Buying a home is likely the largest financial decision you will ever make. Yet most buyers spend more time researching a new car than they do the postcode they are moving into. This guide walks you through everything you should check before exchanging contracts.
Step 1: Understand the Difference Between Postcodes
UK postcodes have several levels. The postcode area (e.g. GU) covers a broad region. The postcode district (e.g. GU1) is what most people mean when they talk about “their postcode area” — it covers a town or part of a city and is the level at which crime, school, and house price data is most reliably available. The postcode sector (e.g. GU1 3) narrows it to a street or neighbourhood, and the full postcode (e.g. GU1 3BT) pinpoints a small cluster of addresses.
For area research, the district level gives the most useful and statistically robust data.
Step 2: Check House Price History
Before viewing a property, look up the district’s house price trends:
- Average price: Is it what you expected for the area, or have prices shifted recently?
- 1-year change: Is the market moving up or cooling? A district rising 8% annually has different investment dynamics than one falling 3%.
- 5-year history: Smooth, consistent growth is a healthier sign than boom-and-bust patterns.
- Price by property type: A district might have a low average because there are many flats. Detached house prices in the same district could be far higher.
You can find all of this for any UK postcode district on Postcode.Page.
Step 3: Look Up Crime Data
Crime statistics from data.police.uk are available at postcode district level, broken down by:
- Violent crime
- Burglary
- Vehicle crime
- Antisocial behaviour
- Other theft
The headline figure to focus on is crimes per 1,000 residents, not raw counts — a larger district will always have more crimes in absolute terms. Compare the district to the national average, not just to neighbouring postcodes.
One important caveat: crime data reflects recorded crimes, and footfall areas (town centres, transport hubs) will always record more. A postcode district that covers a high street will appear worse than a residential suburb even if the residential streets themselves are equivalent in safety. Read our crime data guide for more context.
Step 4: Research Schools
Even if you do not have children now, school quality significantly affects house prices — and your ability to sell later. Check:
- Number of Outstanding-rated schools: Ofsted’s top rating, and the most reliable predictor of high demand
- % Good or above: The combined percentage of Good and Outstanding schools in the district
- Primary vs secondary split: Primary school quality affects younger families; secondary affects everyone once children reach 11
The DfE school search lets you look up individual schools. Postcode.page shows the overall distribution for each district.
Step 5: Check Broadband Speeds
Remote working has made broadband a primary factor in many buying decisions. According to Ofcom data, average speeds vary enormously — from under 30 Mbps in some rural districts to over 200 Mbps in well-served urban areas.
Check:
- Average download speed — minimum 30 Mbps for smooth video calls
- Full-fibre (FTTP) availability — future-proof, worth paying a premium for
- Superfast coverage percentage — how many premises in the district have access
Note that coverage percentages tell you what is available, not what any specific address receives. Before exchanging, run a full postcode-level check with the individual ISPs.
Step 6: Check Council Tax Bands
The council tax Band D rate varies by hundreds of pounds per year between neighbouring local authorities. A home in a district with a £2,500/year Band D bill costs £1,000 more per year than an equivalent home where Band D is £1,500 — a difference that compounds over a 25-year ownership period.
Check the band of the specific property (available on the Valuation Office Agency website) and the total Band D rate for the local authority (available on Postcode.Page for every district in England).
Step 7: Check Demographics and Tenure
The ONS Census 2021 provides a snapshot of who lives in each area:
- Owner-occupied percentage: Higher owner-occupation tends to correlate with greater community stability and property maintenance standards
- Private rental percentage: A high private rental percentage can indicate higher tenant turnover and more absentee landlords
- Population: Small populations relative to land area often indicate rural or semi-rural character
Step 8: Visit at Different Times
No dataset replaces a visit. Go on a weekday morning, a Friday evening, and a Sunday afternoon. Walk the streets, visit the high street, and sit in a café. Data tells you what the area is; a visit tells you what it feels like.
Quick research checklist:
- ✅ Average price and 1-year trend (Postcode.Page → price section)
- ✅ Crime rate vs national average (Postcode.Page → crime section)
- ✅ Schools — % Good/Outstanding (Postcode.Page → schools section)
- ✅ Broadband speed and fibre coverage (Postcode.Page → broadband section)
- ✅ Council tax Band D total (Postcode.Page → council tax section)
- ✅ Owner-occupied % and tenure split (Postcode.Page → demographics section)
- ✅ Visit at multiple times of day and week
Postcode.page brings steps 1–6 together on a single page for every postcode district in England and Wales — free, from official government sources. Search your postcode →