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Get startedRosebrook Cottage is a three-bedroom detached house in Brockdish, Diss, Diss (IP21 4JP). It has a recorded floor area of 122 m² (around 1313 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2023) shows a C (score 70). When first surveyed in July 2012 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 86). Period features are noted in the property record.
Sale prices here have outpaced England HPI: 4.6% per year against 0.1% for the wider region. On a £-per-square-foot basis, the last sale (£316/sq ft) was about 66% above the typical sold price in the postcode. A recent sale: £415,000 in September 2025. 2 planning records sit against the property, 0 approved, 0 refused. At 122 m² it's 20.8% smaller than the typical home in the postcode (154 m² median across 12 EPCs).
Planning history at Rosebrook Cottage is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
T1 Pear - Fell T2 Elder - Reduce from 4.5m to 1.8m T3 Pine - Fell
Sale price has grown by over 3x since 1999.
£417,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 26 years.
£415,000
Growth on file: 4.6% per year over 26 years.
Rosebrook Cottage is notably below the street on years held.
Price per m²
£3,402
Street avg £2,549
Floor Area
122 m²
Street avg 143 m²
Habitable Rooms
5 rooms
Street avg 6 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.
Nearest stop
1.6 km
Pillar Box — bus stop.

Daytime· 07:00 – 23:00
47.2dB

Changes detected from historical EPC data
Hot water system changed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Solar PV panels (30 kWp) installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Removal of a Eucalyptus tree
12 September 2025Most recent
£415,000
+33.9%over 9 years17 December 2015
£310,000
+138.5%over 16 years3 September 1999
£130,000
Median price across the last 5 sales in IP21 4JP: £412,500 (2025–2021).
CO₂ Emissions
4.6 t/year
Street avg 7.2 t/year
IP21 4XH
Night-time· 23:00 – 07:00
39.9dB
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