😐Monthly costs for one person with rent: $3,892 in London versus $1,988 in Carmarthen.
😐Estimated couple costs with rent: $5,638 in London versus $2,922 in Carmarthen.
😐Monthly costs for a family of three with rent: $7,385 in London versus $3,857 in Carmarthen.
😐Living in London is roughly 96% more expensive than Carmarthen, driven mainly by Getting Around.
📊Both cities are pricier than the global median: London190% above, Carmarthen48% above.
Currency
🍽 Eating Out
London
Carmarthen
Difference
Meal at Budget Restaurant
$26.92£20.05
$20.75£15.46
29.73%
Three-Course Dinner for Two, Mid-Range
$110£81.7
$66.9£49.81
64.04%
Fast Food Meal(McDonalds, etc)
$10.83£8.07
$9.60£7.15
12.81%
Cappuccino
$5.10£3.80
$3.55£2.64
43.66%
Coke/Pepsi/Fanta/Sprite(0.33 liter bottle)
$2.77£2.06
$2.57£1.91
7.78%
Water(0.33 liter bottle)
$1.78£1.33
$1.73£1.29
2.89%
Local Beer(0.5 liter draught)
$8.93£6.65
$5.52£4.12
61.78%
Imported Beer(0.33 liter bottle)
$8.03£5.98
$4.86£3.62
65.23%
🛒 Groceries & Markets
London
Carmarthen
Difference
Milk(1 liter)
$1.77£1.32
$1.82£1.35
-2.75%
White Bread(500g)
$2.08£1.55
$1.22£0.91
70.49%
Rice(white)(1kg)
$2.57£1.92
$2.96£2.20
-13.18%
Eggs
$4.75£3.54
$4.90£3.65
-3.06%
Local Cheese(1kg)
$11.16£8.31
$10.60£7.90
5.28%
Chicken Fillets(1kg)
$9.00£6.71
$10.57£7.87
-14.85%
Beef Round Steak(1kg)
$14.83£11.05
$17.68£13.17
-16.12%
Apples(1kg)
$3.33£2.48
$3.68£2.74
-9.51%
Banana(1kg)
$1.96£1.46
$1.04£0.77
88.46%
Oranges(1kg)
$3.25£2.42
$4.63£3.45
-29.81%
Tomato(1kg)
$3.60£2.68
$4.65£3.47
-22.58%
Potato(1kg)
$1.68£1.25
$0.93£0.69
80.65%
Onion(1kg)
$1.87£1.40
$1.64£1.22
14.02%
Lettuce(1 head)
$1.32£0.99
$0.71£0.53
85.92%
Water(1.5 liter bottle)
$1.95£1.45
$0.58£0.43
236.21%
Cigarettes 20 Pack(Marlboro, Camel)
$22.81£17.00
$17.47£13.01
30.57%
Wine(Bottle)
$13.71£10.21
$9.93£7.40
38.07%
Local Beer(0.5 liter bottle)
$3.31£2.47
$2.42£1.80
36.78%
Imported Beer(0.33 liter bottle)
$3.93£2.93
$3.20£2.38
22.81%
🚌 Getting Around
London
Carmarthen
Difference
One-way Ticket(Public Transport)
$3.95£2.95
$4.57£3.40
-13.57%
Public Transport Monthly Pass(Regular Price)
$240£179
$89.2£66.5
169.49%
Taxi Start(Normal Tariff)
$6.04£4.50
$4.00£2.98
51.00%
Taxi(Normal Tariff)(1km)
$3.31£2.46
$1.59£1.18
108.18%
Taxi 1hour Waiting(Normal Tariff)
$40.84£30.43
$26.74£19.92
52.73%
Gasoline(1 liter)
$1.88£1.40
$1.94£1.45
-3.09%
Midsize Hatchback 1.4l(Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$38.9K£29.0K
$39.7K£29.6K
-1.99%
Compact Sedan 1.6l(Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$40.0K£29.8K
$43.3K£32.2K
-7.48%
🧾 Monthly Utilities & Internet
London
Carmarthen
Difference
Utilities for 2 People in 2-bedroom Apartment(Heating, Electricity, Gas, Water, Garbage)(85m2)
$326£243
$358£267
-8.88%
SIM Card Monthly Plan(Calls and 10GB+ Data)
$20.23£15.07
$18.92£14.10
6.92%
Internet(50+ Mbps, Unlimited Data)
$42.59£31.73
$54.5£40.61
-21.87%
🎉 Sport & Entertainment
London
Carmarthen
Difference
Gym Membership(Monthly)
$64.4£47.97
$54.2£40.38
18.80%
Tennis Court(1 Hour on Weekend)
$22.34£16.64
-
-
Cinema Ticket
$20.19£15.04
$6.72£5.00
200.45%
🧸 Childcare & Education
London
Carmarthen
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child(Monthly)
$2,525£1,881
$1,576£1,174
60.23%
International Primary School, 1 Child(Yearly)
$28.0K£20.9K
$16.6K£12.3K
69.00%
👕👟 Clothing & Footwear
London
Carmarthen
Difference
Jeans(Levis 501 Or Similar)
$119£88.8
$85.3£63.5
39.68%
Summer Dress(H&M, Zara, etc)
$49.83£37.12
$29.98£22.33
66.21%
Sport Shoes(Adidas, Nike)
$127£94.6
