Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 145.8p 3% (+4.2p) 7d avg: 143.7p Hold off if you can | Super Unleaded (E5) 163.4p 2.8% (+4.4p) 7d avg: 161.6p Hold off if you can | Diesel (B7) 168.9p 4.6% (+7.4p) 7d avg: 164.9p Hold off if you can | Super Diesel (SDV) 189.7p 4.9% (+8.8p) 7d avg: 185.7p Hold off if you can |
Fuel Price Check Analysis – Week of March 17, 2026 Petrol (E10) 145.8p 3% (+4.2p) 7d avg: 143.7p Hold off if you can | Super Unleaded (E5) 163.4p 2.8% (+4.4p) 7d avg: 161.6p Hold off if you can | Diesel (B7) 168.9p 4.6% (+7.4p) 7d avg: 164.9p Hold off if you can | Super Diesel (SDV) 189.7p 4.9% (+8.8p) 7d avg: 185.7p Hold off if you can |

Today’s Cheapest Petrol and Diesel in Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog: The Full Report

A comprehensive breakdown of fuel prices in the Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog area. We analyze the market data to help you save on your next fill-up.

Jonathan Mathews
Jonathan Mathews
Automotive Data Analyst
10+ years automotive industry
Last Updated Saturday, 21st March 2026 at 12:15
6
Local Stations
27
Brands (LL Area)
4.0p
Max Price Gap
#74
UK Ranking REGION
Key Takeaways
  • Cheapest petrol: 145.9p at BP
  • Potential savings: Up to £2.20 per tank
  • 84 stations tracked across 27 brands

Motorists in Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog are currently paying above-average prices compared to other UK regions. Over the past week, E10 petrol prices in LL have Increased 5p (3.6%)

According to our latest data feed from the Competition and Markets Authority (CMA), selecting the right forecourt in Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog could save you up to 4.0p per litre. For an average 55-litre family car, that's a saving of over £2.20 on a single tank.

Market Competition: Moderate competition

Competition Level: High

Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog has 84 active fuel stations across 27 different brands, with a brand diversity index of 0.32 - indicating healthy market competition.

The price spread between cheapest and average stations is 7.7p, revealing significant price differences - shop around to save!

Today's Best Value

Cheapest E10 Petrol in Pwllheli, Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog:
145.9p at BP, GLANDON SPAR EXPRESS, CAERNARFON TOWN, PWLLHELI

Cheapest B7 Diesel in Pwllheli, Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog:
167.9p at BP, GLANDON SPAR EXPRESS, CAERNARFON TOWN, PWLLHELI

Surprisingly, an independent or branded station (BP) has beaten the supermarkets to the top spot today.

Fuel Type Availability

E10
Unleaded (E10)
Widely available
82 / 84 Stations (97.6%)
E5
Super Unleaded (E5)
Moderate availability
59 / 84 Stations (70.2%)
B7
Diesel (B7)
Widely available
83 / 84 Stations (98.8%)
SDV
Premium Diesel
Moderate availability
38 / 84 Stations (45.2%)

Top 6 cheapest petrol stations (E10)

Here is the verified list of the most affordable places to buy standard Unleaded petrol in Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog today.

PETROL LEADERBOARD Live Data
1
BP
GLANDON SPAR EXPRESS, CAERNARFON TOWN, PWLLHELI , LL53 5LF
145.9p
BEST PRICE
2
ESSAR
LLANBEDROG SERVICE STATION, BEACH RD, PWLLHELI , LL53 7TN
146.9p
+1.0p
3
ESSAR
SIOP PITSTOP, —, PWLLHELI , LL536AP
146.9p
+1.0p
4
PULROSE MOTOR SERVICES LTD, ALA ROAD, PWLLHELI, LL53 5TA, PWLLHELI, GWYNEDD, W , LL53 5TA
147.9p
+2.0p
5
ESSO
O H GRIFFITH & CO, DOLWAR SERVICE STATION, Y FFOR, PWLLHELI, LL53 6UE, PWLLHELI, GWYNEDD, W , LL53 6UE
147.9p
+2.0p
6
W & G Williams
W & G WILLIAMS, THE GARAGE, ABERSOCH, PWLLHELI, LL53 7DR, PWLLHELI, Wales , LL53 7DR
149.9p
+4.0p

Top 6 cheapest diesel stations (B7)

For diesel drivers, the price variance can often be even higher. The following stations are currently offering the best value for B7 Diesel in the Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog area.

