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MK18 postcode

Broadband in MK18 3NS

Granborough, Buckinghamshire

Gigabit broadband is available at this postcode.

Best speed10% Gigabit
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 9 March 2026

Flood Risk

Medium

Fibre (FTTP)

No

Best speed

10% Gigabit

Reviewed by Rex BlackwellData last verified: 9 March 2026

Speed Calculator

Adjust the options below to see how much broadband speed your household needs.

2
18

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.

Estimated speed needed14 Mbps

Gigabit broadband (10% Gigabit) is available at MK18 3NS. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at MK18 3NS.

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)

Living near MK18 3NS

Considering Granborough? MK18 3NS 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 3NS is below average. Superfast covers just 10% 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: 10% coverage. Gigabit is available to some, not all.

Advertised speeds and actual speeds are different things. Average download at MK18 3NS: 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.

Every premises at MK18 3NS meets the broadband USO. Only 10% can reach 300 Mbps though. The baseline is met. Top speeds are another story. Next-gen fibre infrastructure covers 10% of premises. Older copper lines serve the rest. Copper connections lose speed with distance from the exchange.

Limited house price data for MK18 3NS. Few residential sales on record here. Could be a commercial area, new development, or rental-heavy. Land Registry only records completed sales. Rentals and new-builds under shared ownership may not appear. Check Rightmove or Zoopla for current asking prices. Talk to local estate agents for a ground-level view.

Police.uk data: 0 incidents last 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 3NS. Nearest: North Marston Church of England School. Distance: 1.45 miles. Type: Primary. Second nearest: Furze Down School (1.84 mi). Also: Winslow Church of England School (2 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: 116.1 miles. You'll need a car to get there. Also: Ashton-under-Lyne (120.1 mi). And Manchester Piccadilly (121.9 mi). Five public EV chargers nearby. Closest: 5.52 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: 5.2 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: 22/100. 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.

Transparency matters. Broadband data: Ofcom Connected Nations 2025. House prices: Land Registry. Crime: Police.uk. Demographics: ONS Census 2021. Flood risk: Environment Agency. Speed tests: Ookla Open Data Q4 2025. Cell towers: OpenStreetMap. All free, all public.

A data profile is a starting point. Visit MK18 3NS 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 3NS. 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.

TechnologyAvailableCoverageTypical Speed
Standard (ADSL)10%
10%
10-20 Mbps
Superfast (30+ Mbps)10%
10%
30-80 Mbps
Ultrafast (100+ Mbps)10%
10%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit10%
10%
900-1,000 Mbps

Speed Distribution at MK18 3NS

5–10 Mbps (90%)
300+ Mbps (10%)

Source: Ofcom Connected Nations 2025

Real-World Speeds at MK18 3NS

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 3NS

Below USO (can't get 10/1 Mbps)0%
Unable to receive 30 Mbps (no superfast)90%
Next Generation Access (NGA) coverage10%

Fibre-to-cabinet or better

Decent broadband via Fixed Wireless (FWA)0%

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

99.8%

4G Indoor

99.3%

5G Outdoor

96.5%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025 (Jul 2025) · Data at local authority area level

Cell Tower Coverage near MK18 3NS

No cell towers found within 2 km. Mobile signal may be weak in this area.

Source: OpenStreetMap Contributors

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Area suitability scores

MK18 3NS

Remote Worker

22

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

90

Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.

Value for Money

50

Based on broadband quality relative to average house price in the area.

Map

Crime summary

Based on Police.uk data for 2025-12

Total crimes last month: 0

Schools nearby

Nearest schools within 5 miles · Ofsted ratings as at Jan 2026

SchoolTypeOfstedRatingDistance
North Marston Church of England SchoolPrimaryNot available★★★☆☆1.4 mi
Furze Down SchoolSpecialNot available★★★☆☆1.8 mi
Winslow Church of England SchoolPrimaryNot available★★★☆☆2.0 mi
East Claydon Church of England SchoolPrimaryNot available★★★☆☆2.0 mi
Sir Thomas Fremantle SchoolSecondaryNot 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

