According to data from HM Land Registry, Mona, Caernarfon sits on a plot of 133 m².

We have plot size data on 13 out of 22 other houses in the postcode and Mona, Caernarfon sits on the 10th largest plot.

Mona, Caernarfon has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 04 Oct 2017.

The property is not connected to mains gas and has fully double glazed windows. It is heated using electric storage heaters.

According to HM Land Registry, Mona, Caernarfon was last sold on 1st June 2018 for £135,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since June 2018, the market for similar properties has risen by 44.1%.

• Sold Jun 2018£135,000
• Sold Apr 2000£40,000
• Sold Nov 1996£40,000

According to the Land Registry and our network of Estate Agents, there have been 101 sales of properties similar to Mona, Caernarfon within a radius of 2.6 kilometres since 2008.

The most recent example is Llys Llewelyn, Station Road, Caernarfon, LL55 4AG, a freehold house which sold for £158,000 on the 24th October 2025.

Read more about house prices in LL55.

• Sold Oct 2025£158,000 | 3 Bed HouseLlys Llewelyn, Station Road, Caernarfon, LL55 4AGLlys Llewelyn, Station Road, Caernarfon, LL55 4AG
• Sold Jul 2025£192,000 | 3 Bed HouseLlys Arfon, Caernarfon, LL55 4ANLlys Arfon, Caernarfon, LL55 4AN
• Sold Nov 2023£185,000 | 3 Bed House4 Orwig Terrace, Caernarfon, LL55 3NY4 Orwig Terrace, Caernarfon, LL55 3NY
• Sold Jan 2023£442,000 | 4 Bed HouseFoelas, Caernarfon, LL55 4DUFoelas, Caernarfon, LL55 4DU
• Sold Apr 2022£150,000 | 3 Bed HouseTryfan, Caernarfon, LL55 4DLTryfan, Caernarfon, LL55 4DL
• Sold Dec 2021£160,000 | 3 Bed HouseBod Gwynedd, Caernarfon, LL55 4DLBod Gwynedd, Caernarfon, LL55 4DL
• Sold Mar 2021£220,000 | 3 Bed House2 Capel Brynrefail, Caernarfon, LL55 3NR2 Capel Brynrefail, Caernarfon, LL55 3NR
• Sold Feb 2021£170,000 | 3 Bed HouseAfallon, Caernarfon, LL55 4ATAfallon, Caernarfon, LL55 4AT
• Sold Jan 2021£209,950 | 3 Bed House2, Cae Ty Capel, Caernarfon, LL55 4FB2, Cae Ty Capel, Caernarfon, LL55 4FB
• Sold Mar 2020£240,000 | 3 Bed HouseTyn Y Gerddi Uchaf, Caernarfon, LL55 4DHTyn Y Gerddi Uchaf, Caernarfon, LL55 4DH
• Sold Mar 2019£128,000 | 3 Bed House1 Bryn Hyfryd Terrace, Caernarfon, LL55 4DU1 Bryn Hyfryd Terrace, Caernarfon, LL55 4DU
• Sold Nov 2018£109,000 | 3 Bed HouseAwelon, Caernarfon, LL55 4DLAwelon, Caernarfon, LL55 4DL
• Sold Jan 2018£220,000 | 3 Bed HouseTan Y Bryn, Caernarfon, LL55 4DUTan Y Bryn, Caernarfon, LL55 4DU
• Sold Oct 2017£182,000 | 3 Bed House1 Bryn Terrace, Caernarfon, LL55 4DH1 Bryn Terrace, Caernarfon, LL55 4DH
• Sold Sep 2017£155,000 | 3 Bed HouseMelin Fryn, Caernarfon, LL55 3NRMelin Fryn, Caernarfon, LL55 3NR
• Sold Jun 2017£132,500 | 3 Bed HouseGorffwysfa, Caernarfon, LL55 3NRGorffwysfa, Caernarfon, LL55 3NR
• Sold Apr 2016£140,000 | 4 Bed House3, Pool Street, Caernarfon, LL55 4DR3, Pool Street, Caernarfon, LL55 4DR
• Sold Dec 2015£125,000 | 4 Bed House3 Craig Y Don, Caernarfon, LL55 4DP3 Craig Y Don, Caernarfon, LL55 4DP
• Sold Sep 2009£130,000 | 3 Bed HouseBryn Gwynedd, Caernarfon, LL55 4DLBryn Gwynedd, Caernarfon, LL55 4DL
• Sold Feb 2008£231,000 | 3 Bed HouseTanrallt Goch, Allt Goch, Caernarfon, LL55 4DWTanrallt Goch, Allt Goch, Caernarfon, LL55 4DW

Cwm-Y-Glo, Caernarfon, LL55 has a total of 150 addresses. According to our analysis of all the public data, Mona, Caernarfon is the 43rd largest and the 43rd most expensive property on the street.

When compared to the postcode district it is £10k less expensive than the average property in LL55.

• Bangor (Gwynedd)

  |

  9.3 km away
• Llanfairpwll

  |

  9.3 km away
• Llanfairfechan

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  17.9 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.