17 Redwood Close, St Mellons, Cardiff, CF3 0BX
About 17 Redwood Close
17 Redwood Close is a one-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0BX). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1976-1982 and council tax band A. Tenure is freehold. The latest certificate (May 2022) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 2 certificates since May 2012. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Average to Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 76). Main heating runs on electricity. At 39 m² this is the 7th smallest of 14 units on EPC record in the building, where floor areas span 26–60 m². The building's EPC ratings span F to C across 14 units on file. Our model identifies extension potential, subject to local planning policy.
Most recent transfer was August 2025 at £95,000 — fresh data. Across the public record there are 4 sales, relatively high churn for a single property. Across 2014–2025, sale prices on this property compounded at 3.8% per year. Today's modelled estimate of £113,000 is 18.9% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£226/sq ft) was about 56% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- CloakroomYes
Outside
- ParkingOff street
Building
- TenureFreehold
- RefurbishedYes
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
17 Redwood Close has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
17 Redwood Close valuation sits well clear of the typical sold price in this postcode.
£113,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.8% per year over 12 years.
£95,000
Growth on file: 3.8% per year over 12 years.
Sales timeline
28 August 2025Most recent
£95,000
+3.8%over 2 years13 January 2023
£91,500
+24.5%over 1 year14 July 2021
£73,500
+18.5%over 7 years21 February 2014
£62,000
Median price across the last 5 sales in CF3 0BX: £70,000 (2022–2016).
Nearby sales in CF3 0BX
14 Redwood Close, St Mellons, Cardiff, CF3 0BX
Sold Nov 2022
£70,00011 Redwood Close, St Mellons, Cardiff, CF3 0BX
Sold Jan 2022
£68,0006 Redwood Close, St Mellons, Cardiff, CF3 0BX
Sold Jan 2020
£168,00010 Redwood Close, St Mellons, Cardiff, CF3 0BX
Sold Jun 2017
£137,00015 Redwood Close, St Mellons, Cardiff, CF3 0BX
Sold Feb 2016
£50,000
Versus other Redwood Close homes
On years held, 17 Redwood Close runs well behind the street norm.
Price per m²
£2,436
Street avg £1,666
Floor Area
39 m²
Street avg 33 m²
Habitable Rooms
2 rooms
Street avg 1 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.7 t/year
Similar properties nearby
1 Aspen Close, St Mellons
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1 Caraway Close, St Mellons
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1 Aster Close, St Mellons
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1 Chartley Close, St Mellons
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1 Broadlands Court, St Mellons
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Llaneirwg Way — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







