MK18 postcode
Broadband in MK18 3NJ
Granborough, Buckinghamshire
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 3 March 2026
Flood Risk
Medium
Fibre (FTTP)
No
Best speed
33% Gigabit
Speed Calculator
Adjust the options below to see how much broadband speed your household needs.
HD uses ~5 Mbps per person. 4K uses ~25 Mbps.
Each person on calls needs around 10 Mbps.
Competitive gaming needs low latency as much as raw speed.
Cameras, thermostats, speakers and similar devices each use a few Mbps.
Gigabit broadband (33% Gigabit) is available at MK18 3NJ. That covers your 14 Mbps needs with room to spare.
Speed Test
Check your current download speed and see how it compares to what is available at MK18 3NJ.
The test downloads a 2 MB file from our server and measures how long it takes.
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Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
Living near MK18 3NJ
Considering Granborough? MK18 3NJ sits in the Buckinghamshire area. We've gathered broadband, property, crime, school, and environmental data for this exact postcode. Ookla speed tests, Land Registry prices, Ofcom coverage stats, Police.uk crime figures. All from verified government sources. No estimates, no guesswork. Just the numbers that matter when choosing where to live.
Broadband at MK18 3NJ is below average. Superfast covers just 33% of premises. The UK average sits at 93%. Big gap here. Video calls may drop. Streaming will buffer. Check if 4G or 5G home broadband is an option. Some providers offer mobile broadband alternatives. Gigabit connections: 33% coverage. Gigabit rollout is underway but not complete.
Ofcom data covers availability. Ookla measures real performance. Average download at MK18 3NJ: 251 Mbps. Upload: 213 Mbps. Latency: 23ms. Well above the UK average of around 70 Mbps. 4K streaming on multiple devices at once. No problem. Large file downloads finish in minutes, not hours. Upload speed is strong for cloud backups. Data from 23 speed tests in this area.
17.1% of premises here miss the USO threshold. That's 10 Mbps down and 1 Mbps up. A legal minimum, and some homes don't reach it. Contact BT if you're affected. They must provide a solution. Next-gen fibre infrastructure covers 34.1% of premises. Older copper lines serve the rest. Copper connections lose speed with distance from the exchange.
Property prices in Granborough average £417,800. That's well above the UK average of £290,000. About 44% higher than the national figure. Based on six Land Registry transactions. Most recent sale: £163,000. A terraced in June 2024. Below the local average. Could be a flat or smaller home. A moderate number of sales. Gives a decent picture.
Crime figures for this area: 0 in one month. Low crime area. Fewer incidents than most places this size. Crime data is at LSOA level, not postcode. Nearby postcodes share these figures. The area covers roughly 1,500 residents. Monthly figures move around. The pattern matters more.
Five schools near MK18 3NJ. Nearest: North Marston Church of England School. Distance: 1.64 miles. Type: Primary. Second nearest: Furze Down School (1.64 mi). Also: Winslow Church of England School (1.82 mi). Reasonable school options. Check individual school catchment areas for your address.
Flood risk: Medium. Zone: Zone 2/3. Moderate flood risk. Get a flood risk assessment before buying. Insurance premiums may be higher. Air quality: Fair. PM2.5: 2.2 µg/m³. Well within WHO guidelines.
Local population: 1,206. Median age: 42. Rural area. 43 people per km². Expect quiet roads and more space between homes. Fewer local amenities. Car likely a must. Deprivation index: decile 8 out of 10. That's least deprived. One of the least deprived areas in England.
Nearest train station: Stockport. Distance: 115.9 miles. You'll need a car to get there. Also: Ashton-under-Lyne (119.9 mi). And Manchester Piccadilly (121.7 mi). Five public EV chargers nearby. Closest: 5.7 miles away. Good EV charging options in the area.
Council tax: mostly Band D. Many larger, higher-banded properties here. Check your exact band at gov.uk/council-tax-bands. Band affects your annual bill by hundreds of pounds.
Nearest GP: WADDESDON SURGERY. Distance: 5.4 miles. Five practices in the wider area. Check directly about new patient availability. GP lists fill up. Register early if you're moving. Not the closest. Factor in travel time. Register with a GP before you need one. Waiting lists vary between practices.
4G outdoor coverage: 99.8%. 5G outdoor: 96.5%. Strong mobile signal across the area. 5G is widely available here. Data is at local authority level from Ofcom. Street-level signal can vary. Buildings and terrain affect actual reception. Try your handset on-site before switching provider.
