Mountain Ash Sold Property Price Summary - September 2026

The average price paid for a property in MOUNTAIN ASH in the last 3 months was £122,901, which is £221,431 lower than the national average.

Detached houses sold for an average of £235,000, which is £247,968 lower than the national average.

Semi-detached houses sold for an average of £145,000, which is £172,287 lower than the national average.

Terraced houses sold for an average of £110,117, which is £159,074 lower than the national average.

Mountain Ash Sold Property Price Details

AddressDateAmountTypeTenure
13, Margaret Street, Mountain Ash, Rhondda Cynon Taff, CF45 4RE (see map)(see history)
26/06/26£100,000Terraced houseFH
52, Pentwyn Avenue, Mountain Ash, Rhondda Cynon Taff, CF45 4YF (see map)(see history)
19/06/26£30,000Terraced houseFH
8, Hamilton Street, Mountain Ash, Rhondda Cynon Taff, CF45 3RH (see map)(see history)
18/06/26£177,500Terraced houseFH
66, Brynifor, Mountain Ash, Rhondda Cynon Taff, CF45 3AB (see map)(see history)
17/06/26£92,500Terraced houseFH
206, Bryntirion, Mountain Ash, Rhondda Cynon Taff, CF45 4EJ (see map)(see history)
12/06/26£80,000Semi-detached houseFH
52, Woodfield Terrace, Mountain Ash, Rhondda Cynon Taff, CF45 3UU (see map)(see history)
12/06/26£82,000Terraced houseFH
15, Cliff Street, Mountain Ash, Rhondda Cynon Taff, CF45 3LE (see map)(see history)
10/06/26£103,000Terraced houseFH
46, Oxford Street, Mountain Ash, Rhondda Cynon Taff, CF45 3HB (see map)(see history)
04/06/26£63,000Flat or maisonetteFH
20, High Street, Mountain Ash, Rhondda Cynon Taff, CF45 3PE (see map)(see history)
04/06/26£75,000Terraced houseFH
41, Church Street, Mountain Ash, Rhondda Cynon Taff, CF45 3YB (see map)(see history)
01/06/26£120,000Terraced houseFH
18, Forest View, Mountain Ash, Rhondda Cynon Taff, CF45 3DU (see map)(see history)
29/05/26£138,000Flat or maisonetteFH
16, Commercial Street, Mountain Ash, Rhondda Cynon Taff, CF45 3PS (see map)(see history)
29/05/26£122,000Terraced houseFH
49, Park Street, Mountain Ash, Rhondda Cynon Taff, CF45 3YW (see map)(see history)
29/05/26£90,000Terraced houseFH
64, Ffordd Y Glowyr, Mountain Ash, Rhondda Cynon Taff, CF45 4FD (see map)(see history)
28/05/26£153,500Terraced houseFH
33, Tyr Felin Street, Mountain Ash, Rhondda Cynon Taff, CF45 3YP (see map)(see history)
27/05/26£95,000Terraced houseFH
33, Dover Street, Mountain Ash, Rhondda Cynon Taff, CF45 3HU (see map)(see history)
22/05/26£115,000Terraced houseFH
31, Gertrude Street, Mountain Ash, Rhondda Cynon Taff, CF45 4RL (see map)(see history)
22/05/26£170,000Terraced houseFH
Thorn Hotel, Mountain Ash Road, Mountain Ash, Rhondda Cynon Taff, CF45 4PR (see map)(see history)
21/05/26£245,000OtherFH
28, Rheola Street, Mountain Ash, Rhondda Cynon Taff, CF45 3TB (see map)(see history)
20/05/26£83,837Terraced houseFH
114, Penrhiwceiber Road, Mountain Ash, Rhondda Cynon Taff, CF45 3SL (see map)(see history)
15/05/26£120,000Semi-detached houseFH
9, Grovers Field, Mountain Ash, Rhondda Cynon Taff, CF45 4PP (see map)(see history)
14/05/26£235,000Detached houseFH
Ty Tenby, 22, Campbell Terrace, Mountain Ash, Rhondda Cynon Taff, CF45 4AE (see map)(see history)
08/05/26£235,000Semi-detached houseFH
10, Park Street, Mountain Ash, Rhondda Cynon Taff, CF45 3YL (see map)(see history)
08/05/26£90,000Terraced houseFH
12, Beckett Street, Mountain Ash, Rhondda Cynon Taff, CF45 4AW (see map)(see history)
08/05/26£150,000Terraced houseFH
17, Homerton Street, Mountain Ash, Rhondda Cynon Taff, CF45 4YP (see map)(see history)
08/05/26£95,000Terraced houseFH
51, Aberdare Road, Mountain Ash, Rhondda Cynon Taff, CF45 4NY (see map)(see history)
08/05/26£150,000Terraced houseFH
34, Penrhiwceiber Road, Mountain Ash, Rhondda Cynon Taff, CF45 3SP (see map)(see history)
07/05/26£108,000Terraced houseFH

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What is the easiest way get an accurate valuation of my home in Mountain Ash?

HM Land Registry data is only available when the conveyancing has been carried out and the post-completion tasks have been carried out by the solicitor.

The Halifax Building Society, one of the UK's largest mortgage lenders, puts out house price data based on mortgage valuations. As this data is based on mortgage valuations rather than registrations, it is a more recent snapshot but is less granular.

Valuing your home

Using the Mountain Ash historical price data above, find similar properties sold in the same street or area.

You should then be able to fine-tune the valuation based on any factors that might affect the value of a house or flat in Mountain Ash, e.g. a large garden or the property's view.

The next step is to obtain a valuation from a Mountain Ash estate agent. Remember that valuations differ considerably, so you should get 3 or 4, ignore very high or low valuations and take an average.

If you need to get a valuation for more specific reasons e.g. insurance purposes, you could instruct a property valuation from a RICS surveyor.

See:

How to accurately value your home in 4 easy steps

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