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© 2026 UK House Prices. Data sourced from HM Land Registry.

Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.

Area guide

SY18 area guide — property prices & local market

Everything you need to know about buying property in the SY18 postcode area, covering Llanidloes and surrounding areas. All price data sourced from HM Land Registry — updated July 2026.

SY18 area price snapshot

Average price

£143,988

Median price

£146,500

5-year trend

+48.5%

Total sales

1,941

The SY18 area has 184 individual postcodes with 1,941 registered sales. Prices are +63.7% below the national average, with the largest concentration in Llanidloes. The five-year price movement is +48.5%.

Market context

SY18 averages £143,988, placing it in the affordable category, +63.7% below the national average. Affordable areas can offer good value for first-time buyers and investors seeking lower entry points. The dataset includes 1,941 recorded sales across 184 postcodes.

The five-year price trend in SY18 is +48.5%, significantly outpacing many other areas. This level of growth may reflect improving local amenities, transport links or broader regeneration.

Buying tips for SY18

✅ Suitable for first-time buyers — average prices in SY18 start within a typical FTB budget. See the full first-time buyer guide →
  • 🎯First-time buyer schemes can help. Affordable areas may offer better value through Help to Buy, shared ownership or local authority schemes. Check eligibility alongside sold prices.
  • 🛤️Transport links affect long-term value. Affordable areas within commuting distance of major cities often see faster price growth. Check the town data pages for trend comparisons.
  • 🧮Factor in Stamp Duty. Use the Stamp Duty Calculator to estimate purchase costs based on the average price in SY18.
  • 🏘️Explore Llanidloes. Much of the SY18 activity centres on Llanidloes. Check the town-level data for more granular market analysis.
  • 💡Check individual postcodes. Average prices can mask significant variation between postcodes in the SY18 area. Browse the individual postcode pages to find properties that match your budget.
  • 💡Compare asking prices to sold prices. Use the Asking Price Checker to see whether a listing price aligns with local sold-price evidence.
  • 💡Use sold prices as evidence, not valuation. Historical data helps you understand market trends but does not replace a professional valuation by a qualified surveyor.

Top postcodes in SY18

SY18 6EJ

£96,642 avg · 56 sales

SY18 6AT

£111,863 avg · 51 sales

SY18 6LB

£153,851 avg · 43 sales

SY18 6JG

£144,195 avg · 39 sales

SY18 6AL

£74,211 avg · 38 sales

SY18 6NL

£178,712 avg · 38 sales

SY18 6AS

£85,351 avg · 35 sales

SY18 6BS

£87,322 avg · 34 sales

SY18 6NW

£97,168 avg · 34 sales

View all 184 postcodes in SY18 →

Useful tools for SY18 buyers

🧮

Stamp Duty ~£380

Avg £143,988 in SY18

Full guide →

📊

Asking Price Checker

Compare asking prices with sold-price evidence

📖

Stamp Duty Guide

Complete 2025 SDLT, LTT & LBTT guide

⚖️

Location Comparison

Compare SY18 with other areas

🏘️

Llanidloes data

Full town-level property statistics

About this guide

This SY18 area guide is based on HM Land Registry Price Paid Data, covering registered residential property sales in England and Wales from January 1995 onwards. All figures are historical sold prices, not current valuations or asking prices.

Data last updated: July 2026 · View methodology

Frequently asked questions

What is the average house price in SY18?

The average sold price in the SY18 postcode area is £143,988, based on 1,941 HM Land Registry transactions. The largest town in this area is Llanidloes.

How do SY18 house prices compare to the UK average?

Properties in SY18 average £143,988, which is +63.7% below the national average of £396,803 for England and Wales.

Is SY18 affordable compared to other postcode areas?

SY18 is +63.7% below the national average of £396,803 for England and Wales. The area covers 184 postcodes.

How have SY18 house prices changed over 5 years?

Prices in SY18 have moved +48.5% over five years, reflecting broader UK house price growth. The large sample size gives confidence in this trend.

Are these area guide prices valuations or asking prices?

No. All figures on this page are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, estate agent asking prices, or financial advice. Always seek professional advice before making property decisions.

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How to Use Sold Prices When Making an Offer

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Down Valuations: What to Do

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