UK House Prices

SY18 postcode area house prices

SY18 has an average sold price of £144,610 across 1,956 HM Land Registry transactions covering 184 postcodes. The largest town grouping is Llanidloes.

Updated October 2026Records through August 2026HM Land Registry31+ million records

SY18 at a glance

SY18 postcode area averages £144,610 across 1,956 completed sales covering 184 postcodes. Check the median, sample depth and nearby postcodes before using the average as a market signal.

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Average £144,610 · Median £146,500 · 1,956 transactions · +44.3% growth · 184 postcodes

Data source
HM Land Registry
Updated October 2026
Sample quality
Usable transaction depth
1,956 sales across 184 postcodes
Median check
£146,500
Median is close to the average
Trend signal
+44.3%
The five-year price movement is +44.3%.
Coverage
184 postcodes
Largest town: Llanidloes

SY18 Postcode Area Overview

The SY18 postcode area averages £144,610 across 1,956 registered sales — below the national average of £400,016 by -63.8%. The median price across constituent postcodes is £146,500, closely tracking the average. 184 postcodes cover this area, with data sourced from HM Land Registry Price Paid Records. The principal town is Llanidloes, which accounts for the largest share of transactions in this postcode area. The five-year price movement is +44.3%, in line with national growth.

Postcodes in SY18

SY18 6EJ£96,642 average56 salesSY18 6AT£116,635 average52 salesSY18 6LB£153,851 average43 salesSY18 6JG£146,062 average41 salesSY18 6AL£75,769 average39 salesSY18 6NL£178,712 average38 salesSY18 6AS£85,351 average35 salesSY18 6BS£87,322 average34 salesSY18 6NW£97,168 average34 salesSY18 6EU£168,342 average33 salesSY18 6AA£62,596 average31 salesSY18 6HH£71,694 average31 salesSY18 6QP£99,734 average31 salesSY18 6AD£92,967 average29 salesSY18 6AR£58,573 average28 salesSY18 6BJ£98,464 average28 salesSY18 6DQ£164,445 average28 salesSY18 6DW£99,583 average28 salesSY18 6AX£77,433 average27 salesSY18 6BH£85,011 average26 salesSY18 6DH£101,862 average26 salesSY18 6DP£111,702 average26 salesSY18 6SQ£131,810 average26 salesSY18 6HR£188,979 average25 salesSY18 6LD£158,198 average24 salesSY18 6PQ£166,193 average23 salesSY18 6AY£61,478 average22 salesSY18 6DR£127,793 average22 salesSY18 6HQ£99,955 average22 salesSY18 6SG£147,755 average22 salesSY18 6DJ£98,748 average21 salesSY18 6JQ£190,972 average20 salesSY18 6SB£210,588 average20 salesSY18 6BY£88,736 average18 salesSY18 6DF£91,000 average18 salesSY18 6EH£147,056 average18 salesSY18 6HS£75,662 average17 salesSY18 6HX£174,467 average17 salesSY18 6AZ£74,109 average16 salesSY18 6BG£175,281 average16 salesSY18 6PH£211,062 average16 salesSY18 6AJ£206,967 average15 salesSY18 6DL£101,433 average15 salesSY18 6EE£119,333 average15 salesSY18 6HY£149,101 average15 salesSY18 6PW£246,553 average15 salesSY18 6RX£271,433 average15 salesSY18 6AB£102,857 average14 salesSY18 6RG£160,032 average14 salesSY18 6RN£205,928 average14 salesSY18 6BW£98,862 average13 salesSY18 6BX£170,308 average13 salesSY18 6ER£89,046 average13 salesSY18 6HU£113,304 average13 salesSY18 6HZ£222,769 average13 salesSY18 6LG£151,919 average13 salesSY18 6PR£138,712 average13 salesSY18 6YT£86,485 average13 salesSY18 6AH£94,079 average12 salesSY18 6BL£82,579 average12 salesSY18 6NP£213,750 average12 salesSY18 6BZ£118,318 average11 salesSY18 6DY£123,528 average11 salesSY18 6RZ£259,318 average11 salesSY18 6BB£107,550 average10 salesSY18 6EF£107,350 average10 salesSY18 6HD£85,430 average10 salesSY18 6JH£281,000 average10 salesSY18 6PN£273,580 average10 sales

Compare postcodes in SY18

Use the location comparison tool to put SY18 postcodes beside other postcode areas, towns or districts before narrowing your shortlist.

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Property valuation guide

Estimate a property value in the SY18 area

Professional valuers use recent sold prices as comparable evidence. In the SY18 area, the median sold price is £146,500 and the average is £144,610, based on 1,956 HM Land Registry transactions. Over five years, prices have moved +44.3%, which affects how comparables from earlier years should be weighted.

Typical comparable range: £125,000–£168,000(±15% from median)

These are historical completed-sale prices — not a formal valuation, asking price or investment advice. Use them to sense-check an asking price or set expectations before instructing a surveyor.

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Frequently asked questions

What is the average sold price in the SY18 postcode area?

The average sold price in SY18 is £144,610, based on 1,956 HM Land Registry transactions across 184 postcodes.

How does SY18 compare to the national average?

SY18 is -63.8% below the England and Wales national average of £400,016.

Are these figures valuations or asking prices?

No. These are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, asking prices or investment advice.

How many postcodes does the SY18 area cover?

The SY18 postcode area covers 184 individual postcodes with 1,956 registered sales. The largest town grouping is Llanidloes.

More about SY18

Llanidloes townBrowse districtsMarket reportsMethodologyCompare locationsArea guide: SY18

About this data

All sold price figures on this page come from HM Land Registry Price Paid Data for England and Wales, published under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right. These are historical completed sale prices — they are not current valuations, not forecasts and not investment advice. Past sale prices do not guarantee future values. Always seek independent professional advice before making property or financial decisions. Read the full methodology for details on data cleaning, grouping and limitations.