Environment Agency flood risk data

EPC energy ratings

Energy Performance Certificate distribution for this area

D

Most common: Band D

EPC score 55–68

A
0%
B
4%
C
3%
D
8%
E
5%
F
4%
G
0%
EPC Open Data Communities API

Council tax bands

Band distribution for Buckinghamshire

D

Most common: Band D

2,189/yr · Buckinghamshire

A
3%£1,459
B
8%£1,702
C
18%£1,946
D
22%£2,189
E
20%£2,676
F
14%£3,162
G
10%£3,648
H
5%£4,378

Annual council tax estimates for Buckinghamshire, 2024/25

Valuation Office Agency (VOA) · Check exact band at gov.uk

Transport links

Nearest train stations and towns

Nearest train stations

🚂

Stockport

116.1 mi

by road

🚂

Ashton-under-Lyne

120.1 mi

by road

🚂

Manchester Piccadilly

121.9 mi

by road

NaPTAN · Straight-line distances

GP surgeries nearby

Nearest NHS GP practices

1

WADDESDON SURGERY

HP18 0LY·5.2 miles away
Not accepting

new patients

2

HMP SPRING HILL

HP18 0TL·5.6 miles away
Not accepting

new patients

3

HMP GRENDON

HP18 0TL·5.6 miles away
Not accepting

new patients

4

BERRYCROFT COMMUNITY HEALTH CENTRE

HP18 1BB·5.8 miles away
Not accepting

new patients

5

PLANNED CARE AT FEDBUCKS

HP19 8HL·7.0 miles away
Not accepting

new patients

NHS website (NHS.uk find a GP) · Nearest 3 GP practicesFind a GP →

Air quality

Particulate matter & nitrogen dioxide levels

Fair air quality

Air quality data not available.

PM2.5 (fine particles)2.2 μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles) μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide) μg/m³

WHO guideline: 25 μg/m³

Open-Meteo Air Quality API · Guidelines: WHO 2021

EV charging nearby

Public EV charging points within 5 miles

🔋

EV Charger

Type 2

5.5 mi

away

🔋

EV Charger

Type 22 points

6.0 mi

away

🔋

Pod Point

Type 24 points

6.4 mi

away

🔋

Monta Charge

Type 22 points

6.7 mi

away

🔋

EV Charger

Type 2

6.7 mi

away

OpenStreetMap Overpass API (replaces decommissioned DFT National Chargepoint Registry, which closed Nov 2024) · Within 5 miles

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).

DomainDecileRankAssessment
Income927,407Least deprived
Employment1030,799Least deprived
Education94Least deprived
Health9-1Least deprived
Crime10-1Least deprived
English Indices of Deprivation 2019 (MHCLG)

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

Census 2021 (ONS via Nomis NM_2028_1, NM_2026_1)

Area info

Parish

Granborough

District

Buckinghamshire

Region

Constituency

LSOA

E01017715

Frequently asked questions about MK18 3NS

What are the broadband speeds available at MK18 3NS?

Superfast broadband (30Mbps+) is available to 10% of premises at MK18 3NS. Maximum download speeds reach 10% Gigabit. Ultrafast coverage is at 10%.

What is the average house price near MK18 3NS?

No recent house price data for MK18 3NS. Few residential sales on record, or mainly commercial properties.

What is the flood risk for properties at MK18 3NS?

MK18 3NS 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 3NS area?

The nearest school to MK18 3NS is North Marston Church of England School (Primary), 1.45 miles away. There are 5 schools within a few miles of this postcode.

How does crime rate in MK18 3NS 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 3NS for remote working?

MK18 3NS scores 22/100 for remote working suitability, making it challenging 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 3NS?

4G outdoor coverage at MK18 3NS 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 3NS?

EPC data is not yet available for MK18 3NS. 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 3NS?

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 3NS?

The nearest GP surgery to MK18 3NS is WADDESDON SURGERY, 5.2 miles away. There are 5 GP practices within reach.

What transport links are available near MK18 3NS?

The nearest train station to MK18 3NS is Stockport, 116.1 miles away. Other nearby stations include Ashton-under-Lyne (120.1 mi) and Manchester Piccadilly (121.9 mi).

Is MK18 3NS a suitable area for families?

MK18 3NS 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 3NS?

Air quality at MK18 3NS 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 3NS?

The nearest public EV charging point to MK18 3NS is 5.52 miles away (EV Charger, Type 2). There are 5 charging points within 5 miles.

Can I get full fibre broadband at MK18 3NS?

Ultrafast broadband (100Mbps+) is available to 10% of premises at MK18 3NS. Gigabit coverage reaches 10%. Providers like BT, Virgin Media, or local full fibre operators may serve this area.

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