21 High Green, Great Ayton, Middlesbrough, TS9 6BJ
About 21 High Green
21 High Green is a semi-detached house in Great Ayton, Middlesbrough, Middlesbrough (TS9 6BJ). It has a recorded floor area of 91 m² (around 980 sq ft) and construction records dating it to 1967-1975. The latest certificate (December 2015) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 69), a 2-band jump. The latest certificate is from December 2015, so improvements made since then won't be reflected.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs).
Know exactly what you're buying at 21 High Green
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
21 High Green's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Dec 2025
EPC Rating
Planning history
21 High Green has a listed-building consent on record — alterations to a listed property are tightly controlled.
- Apr 2020Change Of UseFullIn report
Change of use from residential first floor flat to office accommodation
- Documents
- 15 docs on file
- Reference
- 20/00235/FUL
- Mar 2015PorchFullIn report
Extension: Front of property
Alterations to form portico and construction of entrance gate with piers as amended by letter received by Hambleton District Council 6 February 2015.
ListedExtension- Documents
- 10 docs on file
- Reference
- 14/02603/FUL
We flagged 1 thing worth checking at 21 High Green
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
21 High Green has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£198,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in TS9 6BJ: £480,000 (2025–2015).
Nearby sales in TS9 6BJ
6 High Green, Great Ayton, Middlesbrough, TS9 6BJ
Sold Mar 2025
£495,0005a, High Green, Great Ayton, Middlesbrough, TS9 6BJ
Sold Mar 2023
£700,0007 High Green, Great Ayton, Middlesbrough, TS9 6BJ
Sold Sept 2021
£480,0001 High Green, Great Ayton, Middlesbrough, TS9 6BJ
Sold Mar 2021
£308,75016 High Green, Great Ayton, Middlesbrough, TS9 6BJ
Sold Sept 2015
£152,000
Everything we know about 21 High Green, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Great Ayton Green — bus stop.
Closest school
0.6 km
Marwood Church of England Voluntary Controlled Infant School, Great Ayton. 2 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
48.2dB

Night-time· 23:00 – 07:00
38.2dB