About DA15
Blackfen · London
Also covers Longlands and Sidcup.
See house prices in London for every district in the region.
Matched sales300 of 313 sales
Drill into a sector
House prices per square metre in DA15
£5,660median per m²High confidence
95% CI £5,490–£5,810 per m² · n = 300 matched sales
The median sold price in DA15 (Blackfen, Sidcup) is £5,660 per square metre (£526 per ft²), based on 300 matched sales in the 12 months to July 2026, at a median sale price of £465,000. Over the 10 years to Q1 2026, the mix-adjusted median price per square metre changed by +2.6% a year in cash terms, or −0.8% a year after inflation.
Map of 313 sales in DA15 in the last 12 months; median £5,660 per square metre. Full details are in the sold-prices table below.
Postcode district
Prices in DA15
Tenure
Median price per m²
£5,660
n = 300 matched sales
Median sale price
£465,000
n = 313 sales
How prices are spread in DA15
Distribution of £/m² for the matched resale sales in DA15 over the last 12 months. The median is £5,660/m² with a 95% CI of £5,490 to £5,810 and a middle 60% running £4,980 to £6,390. Every one of these sales is listed in the table below.
- p20 £4,980
- p80 £6,390
- 95% CI £5,490–£5,810
The individual sales appear here once DA15's sold-price file loads. The markers are the published statistics.
By property type
| Property type | Median £/m² | Matched sales |
|---|---|---|
| Semi-detached | £5,610/m² | n = 102 |
| Terraced | £5,900/m² | n = 127 |
| Flat | £4,980/m² | n = 50 |
Buyers: Where does a price sit?
Type a price to see where it sits among the individual sales recorded in DA15.
Loading the sales recorded in DA15…
Sellers: How much is my property worth?
Type your floor area to see what it works out at against the sold prices recorded in DA15. It is a market figure for that size, not a valuation of your home.
Tenure
£464,000
Middle 60% (p20–p80): £408,000–£524,000
82 m² at the median £/m² across all tenures · n = 300 matched sales (last 12 months)
Sold prices (last 12 months)
30 sales
Property type
| Address | Details | |||||
|---|---|---|---|---|---|---|
| 24/07/26 | 55 Shirley Road, Sidcup | £500,000 | Semi | Freehold | £4,720 | |
| 17/07/26 | 105 Corbylands Road, Sidcup | £525,000 | Terraced | Freehold | £5,900 | |
| 13/07/26 | 18 Marechal Niel Avenue, Sidcup | £875,000 | Semi | Freehold | £4,920 | |
| 10/07/26 | 2 Westerham Drive, Sidcup | £305,000 | Flat | Leasehold | £3,910 | |
| 07/07/26 | 39 Portland Avenue, Sidcup | £428,000 | Terraced | Freehold | £5,940 | |
| 06/07/26 | 49 Manor Road, Sidcup | £285,000 | Flat | Leasehold | £3,850 | |
| 06/07/26 | Flat 2 Cornel House Longlands Road, Sidcup | £235,000 | Flat | Leasehold | £5,110 | |
| 03/07/26 | 131 Burnt Oak Lane, Sidcup | £560,000 | Semi | Freehold | £6,020 | |
| 03/07/26 | 22 Lingey Close, Sidcup | £450,000 | Terraced | Freehold | £5,060 | |
| 03/07/26 | 53 Portland Avenue, Sidcup | £445,000 | Terraced | Freehold | £6,180 | |
| 03/07/26 | 95 Rowley Avenue, Sidcup | £435,000 | Terraced | Freehold | £7,020 | |
| 03/07/26 | 187 Ramillies Road, Sidcup | £385,000 | Terraced | Freehold | £7,260 | |
| 02/07/26 | 47 Hurst Road, Sidcup | £890,000 | Semi | Freehold | £5,490 | |
| 01/07/26 | 7 Old Post Office Court Station Road, Sidcup | £230,000 | Flat | Leasehold | £6,050 | |
| 30/06/26 | 62 Rowley Avenue, Sidcup | £261,000 | Terraced | Freehold | £3,960 | |
| 29/06/26 | 51 Cavendish Avenue, Sidcup | £690,000 | Semi | Freehold | £5,000 | |
| 29/06/26 | 752 East Rochester Way, Sidcup | £415,000 | Semi | Freehold | £6,190 | |
| 26/06/26 | 84 Ridgeway West, Sidcup | £485,000 | Terraced | Freehold | £6,220 | |
| 26/06/26 | 128 Lyndon Avenue, Sidcup | £445,000 | Terraced | Freehold | £5,430 | |
| 25/06/26 | 4 St Margarets Avenue, Sidcup | £605,000 | Semi | Freehold | £5,400 |
Loading all 313 sales (12 months)…
Compare DA15 with a neighbouring district · league tables
Ranked here: 26th of 173 in where price per square metre rose most in London
Nearby districts
Median price per square metre in the nearest districts.
- DA14 · North Cray£5,290/m² median
- DA16 · Welling£5,380/m² median
- SE9 · Eltham£5,490/m² median
- DA5 · Bexley£5,390/m² median
- DA6 · Bexleyheath£5,240/m² median
- BR7 · Chislehurst£6,210/m² median
- DA7 · Barnehurst£5,320/m² median
Each trend line is that district’s own quarterly median price per square metre, scaled to its own range: compare directions, not heights. Gaps are quarters with too few matched sales to publish a median.
Further reading
- Freehold and leasehold are different markets83% of matched sales here are freehold
- Cash terms, real terms, and which to trustPrices here rose 2.6% a year in cash and fell 0.8% after inflation
- London price per square metre: where value still existsWhere value still exists across London
- What is a good price per square metre?How to read a price per square metre against its area
Cite us
HM Land Registry sold prices to July 2026 (registrations lag sales by 2–8 weeks) · updated July 2026 · how these figures are made
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Plain text
RealScout, "House prices per square metre in Blackfen (DA15)", dataset version 2026-07, https://realscout.uk/property-prices/da15. Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
HTML
<p>Source: <a href="https://realscout.uk/property-prices/da15">RealScout</a>, house prices per square metre in Blackfen (DA15) (2026-07). Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.</p>
The statistics behind this page are also served as JSON: /data/districts/DA15.json. Please cache it, and do not crawl it in a loop. Every rule behind these figures is on the methodology page.