18a, Red Lion Street, Richmond, TW9 1RW
About 18a
18a is a mid-terrace house in Richmond (TW9 1RW). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to 1930-1949. At 46 m² this is the 4th smallest of 18 units on EPC record in the building, where floor areas span 40–117 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (January 2018) shows a C (score 74). When first surveyed in July 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Very Poor to Good and lighting went from Poor to Very Good.
Across 2018–2024, sale prices on this property compounded at 1.7% per year. On a £-per-square-foot basis, the last sale (£879/sq ft) was about 22.4% above the typical sold price in the postcode. 3 planning records sit against the property, 0 approved, 0 refused. Sold February 2024 for £435,000.
Energy performance
18a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 30 January 2028
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Wall insulation improved
More low energy lighting installed
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Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
3 applications on record at 18a, Red Lion Street, Richmond, TW9 1RW
- Sept 2016SubdivisionFullOutcome in report
Subdivision of existing flat to create an additional unit at same time as filling in the light well on first and second floors.
- Documents
- 15 docs on file
- Reference
- 16/0401/FUL
- More recent applications — locked
- OutlineJun 2018Decision
- OutlineMar 2018Decision
Unlock 18a, Red Lion Street, Richmond, TW9 1RW's full planning history
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- Every decision — granted, refused or withdrawn
- All 3 applications on this property in full, plus 7 notable nearby
- The 33 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
18a saw 3 transfers in just over a decade — high turnover for the postcode.
£424,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.7% per year over 6 years.
£435,000
Growth on file: 1.7% per year over 6 years.
Sales timeline
2 February 2024Most recent
£435,000
-2.2%over 2 years27 June 2021
£445,000
+12.7%over 3 years14 June 2018
£395,000
Median price across the last 5 sales in TW9 1RW: £435,000 (2024–2021).
Nearby sales in TW9 1RW
Versus other Red Lion Street homes
18a outperforms the street on price per m² by a wide margin.
Price per m²
£9,457
Street avg £6,960
Floor Area
46 m²
Street avg 62 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.4 t/year
Street avg 2.8 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
225/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Richmond Bus Station — bus stop.
Closest school
0.6 km
Richmond and Hillcroft Adult and Community College (Rhacc). 37 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
56.8dB

Night-time· 23:00 – 07:00
48.1dB







