Postcode district report · August 2026

SE23, Lewisham

SE23 is the 7th Hapiest of Lewisham's 11 postcode districts on the HPAI Swatch, which compares them with each other on prices, how the market is moving, energy efficiency and transport. SE23 also reaches into Southwark; these figures are for its homes in Lewisham.

Homes sold
329
in the 12 months to August 2026
Median price
£520,000
-1.9% on the year before
Price per m²
£6,854
median, homes with an EPC
Flats
54%
of homes sold

SE23 on the HPAI Swatch

Each tile ranks SE23 against the other postcode districts of Lewisham.

Price per m²£6,854/m² 4th of 11
Price change-1.9% 6th of 11
Sales a year329 a year 3rd of 11
Sales change-23.0% 10th of 11
Energy efficiency66 EPC score 8th of 11
Carbon3.4 t CO₂ a home 10th of 11
Station nearby0.5 km 6th of 11
Yellow the best in Lewisham Green above average Blue below average Purple weakest in Lewisham

Yellow is Hapi: the more yellow, the better SE23 compares with the rest of Lewisham. These colours compare postcode districts within Lewisham; Lewisham's own Swatch compares it with areas across England and Wales.

Lewisham's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 SE3 50£700,000 +5.1%
2 SE13 394£435,000 -1.1%
3 SE8 153£408,000 -0.5%
4 SE14 167£447,500 -6.8%
5 SE4 260£575,000 -2.5%
6 SE26 192£474,000 -2.5%
7 SE23 329£520,000 -1.9%
8 SE12 178£532,500 +13.3%
9 BR1 95£400,000 +1.3%
10 SE6 406£450,000 -4.8%
11 SE10 26£400,000 -12.1%

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About these figures

Price per m²
Median price per square metre of homes sold in the last 12 months (homes with an EPC).
Price change
Median price in the last 12 months against the 12 months before.
Sales a year
Open-market sales in the last 12 months. More sales means a deeper, easier market.
Sales change
Sales in the 12 months to three months ago against the year before. The newest months are left out: Land Registry registers sales late.
Energy efficiency
Average EPC energy efficiency score of homes sold (higher is more efficient).
Carbon
Average carbon emissions of homes sold, tonnes a year. Lower is better.
Station nearby
Median distance from homes sold to the nearest railway station. Closer is better.

Open-market sales from HM Land Registry Price Paid Data in the 12 months to August 2026 (homes in Lewisham only); price per m², energy and carbon from the homes sold that have an Energy Performance Certificate. Postcode districts with fewer than 20 sales a year in Lewisham aren't ranked.