Estimated value today£119klast sold £65,000, 2010 · likely £109k–£130k
Energy ratingE2009 certificate, could be C
Energy bills, a year£1,900about £158 a month at 2026 prices
Price per m²£1,454/m²neighbourhood typical £1,440/m²
See 17, Graig Avenue from the street and the air
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What would improve this home
Its 2009 energy certificate recommends 8 measures, which together could take it from E to C. All of them together typically cost £13.5k–£20.4k.
Cavity wall insulationtypically £500–£1.5k
Hot water cylinder insulationtypically £20–£30
Low energy lightingtypically £40–£40
Better heating controlstypically £350–£450
New condensing boilertypically £2.2k–£3k
Solar water heatingtypically £4k–£6k
Double or triple glazingtypically £1.4k–£1.4k
Solar panels (electricity)typically £5k–£8k
In the order the certificate lists them (usually cheapest and most effective first). Costs are the median of the ranges quoted on certificates across England and Wales, not quotes for this home. Grants may help: check the government's home energy grants service.
What's it worth with your changes?
Sale records can't see extensions, conversions or condition. Tell us what's changed since 2010 and we'll adjust the estimate, with a range that shows how sure we can be.
Low£111k
Likely£119k
High£128k
Starting value (our estimate)£119k
Range includes ±7% for the estimate itself. Effects are typical ranges, not this home's: a surveyor or local agent who sees it will do better. Work done before 2010 is already in the price. Evidence: of 573,662 homes we saw extended on their energy certificates (median +30 m²), the 123,110 that sold before and after grew a median 10.9% more than their neighbourhood: about a third of the extra space at the home's average price per m².
The home
Type
Semi-detached
Tenure
Freehold
Floor area
82 m² (883 sq ft), 5 habitable rooms
Built
1900-1929
Main heating fuel
gas
Sales since 1995
£65k (2010)
The estimate moves the last sale in line with the neighbourhood's like-for-like price index. It can't see extensions, condition or the market for this particular home: it is not a valuation.
From the 2009 energy certificate, rescaled to 2026 gas and electricity prices (approximate national averages). Appliances, cooking and standing charges are not included; actual bills depend on how you live.
Getting about
Nearest station
Cwmbach, 1.3 km (busiest route: Cardiff Central)
Central London
229 km as the crow flies
Commuting by train/Tube
1% of local workers · 16% mostly work from home
Airport
Cardiff, 34 km
Everyday life
A&E
–
Top-rated primaries
none within 2 km
Top-rated secondaries
none within 6 km
Eating out
6 restaurants and cafés, 14 pubs and bars in the neighbourhood
School distances are straight lines; admissions depend on each school's catchment and criteria.
£758 a month for a 3-bedroom home in Rhondda Cynon Taf (2026-08)
Gross yield
7.6% on the estimated value
Letting rules
rated E: lettable today, but likely to need upgrading for the planned C minimum
Council-wide average rents (ONS Price Index of Private Rents); bedrooms estimated from the certificate's habitable rooms. Before costs, voids, tax and mortgage interest.
Planning and development
Conservation area
not in one (postcode check)
Article 4 direction
none recorded
Brownfield sites in the neighbourhood
none on the register
This home extended?
no extension seen on its energy certificates
Extensions on the street
1 other home on Graig Avenue (within 250 m) extended, most recently 2016
Company landlords
3.7% of homes in the neighbourhood are owned by companies (HM Land Registry, Oct 2026)
New homes completed 2021–2025
142 in the neighbourhood
Questions to raise
Generated from the facts above, as prompts for your solicitor, surveyor or the agent. Not legal advice.
Energy rating EExpect higher bills and, if you plan to let it, work may be needed: rented homes must reach at least E today and the government plans C. The certificate says it could reach C.
Old energy certificateThe latest certificate we matched is from 2009; certificates last 10 years. The seller needs a current one, and it may differ.
Older home (built 1900-1929)Consider a full building survey (RICS Level 3) rather than a basic one: older homes more often have damp, roof, wiring, drainage or structural movement issues, and past alterations may predate building regulations.
Estimate is far from the last saleA lot has changed since it last sold, or the home has been extended or renovated. Rely on comparable recent sales and the survey.
For every purchaseCommission a survey suited to the home's age and condition, check the title plan matches what you see on the ground (boundaries, access, parking), and ask about disputes with neighbours, rights of way and shared drives.