Houses to rent in Old St. Mellons, CF3, Cardiff

There are 57 results for Old St. Mellons, CF3, Cardiff. Rental prices in Old St. Mellons, CF3 range from £950 pcm to £2k pcm with an average price of £1.5k pcm.


Properties to rent in Old St. Mellons, CF3, Cardiff

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Properties to rent near Old St. Mellons, CF3

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Rental market in Old St. Mellons

Average rent £1,583 pcm typical £1,650 pcm
Most rents £1,075 – £1,900 pcm leaving out the extremes
Homes to rent 9 available now
New to rent 10 in the last 30 days
Typical time to let 4 weeks last 12 months
Rents, year on year +11.1% homes newly listed
Gross rental yield 6.9% typical rent vs sold price

What's to rent

11 homes · share, count and typical rent
Detached houses 36.4% 4 · £1.7k
Flats and apartments 18.2% 2 · £1.1k
Other homes 18.2% 2 · £1.7k
Semi-detached houses 18.2% 2 · £1.6k
Terraced houses 9.1% 1 · £1.4k

How many bedrooms

share, count and typical rent
2 bedrooms 18.2% 2 · £1.1k
3 bedrooms 54.5% 6 · £1.7k
4 bedrooms 27.3% 3 · £1.8k

Rent bands

11 homes
Under £1,400 pcm 18.2% 2
£1,400 – £1,600 pcm 18.2% 2
£1,600 – £1,700 pcm 18.2% 2
£1,700 – £1,800 pcm 27.3% 3
£1,800 pcm and over 18.2% 2

Asking rents over time

typical rent of the homes first listed each quarter · +7.1% since 2024 Q4 Median rent per quarter in Old St. Mellons 2024 Q4: £1,400 pcm (18 new listings) £1,400 pcm 2024 Q4 2025 Q1: £1,200 pcm (27 new listings) £1,200 pcm 2025 Q1 2025 Q2: £1,300 pcm (17 new listings) £1,300 pcm 2025 Q2 2025 Q3: £1,320 pcm (24 new listings) £1,320 pcm 2025 Q3 2025 Q4: £1,350 pcm (15 new listings) £1,350 pcm 2025 Q4 2026 Q1: £1,500 pcm (14 new listings) £1,500 pcm 2026 Q1 2026 Q2: £1,450 pcm (20 new listings) £1,450 pcm 2026 Q2 2026 Q3: £1,500 pcm (19 new listings) £1,500 pcm 2026 Q3

Rents in and around Old St. Mellons

typical rent, cheapest first
  1. Pentwyn £1,225 pcm
  2. Old St. Mellons £1,650 pcm
  3. Roath £1,758 pcm

Based on 11 homes to rent on Houses now, 74 listings that left the market in the last 12 months, the asking rents of the homes listed over the last two years. Sold prices: HM Land Registry Price Paid Data, Sep 2025 to Aug 2026 (Crown copyright). Schools: Ofsted. Updated October 2026.

Frequently asked questions about renting in Old St. Mellons

What is the average rent in Old St. Mellons?

The average rent for a home in Old St. Mellons is £1,585 a month. A typical home, the one in the middle of the range, is £1,650 a month. This is based on the 11 homes to rent on Houses right now.

What is the price range of rental homes in Old St. Mellons?

Most rents in Old St. Mellons are between £1,075 and £1,900 a month, leaving out the very cheapest and most expensive. One in five rents for less than £1,400 a month, and one in five £1,800 a month or more.

How many homes are available to rent in Old St. Mellons?

There are 9 homes to rent in Old St. Mellons on Houses right now. 10 new listings came onto the market in the last 30 days.

Are rents going up in Old St. Mellons?

Yes. Homes put up to rent in Old St. Mellons over the last 12 months were advertised at a typical £1,400 a month, 11% higher than the year before (£1,260 a month). By size, 3-bedroom homes are down 3%.

How quickly do rental homes let in Old St. Mellons?

Most rental homes are let or taken off the market within about 4 weeks. About 58% go within the first month. Houses go faster, in about 3 weeks against about 4 weeks for flats.

What rental yield can I get in Old St. Mellons?

Around 6.9% gross. That compares a typical rent of £1,650 a month with a typical sold price of £287,000. Running costs, voids and mortgage interest are not taken off.

What type of homes can I rent in Old St. Mellons?

Detached houses are the most common, about 4 in 10 homes to rent in Old St. Mellons. Flats and apartments come next, followed by semi-detached houses.

Where is it cheaper to rent near Old St. Mellons?

Of the areas around Old St. Mellons, Pentwyn is the cheapest, with a typical rent of £1,225 a month, followed by Roath (£1,760 a month). Old St. Mellons itself is £1,650 a month.