DIESEL LEADERBOARD Live Data
1
BP
GLANDON SPAR EXPRESS, CAERNARFON TOWN, PWLLHELI , LL53 5LF
167.9p
BEST PRICE
2
ESSAR
LLANBEDROG SERVICE STATION, BEACH RD, PWLLHELI , LL53 7TN
169.9p
+2.0p
3
ESSAR
SIOP PITSTOP, —, PWLLHELI , LL536AP
169.9p
+2.0p
4
PULROSE MOTOR SERVICES LTD, ALA ROAD, PWLLHELI, LL53 5TA, PWLLHELI, GWYNEDD, W , LL53 5TA
173.9p
+6.0p
5
ESSO
O H GRIFFITH & CO, DOLWAR SERVICE STATION, Y FFOR, PWLLHELI, LL53 6UE, PWLLHELI, GWYNEDD, W , LL53 6UE
173.9p
+6.0p
6
W & G Williams
W & G WILLIAMS, THE GARAGE, ABERSOCH, PWLLHELI, LL53 7DR, PWLLHELI, Wales , LL53 7DR
195.9p
+28.0p

How to save on fuel in Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog

While choosing the cheapest station is the easiest way to save, changing your driving habits can also make a significant difference to your monthly spend.

Drive Smoothly

Aggressive acceleration and heavy braking can increase fuel consumption by up to 40% in stop-and-go traffic around Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog.

Reduce Weight

Carrying an extra 50kg in your boot increases fuel consumption by 1-2%. Clear out unnecessary items.

Market Analyst Commentary
CFP Research Team

"Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog benefits from strong market competition with 27 brands operating across 84 stations. Prices have climbed 5p this week, so filling up sooner rather than later is advisable, while with a 7.7p price gap between cheapest and average stations, careful selection could save £4.24 per tank."

For more detailed savings, explore our Interactive Fuel Map to scan the entire region visually.

Frequently Asked Questions

As of March 21, 2026, the cheapest station is BP at 145.9p per litre.

There is currently a 4.0p difference between the cheapest and most expensive stations in Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog. For a standard family car, this equals a saving of £2.20 per tank.

Not currently. An independent or oil-company brand (BP) is actually cheaper than the local supermarkets today.

Our Analysis Methodology

Data Collection
  • Direct feed from UK Government CMA API
  • Updated every 30 minutes via automated polling
  • Zero user-submitted prices (prevents manipulation)
  • Last sync: 12:42, 21 Mar 2026
Quality Assurance
  • Automated anomaly detection for pricing errors
  • Cross-referenced against regional averages
  • Outliers flagged for manual review
  • Historical data tracked for trend validation
Verified Data Source: All prices displayed on this page are sourced directly from the Competition and Markets Authority's official fuel price transparency scheme. We do not accept payments from retailers to alter rankings or display preferential pricing.
Data Accuracy & Methodology

Source: We retrieve real-time pricing data directly from the UK Government CMA Open Data Scheme.

Frequency: Data for Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog was last synchronized at 12:15 today. We update our database every 4 hours to ensure accuracy.

Disclaimer: While we strive for 100% accuracy, forecourt prices can change instantly. The prices listed above were correct at the time of our last server sync.

Editorial Policy

CheckFuelPrices is independent. We do not accept payment from fuel brands to alter rankings. Read our full policy.

📈 7-Day Price Movement
Petrol (E10) 5p
Was: 141.4p → Now: 146.4p
Diesel (B7) 9p
Was: 161p → Now: 170p

Visualise the Savings

View 12 local stations on our interactive map.

Open Live Map
Popular Brands in Pwllheli, Efailnewydd, Llannor, Abererch, Chwilog, Llithfaen, Nefyn, Pistyll, Plas Gwyn, Y Ffor, Abersoch, Bwlchtocyn, Llanbedrog, Mynytho, Penrhos, Rhydyclafdy, Aberdaron, Boduan, Botwnnog, Edern, Morfa Nefyn, Sarn, Tudweiliog
BP ESSAR ESSO W & G Williams