$91.6£68.2
38.67%
Men's Leather Business Shoes
$159£119
$87.5£65.2
82.14%
🏠 Accommodation & Living
London
Carmarthen
Difference
1-bedroom Apartment, City Center(Monthly)
$3,019£2,249
$824£614
266.40%
1-bedroom Apartment, Outside City Center(Monthly)
$2,274£1,694
$613£457
270.93%
3-bedroom Apartment, City Center(Monthly)
$5,543£4,130
$1,296£966
327.69%
3-bedroom Apartment, Outside City Center(Monthly)
$3,737£2,784
$1,100£819
239.80%
Buy Apartment in City Center(m2)
$19.4K£14.4K
$5,826£4,341
232.86%
Buy Apartment Outside City Center(m2)
$9,516£7,089
-
-
💵 Salaries & Financials
London
Carmarthen
Difference
Average Monthly Net Salary(After Tax)
$4,820£3,591
$1,997£1,488
141.34%
20-Year Fixed Mortgage Interest Rate(Annual %)
5.05
5.9
-14.41%
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for London: May 31, 2026
Last update for Carmarthen: May 31, 2026
Cost Breakdown
🏠A one-bedroom apartment in the center runs $3,019 in London and $824 in Carmarthen. Housing cost is often the main lever when comparing two cities.
💰London pays 141% more on average. The extra income cushions the higher costs, though housing choices and lifestyle decide how much of the gap is truly closed.
🛒Dining out: $110 in London vs $67.0 in Carmarthen for a mid-range dinner for two. Groceries echo the gap at $340 vs $320 per month, with Carmarthen cheaper across the board.
City Median Internet Speeds Comparison (Updated April 2026)
The chart highlights the Precision Threshold for mobile and fixed broadband internet speeds, updated quarterly.
Digital Nomad Cost of Living Index
London vs Carmarthen: Cost of Living - Frequently Asked Questions
Is Carmarthen cheaper than London?
Carmarthen is cheaper overall, especially in Eating Out, Groceries & Markets, Getting Around, Clothing & Footwear, Sport & Entertainment. The 96% gap adds up to real monthly savings that compound significantly over time.
Where can you earn more: London or Carmarthen?
London pays 141% more on average, which matters when comparing affordability. Whether that higher income actually nets you more depends on your spending habits and housing choices.
What is the rent difference between London and Carmarthen?
Rent for a central apartment: $3,019 in London versus $824 in Carmarthen. Housing is usually the single largest factor when comparing overall living costs between the two.
How do food prices compare in London and Carmarthen?
Supermarket bills run roughly 6% higher in London. For households that cook at home regularly, that difference adds up over a month.
Is eating out cheaper in London or Carmarthen?
Dining out is cheaper in Carmarthen – a meal for two runs $67.0 versus $110 in London. If you eat out regularly, this makes a real dent in your monthly spending.
Is $2,500 a realistic budget for London or Carmarthen?
At $1,988 in Carmarthen versus $3,892 in London, a $2,500 budget is realistic in Carmarthen but tight or insufficient in London. The gap between the two cities makes Carmarthen the clear choice for anyone on this budget.
Is London or Carmarthen more family-friendly?
For families, Carmarthen is more practical. Housing and childcare are both notably cheaper than in London, and the savings on those two alone free up budget for education, activities, and family trips.
Which city is easier to live in as a foreigner?
Expats usually find Carmarthen gentler on the wallet – expenses run 96% less than in London. Beyond cost, consider language, visa policies, and how big the international community is in each city.