MK18 postcode
Broadband in MK18 3NT
Granborough, Buckinghamshire
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 20 March 2026
Flood Risk
Medium
Fibre (FTTP)
No
Best speed
61% 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 (61% Gigabit) is available at MK18 3NT. 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 3NT.
The test downloads a 2 MB file from our server and measures how long it takes.
This test measures download speed only. Results vary depending on network conditions.
Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 61% | 61% | 10-20 Mbps |
| Superfast (30+ Mbps) | 61% | 61% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 61% | 61% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 61% | 61% | 900-1,000 Mbps |
Speed Distribution at MK18 3NT
Source: Ofcom Connected Nations 2025
Real-World Speeds at MK18 3NT
Based on 7 Ookla Speedtest results (Q4 2025)
Download
158
Mbps
Upload
160
Mbps
Latency
6
ms
Tests
7
results
Source: Ookla Speedtest Open Data (CC BY-SA 4.0)
Digital Divide at MK18 3NT
Fibre-to-cabinet or better
Source: Ofcom Connected Nations 2025
Cell Tower Coverage near MK18 3NT
Source: OpenStreetMap Contributors
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
House prices
Average price
£648,038
Sales (5 yrs)
Trend
rising
Most recent sale
£490,000 on
| Date | Price | Street |
|---|---|---|
| £490,000 | GREEN END | |
| £490,000 | GREEN END | |
| £300,000 | GREEN END | |
| £470,000 | GREEN END | |
| £1,317,500 | GREEN END | |
| £1,400,000 | GREEN END | |
| £710,000 | GREEN END | |
| £480,000 | GREEN END | |
| £497,500 | GREEN END | |
| £565,000 | GREEN END |
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 | ★★★☆☆ | 1.5 mi |
| Furze Down School | Special | Not available | ★★★☆☆ | 1.8 mi |
| Winslow Church of England School | Primary | Not available | ★★★☆☆ | 1.9 mi |
| Sir Thomas Fremantle School | Secondary | Not available | ★★★☆☆ | 2.1 mi |
| Swanbourne House School | Independent | Not available | ★★★☆☆ | 2.2 mi |
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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
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
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
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 |
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
EV charging nearby
Public EV charging points within 5 miles
EV Charger
5.7 mi
away
EV Charger
6.1 mi
away
Pod Point
6.5 mi
away
EV Charger
6.7 mi
away
Monta Charge
6.7 mi
away
Council tax bands
Band distribution for Buckinghamshire
Most common: Band D
~£2,189/yr · Buckinghamshire
Annual council tax estimates for Buckinghamshire, 2024/25
EPC energy ratings
Energy Performance Certificate distribution for this area
Most common: Band E
EPC score 39–54
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
WESTCROFT HEALTH CENTRE
new patients
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Looking at MK18 3NT in Granborough? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources. The guide is updated as new data becomes available.
Superfast broadband (30 Mbps+) coverage at MK18 3NT stands at 61.3%. That is below the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 61.3% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 61.3% of premises. Gigabit is available but not yet widespread at this postcode. The maximum download speed recorded is 61% Gigabit. That is above the UK real-world average of 69 Mbps.
The speed distribution at MK18 3NT tells a more detailed story than headline figures alone. 5.1% of connections fall in the 2 to 5 Mbps range. 32.2% of connections fall in the 5 to 10 Mbps range. 62.7% of connections fall in the 300 Mbps or faster range. 5% of premises get less than 5 Mbps. That is not enough for reliable video calls or streaming. Over half of connections exceed 300 Mbps. That supports multiple 4K streams, large file transfers, and cloud gaming without issue.
Here is how the broadband at MK18 3NT maps against common household needs. Upload speeds average 159.88 Mbps. That handles HD video calls, cloud backups, and uploading large files without issues. 4K streaming is possible on one device at a time. HD streaming works across multiple devices. Latency is 6 ms. That is excellent for online gaming, competitive play, and real-time applications. Remote working is viable here. Video conferencing, cloud documents, and VPN connections should all perform well.
Fixed Wireless Access is not currently available at MK18 3NT. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
Real-world download speeds at MK18 3NT average 158.49 Mbps based on Ookla Speedtest data. This reflects what people actually get, not just what providers advertise. Upload speeds average 159.88 Mbps. Latency sits at 6 ms. That is excellent for responsive browsing and gaming. This is based on 7 speed tests run by local users.
The USO guarantees every UK home at least 10 Mbps. At MK18 3NT, 0% of properties do not meet this threshold. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 62.7% of the area. NGA typically means speeds of 24 Mbps or above.
The nearest tower is 7.1 km away.
House prices near MK18 3NT sit at £648,038 on average. This puts the area above the national benchmark. This is based on 12 recorded transactions from Land Registry data.
Crime in the LSOA covering MK18 3NT totalled 0 offences last month. This is a relatively low figure. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.
The nearest school to MK18 3NT is North Marston Church of England School. It is a Primary school, 1.48 miles away. Ofsted rates it as Not available. There are 5 schools within a few miles of this postcode.
Flood risk at MK18 3NT is rated Medium (Zone 2/3). Check Environment Agency flood maps for detailed information. Specialist flood insurance may be needed. Air quality is rated Fair with PM2.5 at 1.4 micrograms per cubic metre.
The LSOA covering MK18 3NT has a population of approximately 1206. Median age is 42. That is close to the national median of 40.
Stockport station is the closest rail link at 116.1 miles from MK18 3NT. The station is some distance away. Consider driving, or check for direct bus routes. Ashton-under-Lyne is the next closest at 120.1 miles. Manchester Piccadilly offers another option at 121.9 miles.
