London, Dulwich Wood Primary School (Good) and Dulwich College. Ratings are from the latest Ofsted inspections.
The closest station to SE21 8SL is West Dulwich in TfL zone 3, about 501 m away, serving the Southeastern and Thameslink lines.
SE21 8SL scores 4 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 21,800 of 32,844 in England on the official Index of Multiple Deprivation (rank 1 is the most deprived).
The Member of Parliament for Dulwich and West Norwood covering SE21 8SL is Helen Hayes (Labour Party), elected at the 2024 general election. The area is represented by 2 local councillors: Ruth Bannister (Labour and Co-operative Party) and Sean Hannigan (Labour and Co-operative Party).