What is the average house price in the SG18 postcode district?

The median sold price in SG18 is £355,625, based on 422 transactions recorded by HM Land Registry in the 12 months ending April 2026.

Is SG18 cheap or expensive compared with the UK average?

The Gera District Price Index (GDPI) for SG18 is 123 (UK outcode median = 100). SG18 is around the national median: its median of £355,625 is 23% above the UK outcode median of £288,675 (HM Land Registry PPD, April 2026).

How much does a detached house cost in SG18?

The median price for a detached house in SG18 is £491,500, according to HM Land Registry Price Paid Data for the 12 months ending April 2026.

How much does a flat cost in SG18?

The median price for a flat or maisonette in SG18 is £208,000, based on HM Land Registry transaction data for the 12 months ending April 2026.

What is the typical price for a terraced house in SG18?

The median price for a terraced house in SG18 is £302,000 (HM Land Registry PPD, 12 months to April 2026).

How much does a semi-detached house cost in SG18?

The median price for a semi-detached house in SG18 is £380,000 (HM Land Registry PPD, 12 months to April 2026).

What is the Gera District Price Index for SG18?

The Gera District Price Index (GDPI) for SG18 is 123, 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 SG18 postcode district

Based on 422 Land Registry transactions · 12 months ending April 2026

What is the median house price in SG18?

As of April 2026, the median sold price in the SG18 postcode district is £355,625, based on 422 Land Registry transactions in the 12 months ending April 2026. The Gera District Price Index (GDPI) for SG18 is 123 — 23% above the UK outcode median of £288,675. Detached homes sold for a median of £491,500.

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

123GDPI

Gera District Price Index — SG18

123 / 100 where 100 = UK outcode median (£288,675). SG18 is 23% above the national outcode median.

How is the GDPI computed?

Median sold prices in SG18

Overall median: £355,625
vs UK outcode median: +23%
Transactions (12m): 422

By property type

Median sold price by property type in SG18 (HM Land Registry PPD, April 2026)
Property type	Median price	vs overall
Detached	£491,500	+38%
Semi-detached	£380,000	+7%
Terraced	£302,000	-15%
Flat / maisonette	£208,000	-42%

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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Set a budget to see which UK outcode districts have a median sold price at or below it — ranked by the Gera District Price Index.

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Top 12 postcode districts with median ≤ £355,625, ordered by Gera District Price Index (highest = best value relative to national median):

Outcode	Median price	GDPI	Transactions
BH19	£355,000	123	177
DL11	£355,000	123	72
IP30	£355,000	123	205
IP31	£355,000	123	267
LU6	£355,000	123	432
SG18	£355,625	123	422
TR2	£355,000	123	113
TR26	£355,000	123	191
YO23	£355,000	123	285
BS32	£351,000	122	276
EX11	£352,500	122	136
GL52	£352,500	122	790

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.

SG18 house prices — questions and answers

What is the average house price in the SG18 postcode district?: The median sold price in SG18 is £355,625, based on 422 transactions recorded by HM Land Registry in the 12 months ending April 2026.
Is SG18 cheap or expensive compared with the UK average?: The Gera District Price Index (GDPI) for SG18 is 123 (UK outcode median = 100). SG18 is around the national median: its median of £355,625 is 23% above the UK outcode median of £288,675 (HM Land Registry PPD, April 2026).
How much does a detached house cost in SG18?: The median price for a detached house in SG18 is £491,500, according to HM Land Registry Price Paid Data for the 12 months ending April 2026.
How much does a flat cost in SG18?: The median price for a flat or maisonette in SG18 is £208,000, based on HM Land Registry transaction data for the 12 months ending April 2026.
What is the typical price for a terraced house in SG18?: The median price for a terraced house in SG18 is £302,000 (HM Land Registry PPD, 12 months to April 2026).
How much does a semi-detached house cost in SG18?: The median price for a semi-detached house in SG18 is £380,000 (HM Land Registry PPD, 12 months to April 2026).
What is the Gera District Price Index for SG18?: The Gera District Price Index (GDPI) for SG18 is 123, 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.