Properties around MK18 3NT most commonly fall into council tax Band D. The billing authority is Buckinghamshire. The three most common bands are D (22%), E (20%), C (18%). Band D corresponds to 1991 property values of £68,001 to £88,000. Current values are typically much higher. The spread across mid-range bands suggests a varied housing stock.
4G outdoor coverage at MK18 3NT reaches 99.8%. Indoor 4G drops to 99.3%. Indoor coverage is close to outdoor levels. Signal should be reliable throughout the building. 5G outdoor coverage is at 96.5%. That makes 5G home broadband a genuine alternative to fixed-line connections. Coverage data covers EE, O2, Three, Vodafone. Check each operator individually, as coverage varies by network. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.
Suitability scores for MK18 3NT: remote working 50/100, family 85/100, value 35/100. Remote workers may want to verify actual speeds before committing.
MK18 3NT falls within the Buckinghamshire local authority area. The immediate area is Granborough, a distinct community within the wider district. The MK18 postcode area contains 1232 postcodes on this site. Superfast broadband across MK18 ranges from 0% to 100%. MK18 3NT is below the area average of 88%.
How does MK18 3NT compare to its neighbours? MK18 3NS (0.22 miles, Granborough) has 10% superfast coverage and 10% gigabit. MK18 3NP (0.22 miles, Granborough) has 35.3% superfast coverage and 35.3% gigabit. MK18 3NN (0.26 miles, Granborough) has 40% superfast coverage and 40% gigabit. MK18 3NW (0.26 miles, Granborough) has 62.5% superfast coverage and 62.5% gigabit. MK18 3NT has better superfast coverage than its immediate neighbours.
Broadband availability varies by provider and by property. At MK18 3NT, check individual coverage tools from BT, Sky, Virgin Media, and local operators. If fibre is unavailable, consider 4G home broadband or satellite as alternatives. Speeds may still be adequate for most uses. Compare contract lengths, total costs over the term, and exit fees. The cheapest monthly rate is not always the best deal.
The age profile is close to the national median. A mix of families, professionals, and retirees.
What does all of this mean for someone considering MK18 3NT? Buckinghamshire as a local authority area has its own planning priorities, council services, and infrastructure investment plans. Check the council website for the latest. The data covers what can be measured. Granborough has its own character that numbers alone cannot capture. Use these figures as a filter, then visit to get the full picture.
Data sources include Ofcom (broadband and mobile), Land Registry (house prices), Police.uk (crime), Ofsted (schools), Environment Agency (flood risk), and Open-Meteo (air quality). Council tax data comes from the Valuation Office Agency. EPC data is from DLUHC. Transport data uses NaPTAN. Speed distribution figures are from Ofcom Connected Nations. All figures are the latest available at the time of writing.
Data is a starting point for Granborough. Walk the streets at different times. Test your mobile signal. Check parking, noise levels, and the feel of the neighbourhood. Run a speed test on the actual connection. Some things only a visit can reveal.
That is the full data picture for MK18 3NT in Granborough. Use it alongside your own research. For the most current broadband speeds, run a live speed test from this page. Check back periodically as data is refreshed with new releases.
Frequently asked questions about MK18 3NT
What are the broadband speeds available at MK18 3NT?
Superfast broadband (30 Mbps+) is available to 61.3% of premises at MK18 3NT. Maximum download speeds reach 61% Gigabit. Ultrafast coverage is at 61.3%.
What is the average house price near MK18 3NT?
The average property price at MK18 3NT is £648,038, based on 12 recorded transactions.
What is the flood risk for properties at MK18 3NT?
MK18 3NT has a Medium flood risk rating, classified as Zone 2/3. Check Environment Agency maps for detail.
What schools are nearby in the MK18 3NT area?
The nearest school is North Marston Church of England School (Primary), 1.48 miles away. There are 5 schools within a few miles.
How does crime rate in MK18 3NT compare to other areas?
0 offences were recorded in this LSOA area in the latest month. This is relatively low.
How suitable is MK18 3NT for remote working?
MK18 3NT scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at MK18 3NT?
4G outdoor coverage at MK18 3NT is 99.8%. 5G reaches 96.5%. Indoor coverage may be lower.
What is the most common energy efficiency rating near MK18 3NT?
EPC data for MK18 3NT is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at MK18 3NT?
The most common council tax band near MK18 3NT is Band D. The billing authority is Buckinghamshire.
How accessible are GP surgeries near MK18 3NT?
GP surgery data for MK18 3NT is being updated. Check NHS.uk for the latest.
What transport links are available near MK18 3NT?
The nearest train station to MK18 3NT is Stockport, 116.1 miles away. Ashton-under-Lyne is also nearby.
Is MK18 3NT a suitable area for families?
MK18 3NT scores 85/100 for family suitability. Good schools and low crime contribute to a high score.
What is the air quality like at MK18 3NT?
Air quality at MK18 3NT is rated Fair. PM2.5 levels are 1.4 micrograms per cubic metre. Sensitive individuals should take note.
How far is the nearest EV charging point from MK18 3NT?
EV charging data for MK18 3NT is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at MK18 3NT?
Ultrafast broadband (100 Mbps+) reaches 61.3% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
MK18 3NTRemote Worker
50Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
85Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.
Value for Money
35Based on broadband quality relative to average house price in the area.
Map
Area info
Parish
Granborough
District
Buckinghamshire
Region
Constituency
LSOA
E01017715
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