18a, Flat, Market Hill, Sudbury, CO10 2EA
About 18a
18a is a mid-terrace house in Sudbury (CO10 2EA). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (July 2020) shows a C (score 69), just inside the C band. When first surveyed in October 2009 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Good and lighting went from Poor to Very Good.
Held since November 2005 — that's 21 years off the open market, well above the local norm. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Across 2004–2005, sale prices on this property compounded at 7.8% per year.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
Planning history
18a has multiple listed-building consents on file — alterations need formal heritage approval.
- Dec 2025RenovationHeritageIn report
Application for Listed Building Consent - like-for-like replacement of two existing timber sash windows
ListedNew Windows- Documents
- 14 docs on file
- Reference
- DC/25/04741
- Oct 2025RenovationHeritageIn report
Local listed building consent order- Class B Sash window replacement
ListedNew Windows- Documents
- 2 docs on file
- Reference
- DC/25/04521
What's in 18a, Flat, Market Hill, Sudbury, CO10 2EA's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
18a changed hands twice within eighteen months — unusual for the area.
£534,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.8% per year over 1 year.
£555,000
Growth on file: 7.8% per year over 1 year.
Sales timeline
7 November 2005Most recent
£555,000
+11.4%over 1 year31 May 2004
£498,200
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Post Office — bus stop.
Closest school
0.4 km
St Joseph's Roman Catholic Primary School. 8 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
50.5dB

Night-time· 23:00 – 07:00
41.7dB







