Postcode SE21 8SN 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 miles away. There are 9 primary and 4 secondary schools in the area. There is 1 park 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 14.0% 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 road, approximately 62 ft away from SE21 8SN.
Sydenham Hill near SE21 8SN 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 miles away. There are 5 stations nearby.
| Distance | Zone | Name | Lines | Directions |
|---|---|---|---|---|
| 0 mi | 3 | West Dulwich | Southeastern, Thameslink | Walking directions to West Dulwich |
| 0.6 mi | 3 | Tulse Hill | Southern, Thameslink | Walking directions to Tulse Hill |
| 0.7 mi | 3 | Sydenham Hill | Southeastern, Thameslink | Walking directions to Sydenham Hill |
| Distance | Name | Size | Directions |
|---|---|---|---|
| 0.2 mi | Belair Park | Large | Walking directions to Belair Park |
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 8SN.
| Date | Address | Type | Tenure | Price | Map |
|---|---|---|---|---|---|
| 31 Mar 2026 | 10, Spenser Mews, London, SE21 8SN | Terraced | Freehold | £1,000,000 | |
| 12 Sept 2025 | 12, Spenser Mews, London, SE21 8SN | Terraced | Freehold | £965,000 | |
| 03 Mar 2025 | 46, Kennoldes, London, SE21 8SS | Flats | Leasehold | £515,000 | |
| 31 Jul 2025 | 126 - 128, Thurlow Park Road, London, SE21 8HP | Other | Leasehold | £816,995 | |
| 17 Oct 2025 | 23, Lings Coppice, London, SE21 8SY | Terraced | Freehold | £879,950 |
In the SE21 8SN postcode area, located within Sydenham Hill, there are 9 primary and 4 secondary schools in close proximity.
2 nearby supermarkets & convenience stores within mi of SE21 8SN
| Distance | Name | Address | Directions |
|---|---|---|---|
| 0.3 mi | Tesco Express | 1-5 Croxted Road, London, SE21 8SZ | Walking directions to Tesco Express |
| 0.3 mi | Cook | 80 Park Hall Road, London, SE21 8BW | Walking directions to Cook |
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 8SN, 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 8SN 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 8SN in Sydenham Hill is £475,000 (about £608 per square foot) based on 84 registered sales according to HM Land Registry data.
There are 19 schools close to SE21 8SN, including Oakfield Preparatory School, Dulwich College and Rosemead Preparatory School. Ratings are from the latest Ofsted inspections.
The closest station to SE21 8SN is West Dulwich in TfL zone 3, about 59 m away, serving the Southeastern and Thameslink lines.
SE21 8SN 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 8SN 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).