Penllyn has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 14 Feb 2020.

The property is not connected to mains gas and has partial secondary glazing. It is heated using ground source heat pump (radiators, electric).

According to the Land Registry and our network of Estate Agents, there have been 45 sales of properties similar to Penllyn within a radius of 3.4 kilometres since 2014.

The most recent example is 1 Bryn Y Don, Bangor Road, Tyn-Y-Gongl, LL74 8TG, a freehold house which sold for £225,000 on the 2nd April 2026.

Read more about house prices in LL76.

• Sold Apr 2026£225,000 | 4 Bed House1 Bryn Y Don, Bangor Road, Tyn-Y-Gongl, LL74 8TG1 Bryn Y Don, Bangor Road, Tyn-Y-Gongl, LL74 8TG
• Sold Aug 2025£482,500 | 3 Bed HouseEdelweiss, Ffordd Cynlas, Tyn-Y-Gongl, LL74 8SPEdelweiss, Ffordd Cynlas, Tyn-Y-Gongl, LL74 8SP
• Sold Dec 2024£475,000 | 4 Bed House68B, Bay View Road, Tyn-Y-Gongl, LL74 8TU68B, Bay View Road, Tyn-Y-Gongl, LL74 8TU
• Sold Apr 2024£335,000 | 4 Bed HouseTy'R Ysgol, Tyn-Y-Gongl, LL74 8SDTy'R Ysgol, Tyn-Y-Gongl, LL74 8SD
• Sold Dec 2023£505,000 | 3 Bed HouseBryn Coch, Brynteg, LL78 7JHBryn Coch, Brynteg, LL78 7JH
• Sold Oct 2023£535,000 | 3 Bed HouseMin Y Graig, Bangor Road, Tyn-Y-Gongl, LL74 8TGMin Y Graig, Bangor Road, Tyn-Y-Gongl, LL74 8TG
• Sold Sep 2022£330,000 | 3 Bed House1, Pant Y Briallu, Tyn-Y-Gongl, LL74 8AB1, Pant Y Briallu, Tyn-Y-Gongl, LL74 8AB
• Sold Apr 2021£264,000 | 3 Bed HouseTy Fenni, Ffordd Cynlas, Tyn-Y-Gongl, LL74 8SPTy Fenni, Ffordd Cynlas, Tyn-Y-Gongl, LL74 8SP
• Sold Mar 2021£450,000 | 3 Bed HouseTraeth Arian, Lon Pant Y Cudyn, Tyn-Y-Gongl, LL74 8UFTraeth Arian, Lon Pant Y Cudyn, Tyn-Y-Gongl, LL74 8UF
• Sold Jan 2021£220,000 | 3 Bed HouseLagunillas, Bangor Road, Tyn-Y-Gongl, LL74 8TGLagunillas, Bangor Road, Tyn-Y-Gongl, LL74 8TG
• Sold Oct 2020£250,000 | 4 Bed House27, Lon Twrcelyn, Tyn-Y-Gongl, LL74 8RN27, Lon Twrcelyn, Tyn-Y-Gongl, LL74 8RN
• Sold Sep 2020£292,500 | 3 Bed HouseSwn Y Mor, Ffordd Cynlas, Tyn-Y-Gongl, LL74 8SPSwn Y Mor, Ffordd Cynlas, Tyn-Y-Gongl, LL74 8SP
• Sold Feb 2020£297,500 | 4 Bed HousePenycwm, Tyn-Y-Gongl, LL74 8RGPenycwm, Tyn-Y-Gongl, LL74 8RG
• Sold Jan 2020£255,000 | 4 Bed HouseYonda, Ffordd Cynlas, Tyn-Y-Gongl, LL74 8SPYonda, Ffordd Cynlas, Tyn-Y-Gongl, LL74 8SP
• Sold Feb 2019£220,000 | 4 Bed House85, Bay View Road, Tyn-Y-Gongl, LL74 8TU85, Bay View Road, Tyn-Y-Gongl, LL74 8TU
• Sold May 2018£285,000 | 4 Bed HouseCynlas, Ffordd Cynlas, Tyn-Y-Gongl, LL74 8SPCynlas, Ffordd Cynlas, Tyn-Y-Gongl, LL74 8SP
• Sold Jun 2017£312,500 | 3 Bed HouseErw Newydd, Tyn-Y-Gongl, LL74 8NRErw Newydd, Tyn-Y-Gongl, LL74 8NR
• Sold May 2016£252,950 | 3 Bed House6, Pant Y Briallu, Tyn-Y-Gongl, LL74 8AB6, Pant Y Briallu, Tyn-Y-Gongl, LL74 8AB
• Sold May 2015£255,000 | 4 Bed HousePengarreg, Llangefni, LL77 7UUPengarreg, Llangefni, LL77 7UU
• Sold Apr 2014£291,250 | 3 Bed HouseBryn Du, Llanbedrgoch, LL76 8NXBryn Du, Llanbedrgoch, LL76 8NX

Llanbedrgoch, LL76 has a total of 121 addresses. According to our analysis of all the public data, Penllyn is the 73rd largest and the 34th most expensive property on the street.

When compared to the postcode district it is £139k more expensive than the average property in LL76.

• Llanfairpwll

  |

  9.1 km away
• Bangor (Gwynedd)

  |

  11.6 km away
• Bodorgan

  |

  15.1 km away

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