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Get startedTy Cymraeg is a four-bedroom detached house in Pulham St. Mary, Diss, Diss (IP21 4QZ). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (November 2023) shows an E (score 51), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since December 2018. Between certificates, roof efficiency went from Average to Very Good, window efficiency went from Average to Good and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on oil. Other recorded features include notable views.
Today's modelled estimate of £416,000 is 24.2% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£283/sq ft) was about 80.4% above the typical sold price in the postcode. Most recent transfer: February 2020 at £335,000.
Ty Cymraeg's carbon output runs well above what efficient homes in the postcode produce.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£416,000
Modelled from EPC, postcode comparables.
£335,000
Recorded with HM Land Registry.
Price per m² for Ty Cymraeg runs comfortably ahead of the street norm.
Price per m²
£3,045
Street avg £1,979
Floor Area
110 m²
Street avg 125 m²
Habitable Rooms
5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
1/mo
Steady year-on-year across the wider district.
Closest school
1.4 km

Daytime· 07:00 – 23:00
45.4dB

Changes detected from historical EPC data
Window efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
28 February 2020Most recent
£335,000
Median price across the last 5 sales in IP21 4QZ: £281,000 (2025–2019).
Rose Villa North Green Road Pulham St Mary Diss
Sold Aug 2025
Carousel North Green Road Pulham St Mary Diss
Sold Mar 2023
2 Millward Cottages North Green Road Pulham St Mary Diss
Sold Feb 2021
3 Millward Cottages North Green Road Pulham St Mary Diss
Sold Oct 2020
Tara North Green Road Pulham St Mary Diss
Sold May 2019
Street avg 6 rooms
CO₂ Emissions
6.8 t/year
Street avg 7.8 t/year
IP21 4RR
Pulham Church of England Primary Academy. 1 school nearby.
Night-time· 23:00 – 07:00
37.0dB
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