Remote working score: 35/100. May struggle with demanding remote work. Family score: 90/100. Ticks the boxes for families. Scores factor in broadband, schools, crime, and GPs. They weight each category by its relevance. A low score doesn't mean the area is bad. It means specific factors may not suit that use case. Compare scores with nearby postcodes to spot patterns.
A note on broadband providers. Ofcom data shows what's available. Not which provider to pick. Actual speeds depend on your line, your router, and your provider. Check BT, Sky, Virgin Media, and local FTTP operators. Compare deals at broadbandcompareuk.com or uSwitch. Contract lengths vary. 18 months is standard. Some offer 12. Ask about setup fees. They range from free to £50+. The area gets good real-world speeds. Most providers should deliver on their promises here.
Granborough is a rural area. Open fields and quiet lanes. A car is a must. Public transport is limited. Nearest supermarket may be a drive away.
Every figure on this page has a source. Ofcom for broadband. Police.uk for crime. Land Registry for house prices. ONS for demographics. Environment Agency for flood risk. Ookla for real speed tests. We don't estimate or interpolate. If the data isn't available, we say so.
A data profile is a starting point. Visit MK18 3NJ before making decisions. Drive the commute at peak time. Walk to the local shops. Check mobile signal inside a property, not just outside. Look at the street on Google Maps and in person. They often tell different stories.
That covers the key data for MK18 3NJ. Visit in person before deciding. Walk the streets at different times of day. Talk to neighbours if you can. Check parking, noise levels, and local shops. The numbers give you the framework. The visit fills in the rest. Data changes over time. Bookmark this page and check back for updates.
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 33% | 33% | 10-20 Mbps |
| Superfast (30+ Mbps) | 33% | 33% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 33% | 33% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 33% | 33% | 900-1,000 Mbps |
Speed Distribution at MK18 3NJ
Source: Ofcom Connected Nations 2025
Real-World Speeds at MK18 3NJ
Based on 23 Ookla Speedtest results (Q4 2025)
Download
251
Mbps
Upload
213
Mbps
Latency
23
ms
Tests
23
results
Source: Ookla Speedtest Open Data (CC BY-SA 4.0)
Digital Divide at MK18 3NJ
Fibre-to-cabinet or better
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
Cell Tower Coverage near MK18 3NJ
Source: OpenStreetMap Contributors
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Area suitability scores
MK18 3NJRemote Worker
35Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
90Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.
Value for Money
50Based on broadband quality relative to average house price in the area.
Map
House prices
Average price
£417,800
Sales (5 yrs)
Trend
falling
Most recent sale
£163,000 on
| Date | Price | Street |
|---|---|---|
| £163,000 | WINSLOW ROAD | |
| £846,300 | WINSLOW ROAD | |
| £195,000 | WINSLOW ROAD | |
| £830,000 | WINSLOW ROAD | |
| £257,500 | WINSLOW ROAD | |
| £215,000 | WINSLOW ROAD |
Crime summary
Based on Police.uk data for 2025-12Total crimes last month: 0
Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
| School | Type | Ofsted | Rating | Distance |
|---|---|---|---|---|
| North Marston Church of England School | Primary | Not available | ★★★☆☆ | 1.6 mi |
| Furze Down School | Special | Not available | ★★★☆☆ | 1.6 mi |
| Winslow Church of England School | Primary | Not available | ★★★☆☆ | 1.8 mi |
| East Claydon Church of England School | Primary | Not available | ★★★☆☆ | 2.0 mi |
| Sir Thomas Fremantle School | Secondary | Not available | ★★★☆☆ | 2.0 mi |
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Check Deals →Flood risk
Zone 2/3
🟠
Flood risk: Medium
This postcode is in Zone 2/3 — medium risk of flooding from rivers and sea.
Flood Zone
Zone 2/3
Risk Level
Medium
EPC energy ratings
Energy Performance Certificate distribution for this area
Most common: Band E
EPC score 39–54
Council tax bands
Band distribution for Buckinghamshire
Most common: Band D
~£2,189/yr · Buckinghamshire
Annual council tax estimates for Buckinghamshire, 2024/25
Transport links
Nearest train stations and towns
Nearest train stations
Stockport
115.9 mi
by road
Ashton-under-Lyne
119.9 mi
by road
Manchester Piccadilly
121.7 mi
by road
GP surgeries nearby
Nearest NHS GP practices
WADDESDON SURGERY
new patients
HMP SPRING HILL
new patients
HMP GRENDON
new patients
BERRYCROFT COMMUNITY HEALTH CENTRE
new patients
THE SWAN PRACTICE
new patients
Air quality
Particulate matter & nitrogen dioxide levels
Fair air quality
Air quality data not available.
