What is the average house price in the SL6 postcode district?

The median sold price in SL6 is £512,500, based on 889 transactions recorded by HM Land Registry in the 12 months ending April 2026.

Is SL6 cheap or expensive compared with the UK average?

The Gera District Price Index (GDPI) for SL6 is 178 (UK outcode median = 100). SL6 is above-average: its median of £512,500 is 78% above the UK outcode median of £288,675 (HM Land Registry PPD, April 2026).

How much does a detached house cost in SL6?

The median price for a detached house in SL6 is £810,000, according to HM Land Registry Price Paid Data for the 12 months ending April 2026.

How much does a flat cost in SL6?

The median price for a flat or maisonette in SL6 is £285,000, based on HM Land Registry transaction data for the 12 months ending April 2026.

What is the typical price for a terraced house in SL6?

The median price for a terraced house in SL6 is £461,000 (HM Land Registry PPD, 12 months to April 2026).

How much does a semi-detached house cost in SL6?

The median price for a semi-detached house in SL6 is £539,750 (HM Land Registry PPD, 12 months to April 2026).

What is the Gera District Price Index for SL6?

The Gera District Price Index (GDPI) for SL6 is 178, where 100 equals the UK outcode median (£288,675). The GDPI allows direct comparison between postcode districts regardless of geography. Methodology: https://gerarent.com/methodology/gera-district-price-index.

House prices in the SL6 postcode district

Based on 889 Land Registry transactions · 12 months ending April 2026

What is the median house price in SL6?

As of April 2026, the median sold price in the SL6 postcode district is £512,500, based on 889 Land Registry transactions in the 12 months ending April 2026. The Gera District Price Index (GDPI) for SL6 is 178 — 78% above the UK outcode median of £288,675. Detached homes sold for a median of £810,000.

Source:HM Land Registry — Price Paid Data·As of April 2026 · updated monthly (last: 2026-06-19)

178GDPI

Gera District Price Index — SL6

178 / 100 where 100 = UK outcode median (£288,675). SL6 is 78% above the national outcode median.

How is the GDPI computed?

Median sold prices in SL6

Overall median: £512,500
vs UK outcode median: +78%
Transactions (12m): 889

By property type

Median sold price by property type in SL6 (HM Land Registry PPD, April 2026)
Property type	Median price	vs overall
Detached	£810,000	+58%
Semi-detached	£539,750	+5%
Terraced	£461,000	-10%
Flat / maisonette	£285,000	-44%

Property type medians are shown only where ≥3 transactions were recorded. All figures: HM Land Registry Price Paid Data, 12 months ending April 2026.

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Top 12 postcode districts with median ≤ £512,500, ordered by Gera District Price Index (highest = best value relative to national median):

Outcode	Median price	GDPI	Transactions
SL6	£512,500	178	889
TN5	£512,500	178	90
GU33	£510,000	177	102
SW9	£510,000	177	318
BH18	£507,500	176	148
CM13	£502,000	174	319
SO22	£502,500	174	350
CM12	£500,000	173	293
E2	£500,000	173	331
GU52	£500,000	173	236
HA9	£500,000	173	405
IG3	£500,000	173	182

Medians are from HM Land Registry Price Paid Data — rolling 12 months to June 2026. GDPI = Gera District Price Index (UK outcode median = 100). Your inputs are used only in your browser.

SL6 house prices — questions and answers

What is the average house price in the SL6 postcode district?: The median sold price in SL6 is £512,500, based on 889 transactions recorded by HM Land Registry in the 12 months ending April 2026.
Is SL6 cheap or expensive compared with the UK average?: The Gera District Price Index (GDPI) for SL6 is 178 (UK outcode median = 100). SL6 is above-average: its median of £512,500 is 78% above the UK outcode median of £288,675 (HM Land Registry PPD, April 2026).
How much does a detached house cost in SL6?: The median price for a detached house in SL6 is £810,000, according to HM Land Registry Price Paid Data for the 12 months ending April 2026.
How much does a flat cost in SL6?: The median price for a flat or maisonette in SL6 is £285,000, based on HM Land Registry transaction data for the 12 months ending April 2026.
What is the typical price for a terraced house in SL6?: The median price for a terraced house in SL6 is £461,000 (HM Land Registry PPD, 12 months to April 2026).
How much does a semi-detached house cost in SL6?: The median price for a semi-detached house in SL6 is £539,750 (HM Land Registry PPD, 12 months to April 2026).
What is the Gera District Price Index for SL6?: The Gera District Price Index (GDPI) for SL6 is 178, where 100 equals the UK outcode median (£288,675). The GDPI allows direct comparison between postcode districts regardless of geography. Methodology: https://gerarent.com/methodology/gera-district-price-index.

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All median prices are computed by GeraRent from the HM Land Registry — Price Paid Data — rolling 12 months ending April 2026. Minimum 5 transactions per outcode; type medians require ≥3. The Gera District Price Index (GDPI) is a Gera proprietary computation — methodology at https://gerarent.com/methodology/gera-district-price-index. Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.