POSTCODE DECISION REPORT
CB21 4AS postcode decision report
Strong move-check signal
Gigabit availability is strong at 100%. There is no direct flood feature match in the current postcode geometry seam. Nearby planning activity is quiet in the current radius. 14 nearby school rows are available for shortlist follow-up.
Live across price, planning, connectivity, flood, and nearby schools | Sold prices through 09 Jan 2026 · Broadband source year 2024
- Median sold price, last 5 years £477,500Based on 16 sales · Latest sale in data: 09 Jan 2026
- Gigabit availability 100%Ofcom coverage year 2024
- Flood signal No direct matchPostcode geometry summary
- Nearby planning QuietCurrent applications plus recent decisions within the live postcode radius
- Nearby schools 14 matchedSchools are currently surfaced by postcode area for shortlist follow-up
Joined postcode brief
Start with the direct signals below, then move into planning, schools, tools, and learning if this postcode still looks viable.
Median sold price, last 5 years
Strong sampleStrong sample. Based on 16 sales · Latest sale in data: 09 Jan 2026.
Broadband
Strong broadband coverageGigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
Flood risk
No direct flood matchThe current postcode summary does not intersect any flood-zone features, so there is no direct flood flag from this seam.
Transport
2 within 400mCB21 4AS links 2 transport stops within 400m and 3 within 800m. 2 local bus or tram access points sit within 400m. The nearest mapped stop is Fox Road (BCT) at about 313m. No rail or metro access point was found within 1200m.
Local business
4 within 1200mCB21 4AS currently links 4 mapped local businesses within 1200m of the postcode geometry. Top amenity groups include 2 nightlife, 1 food and drink, 1 grocery. The closest mapped place is Balsham Stores & Post Office at about 817m. The current amenity availability signal scores 30/100.
Jobs
1,031 online job adverts observedSouth Cambridgeshire local authority · May 2026. Same geography one year earlier: 1,230 online job adverts observed in May 2025.
Planning watch
No nearby matchesNo nearby planning rows matched CB21 4AS in the current live coverage yet.
Nearby schools
14 nearby school rows14 nearby school rows matched the postcode area for CB21 4AS. Use the schools flow to compare them in more detail.
Crime
Latest month 6CB21 4AS has approximate contextual crime around the postcode from its parent LSOA seam. Latest month shows 6 recorded crimes, rolling twelve month context shows 56, and violence and sexual offences is the top recorded type. The parent LSOA currently spans 41 postcode rows in this seam.
Median sold price, last 5 years
£477,500
Strong sample. Based on 16 sales · Latest sale in data: 09 Jan 2026.
Local business
This OSM snapshot shows the everyday places currently mapped within walking range of CB21 4AS, so you can judge convenience before deeper street-level checks.
Amenity availability
Convenience score 30/100
Basis: postcode exact. Nearby local-business counts use a 1200m radius from the postcode geometry and list only the closest mapped places.
Amenity group
Nightlife
2 mapped places currently map into this amenity group, led by pub (2).
Amenity group
Food and drink
1 mapped place currently map into this amenity group, led by cafe (1).
Amenity group
Grocery
1 mapped place currently map into this amenity group, led by convenience (1).
Closest mapped places
Use this as a first-pass convenience check, then confirm current opening status and fit on the ground before you rely on it.
Grocery
Balsham Stores & Post Office
Convenience in the current nearby-place seam.
Food and drink
The Old Butchers Coffee Shop
Cafe at 35-37, High Street.
Nightlife
The Black Bull
Pub in the current nearby-place seam.
Nightlife
The Bell Inn
Pub in the current nearby-place seam.
Nearby schools
Use the postcode snapshot to decide whether this place stays on your shortlist, then carry the same geography into the schools flow for side-by-side comparison.
Primary
Castle Camps Church of England (Controlled) Primary School
Primary option in CB21 4TH. Use the schools flow for fuller comparison once you shortlist it.
Primary
Fulbourn Primary School
Primary option in CB21 5BH. Use the schools flow for fuller comparison once you shortlist it.
Primary
Great Abington Primary School
Primary option in CB21 6AE. Use the schools flow for fuller comparison once you shortlist it.
School comparison
Compare nearby schools
Open side-by-side school comparison for CB21 4AS before you shortlist homes.
Open school comparisonRecommended tool
Check planning again
Use the planning watch tool if you want a faster postcode scan alongside the flagship planning page.
Open planning watch toolRecommended tool
Check broadband and mobile
Use the broadband and mobile checker to pressure-test everyday connectivity around CB21 4AS.
Open broadband checkerRecommended tool
Check flood risk
Use the flood risk checker before you rule a postcode in or out.
Open flood risk checkerRecommended guide
Read postcode and area guides
Browse practical articles that help you compare postcodes like CB21 4AS with the rest of your move shortlist.
Browse articlesRecommended guide
Use viewing and offer planners
Open planners and templates like the viewing checklist, offer planning sheet, and before you move checklist while you assess CB21 4AS.
Open planners and templatesFollow up action
Ask vetted agents
If this postcode stays on your shortlist, ask BeforeYouMove to review and route your enquiry to vetted partner estate agents covering CB21 4AS.
Next step