9a, Denmark Street, Diss, IP22 4LE
About 9a
9a is a three-bedroom detached house in Diss (IP22 4LE). It has a recorded floor area of 175 m² (around 1884 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (July 2017) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in August 2013 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good and hot-water efficiency went from Average to Good; while roof efficiency dropped from Average to Very Poor and lighting dropped from Poor to Very Poor. The recommended improvements would push it to C (score 75).
At 175 m² the property is well over the postcode median (79 m² across 31 EPCs), placing it in the larger end of the local stock. Across 2004–2018, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £555,000 is 27.3% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£231/sq ft) was about 18.5% above the typical sold price in the postcode. 8 years since the last transfer (February 2018). 3 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 9a
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
What this property has
Inside
- Bedrooms3
- Bathrooms3
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenYes
Energy performance
9a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency improved
Windows upgraded, improving insulation
More low energy lighting installed
Heating controls upgraded for better temperature management
Cavity wall insulation installed
Low energy lighting percentage decreased
Planning history
Planning history at 9a is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
- Jul 2018Tree WorksTreesIn report
Willow - Reduce height by 4.5m to 12m and lateral branch ends radius by 2.5m to 5m
- Documents
- 4 docs on file
- Reference
- 2018/1330
- May 2017Tree WorksTreesIn report
Ash - fell. Cypress - fell.
- Documents
- 7 docs on file
- Reference
- 2017/0838
We flagged 1 thing worth checking at 9a
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
9a valuation sits well clear of the typical sold price in this postcode.
£555,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 14 years.
£436,000
Growth on file: 4.2% per year over 14 years.
Sales timeline
2 February 2018Most recent
£436,000
+28.6%over 4 years24 October 2013
£339,000
+35.6%over 9 years24 June 2004
£250,000
Median price across the last 5 sales in IP22 4LE: £232,500 (2025–2023).
Everything we know about 9a, 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

Versus other Denmark Street homes
9a outperforms the street on habitable rooms by a wide margin.
Price per m²
£2,491
Street avg £2,378
Floor Area
175 m²
Street avg 118 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
7.3 t/year
Street avg 6.4 t/year
Similar properties nearby
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1 Brushmakers Way, Roydon
IP22 4QZ
1 Cotman Close
IP22 4BS
1 Basham Street
IP22 4YY
1 Burton Close
IP22 4YJ
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
1.3 km
Diss Rail Station — railway station.
Closest school
0.4 km
Diss Church of England Junior Academy. 5 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
49.9dB

Night-time· 23:00 – 07:00
40.4dB