WHO guideline: 15 μg/m³
WHO guideline: 45 μg/m³
WHO guideline: 25 μg/m³
EV charging nearby
Public EV charging points within 5 miles
EV Charger
5.7 mi
away
EV Charger
6.3 mi
away
Pod Point
6.3 mi
away
Monta Charge
6.5 mi
away
Monta Charge
6.9 mi
away
Deprivation index (IMD)
English Indices of Deprivation 2019 · LSOA: E01017715
Overall IMD Decile
8 / 10
Above average
Ranked
24,175
of 32,844 areas
Decile 10 = least deprived 10% of England. Decile 1 = most deprived 10%. Based on Aylesbury Vale 006C (2019 boundaries).
| Domain | Decile | Rank | Assessment |
|---|---|---|---|
| Income | 9 | 27,407 | Least deprived |
| Employment | 10 | 30,799 | Least deprived |
| Education | 9 | 4 | Least deprived |
| Health | 9 | -1 | Least deprived |
| Crime | 10 | -1 | Least deprived |
Area demographics
Data for LSOA: Buckinghamshire 006C
Population
1,206
Census 2021
Density
43
per km² · Rural
Median Age
42
years (est.)
Estimated from area type (density-based); exact value requires Census TS007 age breakdown
Area info
Parish
Granborough
District
Buckinghamshire
Region
Constituency
LSOA
E01017715
Frequently asked questions about MK18 3NJ
What are the broadband speeds available at MK18 3NJ?
Superfast broadband (30Mbps+) is available to 33% of premises at MK18 3NJ. Maximum download speeds reach 33% Gigabit. Ultrafast coverage is at 33%.
What is the average house price near MK18 3NJ?
Average property price near MK18 3NJ: £417,800. Based on 6 Land Registry sales. The most recent sale was a terraced for £163,000 in 2024.
What is the flood risk for properties at MK18 3NJ?
MK18 3NJ has a Medium flood risk rating, classified as Zone 2/3 by the Environment Agency. Check the Environment Agency flood map for detailed risk information.
What schools are nearby in the MK18 3NJ area?
The nearest school to MK18 3NJ is North Marston Church of England School (Primary), 1.64 miles away. There are 5 schools within a few miles of this postcode.
How does crime rate in MK18 3NJ compare to other areas?
In the latest month of data, 0 crimes were reported in this area (LSOA level). This is below average.
How suitable is MK18 3NJ for remote working?
MK18 3NJ scores 35/100 for remote working suitability, making it somewhat limited for home workers. This score factors in superfast broadband coverage, full fibre availability, and mobile signal strength.
What is the mobile signal like at MK18 3NJ?
4G outdoor coverage at MK18 3NJ is 99.8%, with 5G outdoor at 96.5%. Networks available include EE, O2, Three, Vodafone. Data is at local authority level from Ofcom Connected Nations.
What is the most common energy efficiency rating for homes near MK18 3NJ?
EPC data is not yet available for MK18 3NJ. Energy Performance Certificates are recorded when properties are sold or rented. Check the EPC register at epc.opendatacommunities.org for individual property ratings.
What is the council tax band distribution at MK18 3NJ?
The most common council tax band in Buckinghamshire is Band D. Band D council tax is approximately £1822 per year. Check your exact band at gov.uk.
How accessible are GP surgeries near MK18 3NJ?
The nearest GP surgery to MK18 3NJ is WADDESDON SURGERY, 5.4 miles away. There are 5 GP practices within reach.
What transport links are available near MK18 3NJ?
The nearest train station to MK18 3NJ is Stockport, 115.9 miles away. Other nearby stations include Ashton-under-Lyne (119.9 mi) and Manchester Piccadilly (121.7 mi).
Is MK18 3NJ a suitable area for families?
MK18 3NJ scores 90/100 for family suitability, rated very suitable. This score considers Ofsted school ratings, crime rates, flood risk, and proximity to GP surgeries.
What is the air quality like at MK18 3NJ?
Air quality at MK18 3NJ is rated Fair with PM2.5 levels at 2.2 µg/m³. This is close to WHO guideline levels.
How far is the nearest EV charging point from MK18 3NJ?
The nearest public EV charging point to MK18 3NJ is 5.7 miles away (EV Charger, Type 2). There are 5 charging points within 5 miles.
Can I get full fibre broadband at MK18 3NJ?
Ultrafast broadband (100Mbps+) is available to 33% of premises at MK18 3NJ. Gigabit coverage reaches 33%. Providers like BT, Virgin Media, or local full fibre operators may serve this area.
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