100% FREE

Oldcastle Avenue, Guilsfield, Welshpool

MyStreetCheck free street report: Oldcastle Avenue, Guilsfield, Welshpool · 30 October 2026 · www.mystreetcheck.co.uk/welshpool-powys/oldcastle-avenue/

House prices, sold prices and local information for SY21 9PA.

Average price (last 12 months)
£257,500
6 sales
Average price (since 2018)
£238,028
18 sales
Price range
£183k – £282k
lowest to highest sale
Last sale
22 Jun 2026
SY21 9PA

Free, no sign-up. Other sites charge up to £25.

At a glance

18 property sales on Oldcastle Avenue, Guilsfield, Welshpool have been recorded by HM Land Registry since 2018. In the last 12 months 6 homes sold here for an average of £257,500. Most sales here are detached homes, which have sold for an average of £247,150. Average sale prices rose from £221,500 in 2018 to £253,000 in 2026 (+14%), though averages on a single street can swing with the mix of homes sold. That is 11% above the Welshpool average of £231,279 over the same period. 3 homes here have sold more than once since 2018; 3 of them sold for more the second time. By property type, sales here have been 56% detached, 44% semi-detached. Recorded sale prices on Oldcastle Avenue range from £183,000 to £281,500. Every home sold here was sold freehold. Of 13 streets in Welshpool with at least two sales in the last year, Oldcastle Avenue ranks 5th for average price.

House prices on Oldcastle Avenue compared

Oldcastle Avenue£257,500
SY21 postcode area£231,279
Welshpool£231,279
England & Wales£358,701

Average sale price over the last 12 months. See all SY21 house prices.

Average sale price by year

2018: £221,500 (2 sales)2018£222k2019: £200,000 (1 sales)2019£200k2021: £185,000 (1 sales)2021£185k2022: £252,875 (4 sales)2022£253k2023: £220,000 (1 sales)2023£220k2024: £226,667 (3 sales)2024£227k2025: £280,000 (1 sales)2025£280k2026: £253,000 (5 sales)2026£253k

Tenure: 100% freehold and 0% leasehold across 18 recorded sales.

Prices by property type

TypeSalesAverage priceLast sold
Detached10£247,15022 Jun 2026
Semi-detached8£226,6255 May 2026

Sold prices on Oldcastle Avenue

AddressDatePriceTypeTenure
9, Oldcastle Avenue SY21 9PA 22 Jun 2026£275,000 DetachedFreehold
11, Oldcastle Avenue SY21 9PA 20 May 2026£230,000 DetachedFreehold
5, Oldcastle Avenue SY21 9PA 5 May 2026£275,000 Semi-detachedFreehold
22, Oldcastle Avenue SY21 9PA 16 Apr 2026£255,000 Semi-detachedFreehold
25, Oldcastle Avenue SY21 9PA 28 Jan 2026£230,000 Semi-detachedFreehold
28, Oldcastle Avenue SY21 9PA 28 Nov 2025£280,000 DetachedFreehold
34, Oldcastle Avenue SY21 9PA 9 Aug 2024£220,000 Semi-detachedFreehold
3, Oldcastle Avenue SY21 9PA 25 Mar 2024£230,000 DetachedFreehold
16, Oldcastle Avenue SY21 9PA 12 Feb 2024£230,000 Semi-detachedFreehold
27, Oldcastle Avenue SY21 9PA 6 Jan 2023£220,000 Semi-detachedFreehold
2, Oldcastle Avenue SY21 9PA 16 Dec 2022£230,000 DetachedFreehold
1, Oldcastle Avenue SY21 9PA 21 Oct 2022£260,000 DetachedFreehold
31, Oldcastle Avenue SY21 9PA 30 Aug 2022£281,500 DetachedFreehold
21, Oldcastle Avenue SY21 9PA 12 Aug 2022£240,000 DetachedFreehold
2, Oldcastle Avenue SY21 9PA 29 Jan 2021£185,000 DetachedFreehold
22, Oldcastle Avenue SY21 9PA 9 Sep 2019£200,000 Semi-detachedFreehold
37, Oldcastle Avenue SY21 9PA 14 Dec 2018£260,000 DetachedFreehold
34, Oldcastle Avenue SY21 9PA 8 Nov 2018£183,000 Semi-detachedFreehold

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.

Sale history: homes sold more than once

AddressSalesChange
22, Oldcastle Avenue £200,000 (Sep 2019) → £255,000 (Apr 2026) +28%
over 7 yrs
34, Oldcastle Avenue £183,000 (Nov 2018) → £220,000 (Aug 2024) +20%
over 6 yrs
2, Oldcastle Avenue £185,000 (Jan 2021) → £230,000 (Dec 2022) +24%
over 2 yrs

Buying on Oldcastle Avenue?

Land Transaction Tax calculator

Mortgage calculator

Crime and flood risk near Oldcastle Avenue

Crime

10 crimes were reported within about a mile of Oldcastle Avenue in August 2026.

