WB
South Mimms Services
M25/A1(M) J23 (M25) · Welcome Break
📍 Location & 17 Nearby Attractions
📊 How busy is the M25?
The M25 carries up to 212,636 vehicles a day
at its busiest stretch (near J14),
including 14,853 HGVs —
Britain's busiest motorway.
Official Department for Transport counts, 2025.
212,636
🚗 vehicles a day · near J14
7%
HGVs
share of traffic on the busiest stretch
Busiest stretch of each motorway — vehicles a day
M25
212,636
M6
187,521
M56
179,634
M1
162,446
M8
158,065
M4
156,491
View as table
Road Busiest stretch Vehicles/day HGVs/day HGV share M25 ◀
near J14
212,636
14,853
7% M6
J20–J21
187,521
23,492
12.5% M56
J3–J4
179,634
7,547
4.2% M1
near J9
162,446
19,151
11.8% M8
J16–J17
158,065
7,214
4.6% M4
near J4
156,491
6,249
4%
🍔 Food & Shopping
Food & Drink
Starbucks Burger King KFC Greggs Subway Fresh Food Café
Shops
WHSmith M&S Simply Food
⛽ Fuel & Accommodation
⛽ BP 🏨 Days Inn
🚻 Facilities
🚻 Toilets
🍼 Baby Change
♿ Accessible
♿ Changing Places
📶 Free WiFi
🏧 ATM
🚿 Showers
🏨 Hotel
🐕 Dog Area
🎮 Play Area
📍 What's Near South Mimms Services (17 places)
All (17)
🎭 Culture & Museums (2)
🏰 Landmarks & Stately Homes (3)
🌳 Nature & Countryside (1)
🏙️ Towns & Cities (1)
⚽ Football & Rugby Union (3)
🎓 Universities (1)
🏥 Major Hospitals (1)
🐕 Dog Walks & Country Parks (1)
🦁 Zoos & Wildlife Parks (2)
✈️ Airports & Ports (1)
🛍️ Shopping (1)
🌳
Brookmans Park
3 mi ↑ N · tap for map
🏙️
Potters Bar
3 mi ↑ N · tap for map
🐕
Trent Park
5 mi ↑ SE · tap for map
🦁
Willows Activity Farm
6 mi ↑ N · tap for map
⚽ Football & Rugby Union
⚽
Tottenham Hotspur Stadium
11mi ↑ SE
▾
60,000-capacity Premier League ground. NFL London games. Match days cause significant local traffic.
⚽
Wembley Stadium
12mi ↑ SW
▾
National stadium via M25 then M1 south. Major match day traffic hub.
⚽
Arsenal FC (Emirates Stadium)
12mi ↑ SE
▾
Premier League ground in Holloway. 60,000 capacity.
🦁 Zoos & Wildlife Parks
🦁
Willows Activity Farm
6mi ↑ N
▾
Family farm attraction with animals, soft play, and seasonal events near London Colney.
🦁
ZSL London Zoo
14mi ↑ SE
▾
World's oldest scientific zoo in Regent's Park. Tigers, gorillas, penguin beach. 750+ species.
🎭 Culture & Museums
🎭
Warner Bros Studio Tour
8mi ↑ NW
▾
Harry Potter studio tour in Leavesden. Major attraction drawing visitors from across the UK.
🎭
Madame Tussauds
14mi ↑ SE
▾
World-famous waxwork museum in Marylebone. Marvel, Star Wars, royal family figures. Huge tourist draw.
🏰 Landmarks & Stately Homes
🏰
Hatfield House
7mi ↑ N
▾
Jacobean stately home where Elizabeth I spent her childhood. Stunning gardens and parkland.
🏰
London Eye
18mi ↑ SE
▾
Iconic 135m observation wheel on the South Bank. 3.5 million visitors annually.
🏰
Tower of London
20mi ↑ SE
▾
UNESCO World Heritage. Crown Jewels, Beefeaters, 1,000 years of history. London's most visited paid attraction.
🌳 Nature & Countryside
🌳
Brookmans Park
3mi ↑ N
▾
Village with golf course and green belt walks. Gobions Wood nature reserve nearby.
🐕 Dog Walks & Country Parks
🐕
Trent Park
5mi ↑ SE
▾
400-acre country park in Enfield. Former royal hunting ground with lakes, woodland, and open meadows.
🛍️ Shopping
🛍️
Brent Cross Shopping Centre
8mi ↑ SE
▾
Major North London shopping centre. John Lewis, Fenwick. New Brent Cross Town development.
🏙️ Towns & Cities
🏙️
Potters Bar
3mi ↑ N
▾
Hertfordshire commuter town on the edge of London Green Belt.
✈️ Airports & Ports
✈️
Luton Airport
18mi ↑ N
▾
Budget airline hub serving easyJet, Wizz Air, Ryanair. Via M25 then M1 north.
🎓 Universities
🎓
University of Hertfordshire
10mi ↑ N
▾
Hatfield campus with 25,000 students. Open days and graduations drive M25 J23 traffic.
🏥 Major Hospitals
🏥
Barnet Hospital
5mi ↑ SE
▾
NHS hospital serving North London and South Herts.
ℹ️ Service Information
📍 J23 (M25)
📮 EN6 3QQ 📅 Opened 1987 🅿️ 900 car spaces 🧭 51.6934, -0.2218
📋 About South Mimms Services
Major interchange services where the M25 meets the A1(M). One of the busiest service areas in the country serving London orbital and northbound A1 traffic.
View live traffic conditions on the M25 or check if your route is affected before setting off. If you break down near South Mimms Services, use our breakdown assistance to get help fast.
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