MK18 postcode
Broadband in MK18 3LF
Swanbourne, Buckinghamshire
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 21 March 2026
Flood Risk
Medium
Fibre (FTTP)
No
Best speed
20% 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 (20% Gigabit) is available at MK18 3LF. 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 3LF.
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) | 20% | 20% | 10-20 Mbps |
| Superfast (30+ Mbps) | 20% | 20% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 20% | 20% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 20% | 20% | 900-1,000 Mbps |
Speed Distribution at MK18 3LF
Source: Ofcom Connected Nations 2025
Real-World Speeds at MK18 3LF
Based on 1 Ookla Speedtest results (Q4 2025)
Download
205
Mbps
Upload
204
Mbps
Latency
5
ms
Tests
1
results
Source: Ookla Speedtest Open Data (CC BY-SA 4.0)
Digital Divide at MK18 3LF
Fibre-to-cabinet or better
Source: Ofcom Connected Nations 2025
Cell Tower Coverage near MK18 3LF
Source: OpenStreetMap Contributors
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
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 |
|---|---|---|---|---|
| Swanbourne House School | Independent | Not available | ★★★☆☆ | 1.1 mi |
| Swanbourne Church of England VA School | Primary | Not available | ★★★☆☆ | 1.3 mi |
| Winslow Church of England School | Primary | Not available | ★★★☆☆ | 1.8 mi |
| North Marston Church of England School | Primary | Not available | ★★★☆☆ | 1.9 mi |
| Furze Down School | Special | Not available | ★★★☆☆ | 2.1 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
6.2 mi
away
BP Pulse
6.3 mi
away
bp pulse
6.3 mi
away
EV Charger
6.4 mi
away
EV Charger
6.4 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 F
EPC score 21–38
GP surgeries nearby
Nearest NHS GP practices
WADDESDON SURGERY
new patients
BERRYCROFT COMMUNITY HEALTH CENTRE
new patients
ASHCROFT SURGERY
new patients
3W HEALTH
new patients
WESTCROFT HEALTH CENTRE
new patients
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Check Deals →Living near MK18 3LF
Looking at MK18 3LF in Swanbourne? 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 coverage here stands at 20%. Nationally, 93% of UK premises have access. Some properties may struggle with speed. Ultrafast broadband (100 Mbps+) reaches 20% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 20% of premises. Gigabit is available but not yet widespread at this postcode. The maximum download speed recorded is 20% Gigabit. That is around the UK real-world average of 69 Mbps.
Looking at the full speed profile for MK18 3LF gives a better picture of what to expect. 20% of connections fall in the 2 to 5 Mbps range. 40% of connections fall in the 5 to 10 Mbps range. 20% of connections fall in the 10 to 30 Mbps range. 20% of connections fall in the 300 Mbps or faster range. 20% of premises get less than 5 Mbps. That is not enough for reliable video calls or streaming.
Here is how the broadband at MK18 3LF maps against common household needs. Upload speeds average 203.89 Mbps. That handles HD video calls, cloud backups, and uploading large files without issues. HD streaming works on one or two devices. 4K may buffer during peak hours. Latency is 5 ms. That is excellent for online gaming, competitive play, and real-time applications. Remote workers may find speeds limiting during peak hours. A wired ethernet connection helps with consistency.
FWA broadband has not reached MK18 3LF yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
Ookla Speedtest users at MK18 3LF see average downloads of 204.71 Mbps. Advertised speeds often differ from reality. These figures come from actual user tests. Upload speeds average 203.89 Mbps. Latency sits at 5 ms. That is excellent for responsive browsing and gaming. This is based on 1 speed tests run by local users.
0% of premises at MK18 3LF fall below the Universal Service Obligation of 10 Mbps. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 100% of the area. NGA typically means speeds of 24 Mbps or above.
The nearest tower is 8.64 km away.
0 crimes were reported near MK18 3LF in the most recent month. The level is relatively low. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.
The nearest school to MK18 3LF is Swanbourne House School. It is a Independent school, 1.1 miles away. Ofsted rates it as Not available. There are 5 schools within a few miles of this postcode.
Flood risk at MK18 3LF 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 2.2 micrograms per cubic metre.
The LSOA covering MK18 3LF 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 116.3 miles from MK18 3LF. The station is some distance away. Consider driving, or check for direct bus routes. Ashton-under-Lyne is the next closest at 120.2 miles. Manchester Piccadilly offers another option at 122.1 miles.
Properties around MK18 3LF 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 3LF 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 3LF: remote working 20/100, family 85/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for MK18 3LF is Buckinghamshire. The immediate area is Swanbourne, 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 3LF is below the area average of 88%.
How does MK18 3LF compare to its neighbours? MK18 3LE (0.15 miles, Swanbourne) has 80% superfast coverage and 80% gigabit. MK18 3LG (1.08 miles, Hoggeston) has 0% superfast coverage and 0% gigabit. MK17 0SN (1.12 miles, Swanbourne) has 100% superfast coverage and 100% gigabit. MK17 0HZ (1.12 miles, Swanbourne) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.
Broadband availability varies by provider and by property. At MK18 3LF, 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.
Pulling the data together for MK18 3LF, here is what stands out. Where fixed broadband falls short, strong 4G coverage offers a practical backup.
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 Swanbourne. 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.
MK18 3LF in Swanbourne: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live reading. Compare with nearby postcodes to see how this area stacks up against its neighbours.
Frequently asked questions about MK18 3LF
What are the broadband speeds available at MK18 3LF?
Superfast broadband (30 Mbps+) is available to 20% of premises at MK18 3LF. Maximum download speeds reach 20% Gigabit. Ultrafast coverage is at 20%.
What is the average house price near MK18 3LF?
No recent house price data is available for MK18 3LF.
What is the flood risk for properties at MK18 3LF?
MK18 3LF has a Medium flood risk rating, classified as Zone 2/3. Check Environment Agency maps for detail.
What schools are nearby in the MK18 3LF area?
The nearest school is Swanbourne House School (Independent), 1.1 miles away. There are 5 schools within a few miles.
How does crime rate in MK18 3LF compare to other areas?
0 offences were recorded in this LSOA area in the latest month. This is relatively low.
How suitable is MK18 3LF for remote working?
MK18 3LF scores 20/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at MK18 3LF?
4G outdoor coverage at MK18 3LF is 99.8%. 5G reaches 96.5%. Indoor coverage may be lower.
What is the most common energy efficiency rating near MK18 3LF?
EPC data for MK18 3LF is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at MK18 3LF?
The most common council tax band near MK18 3LF is Band D. The billing authority is Buckinghamshire.
How accessible are GP surgeries near MK18 3LF?
GP surgery data for MK18 3LF is being updated. Check NHS.uk for the latest.
What transport links are available near MK18 3LF?
The nearest train station to MK18 3LF is Stockport, 116.3 miles away. Ashton-under-Lyne is also nearby.
Is MK18 3LF a suitable area for families?
MK18 3LF scores 85/100 for family suitability. Good schools and low crime contribute to a high score.
What is the air quality like at MK18 3LF?
Air quality at MK18 3LF is rated Fair. PM2.5 levels are 2.2 micrograms per cubic metre. Sensitive individuals should take note.
How far is the nearest EV charging point from MK18 3LF?
EV charging data for MK18 3LF is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at MK18 3LF?
Ultrafast broadband (100 Mbps+) reaches 20% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
MK18 3LFRemote Worker
20Based 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
50Based on broadband quality relative to average house price in the area.
Map
Area info
Parish
Swanbourne
District
Buckinghamshire
Region
Constituency
LSOA
E01017715
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