Violence & sexual offences4
Anti-social behaviour2
Public order2
Criminal damage & arson1
Other theft1

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

Flood risk

Oldcastle Avenue 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, shops and health

Train stations

  • Welshpool station 2.5 mi · 50 min walk

Nearest bus stops

  • Oak Inn (before, B4392) 6 min walk
  • St Aelhaiarn`s Church (opp, B4392) 6 min walk
  • St Aelhaiarn`s Church (o/s, B4392) 6 min walk
  • Oak Inn (after, B4392) 6 min walk

GP surgeries

  • Welshpool Medical Centre
    Salop Road, Welshpool · 2.2 mi

Supermarkets

  • Morrisons Daily Morrisons Daily Welshpool · 1.9 mi
  • Spar PFS EG - OTM - Welshpool · 2.2 mi
  • Aldi Aldi Welshpool · 2.3 mi
  • Morrisons Morrisons Welshpool · 2.4 mi

Dentists

  • Community Dental Clinic · 2.2 mi

Sources: Department for Transport (NaPTAN), NHS England organisation data, and GEOLYTIX Retail Points (open data). Walking times are estimates from straight-line distance.

Area profile

Homes

HereEng & Wales
Owned76.9%62.5%
Private rented17.7%20.3%
Social rented5.4%17.1%
Households1,019

People

HereEng & Wales
Under 1514.1%17.4%
Aged 15–6455.0%64.1%
Aged 65+30.9%18.6%
Residents2,257

Broadband

HereUK
Superfast (30Mbit+)100%95%
Ultrafast (300Mbit+)100%80%
Gigabit-capable100%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.

Mobile signal

HereEng & Wales
4G indoors, all 4 networks73%89%
4G indoors, at least 1 network96%100%
4G outdoors, all 4 networks92%99%
Calls indoors, all 4 networks77%92%

Share of homes across Powys with good coverage (Jul 2025). Signal varies street by street; check your exact address on Ofcom's checker. 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.

Energy ratings and home sizes on Oldcastle Avenue

Loading energy certificates…

Who lives around Oldcastle Avenue

Ethnic group

HerePowys
White97.7%97.7%
Mixed or Multiple ethnic groups1%0.8%
Asian, Asian British or Asian Welsh0.8%0.9%
Other ethnic group0.4%0.3%
Black, Black British, Black Welsh, Caribbean or African0.1%0.2%

Religion

HerePowys
Christian56.5%48.9%
No religion34.3%42%
Not answered8.6%7.2%
Buddhist0.4%0.4%
Hindu0.1%0.2%
Jewish0%0.1%
Muslim0%0.3%
Sikh0%–

Country of birth

HerePowys
Born in the UK96.7%95.2%
Born outside the UK3.3%4.8%

Highest qualification

HerePowys
Level 4 qualifications and above31.1%31.9%
Level 3 qualifications17.9%17%
No qualifications17.3%18.9%
Level 2 qualifications16.5%14.9%
Level 1 and entry level qualifications8.8%8.6%
Apprenticeship5.8%6.1%
Other qualifications2.6%2.6%

General health

HerePowys
Very good health45.6%44.5%
Good health35.7%34.5%
Fair health13.2%15.1%
Bad health4.3%4.5%
Very bad health1.2%1.3%

Cars or vans per household

HerePowys
2 cars or vans in household37.1%31%
1 car or van in household35.5%40.9%
3 or more cars or vans in household17.6%15%
No cars or vans in household9.8%13.1%

Source: Census 2021 (ONS), via Nomis. Percentages of usual residents or households, as recorded in March 2021.

Figures cover the surrounding neighbourhood (Lower Layer Super Output Area, about 1,500 residents). Full demographics of Powys.

Planning and heritage near Oldcastle Avenue

Checking conservation areas, listed buildings and other designations…

Noise, radon and ground hazards

Checking…

Planning applications near Oldcastle Avenue

Recent planning applications around Oldcastle Avenue from the council's planning register. Choose how far to look:

Checking recent planning applications…

Thinking of selling on Oldcastle Avenue?

Get a free valuation

Local estate agents will value your home for free, with no obligation.

What's my home worth?

Get an instant estimate from what you paid and how prices in Powys have moved since.

Estimate my home's value

Council tax here

Powys Band D is £2,352 a year (Band A £1,568). See every band.

Estate agents near Oldcastle Avenue

  • Norman Lloyd 2.2 mi
  • Harry Ray & Co. 2.3 mi
  • Halls 2.3 mi
  • Morris Marshall & Poole 2.3 mi
  • Roger aparry 2.3 mi

Agent locations © OpenStreetMap contributors. More local agents

What's it like living on Oldcastle Avenue?

No reviews yet. Live here, or used to? Be the first to say what it's like.

Write a review of Oldcastle Avenue

Reviews are checked before they appear. Please don't name individuals or include personal details.

Nearby streets in SY21

See all streets in Welshpool All streets in SY21