Trefonwys, Bangor

House prices, sold prices and local information for LL57 2HU.

Average price (last 12 months)

£385,000

1 sale

Average price (since 2016)

£315,429

7 sales

Price range

£240k – £385k

lowest to highest sale

Last sale

10 Jul 2026

LL57 2HU

At a glance

House prices£315k averageSince 2016 (few recent sales) Crime179 reportedWithin about a mile, latest month Flood riskNo flood warning areasFrom rivers or the sea Nearest station11 min walkBangor (Gwynedd) station Ultrafast broadband100% of homesNational average 80%

7 property sales on Trefonwys, Bangor have been recorded by HM Land Registry since 2016. In the last 12 months 1 home sold here for an average of £385,000. Most sales here are detached homes, which have sold for an average of £315,429.

House prices on Trefonwys compared

LL57 postcode area£216,406

Bangor£216,406

England & Wales£356,718

Average sale price over the last 12 months. Trefonwys has had fewer than two sales in that time, so it is left out. See all LL57 house prices.

Average sale price by year

Prices by property type

Type	Sales	Average price	Last sold
Detached	7	£315,429	10 Jul 2026

Sold prices on Trefonwys

Address	Date	Price	Type	Tenure
30, Trefonwys LL57 2HU	10 Jul 2026	£385,000	Detached	Freehold
6, Trefonwys LL57 2HU	6 Dec 2024	£385,000	Detached	Freehold
9, Trefonwys LL57 2HU	22 May 2023	£330,000	Detached	Freehold
5, Trefonwys LL57 2HU	10 Dec 2021	£330,000	Detached	Freehold
26, Trefonwys LL57 2HU	3 Feb 2021	£278,000	Detached	Freehold
32, Trefonwys LL57 2HU	31 Oct 2018	£260,000	Detached	Freehold
17, Trefonwys LL57 2HU	26 Aug 2016	£240,000	Detached	Freehold

Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.

Buying on Trefonwys?

Crime and flood risk near Trefonwys

Crime

179 crimes were reported within about a mile of Trefonwys in August 2026.

Violence & sexual offences	52
Anti-social behaviour	34
Shoplifting	30
Criminal damage & arson	21
Public order	17
Other theft	7

Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.

Flood risk

Trefonwys is not in or near any Environment Agency flood warning or alert area.

Flood warning areas cover places at risk from rivers and the sea. Surface water risk isn't included. Check the long-term flood risk for a postcode on GOV.UK.

Getting around and local GPs

Train stations

Bangor (Gwynedd) station 0.5 mi · 11 min walk
Llanfairpwll station 2.5 mi · 50 min walk

Nearest bus stops

Coleg Normal (o/s, Holyhead Road) 2 min walk
Swyddfa'r Post Office (after, Ffriddoedd Road) 2 min walk
Coleg Normal (after, Holyhead Road) 3 min walk
Swyddfa'r Post Office (o/s, Ffriddoedd Road) 3 min walk

GP surgeries

Bodnant Surgery
Menai Avenue, Bangor · 0.5 mi
Upcc At Ysbyty Gwynedd
Upcc At Ysbyty Gwynedo, Penrhosgarnedd, Bangor · 1.0 mi
Bron Derw Medical Centre
Glynne Road, Bangor · 1.3 mi
Glanfa
Orme Road, Bangor · 1.3 mi

Sources: Department for Transport (NaPTAN) and NHS England practice data. Walking times are estimates from straight-line distance.

Area profile

Homes

	Here	Eng & Wales
Owned	65.2%	62.5%
Private rented	12.4%	20.3%
Social rented	22.2%	17.1%
Households	693

People

	Here	Eng & Wales
Under 15	16.6%	17.4%
Aged 15–64	63.5%	64.1%
Aged 65+	19.9%	18.6%
Residents	1,676

Broadband

	Here	UK
Superfast (30Mbit+)	100%	95%
Ultrafast (300Mbit+)	100%	80%
Gigabit-capable	100%	80%

Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.

Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.

Nearby streets in LL57

See all streets in Bangor All streets in LL57