21 Gilpin Avenue, Richmond Upon Thames, London, SW14 8QX
About 21 Gilpin Avenue
21 Gilpin Avenue is a four-bedroom semi-detached house in Richmond Upon Thames, London, London (SW14 8QX). It has a recorded floor area of 184 m² (around 1981 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (July 2023) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since January 2022. Between certificates, window efficiency went from Very Poor to Good and lighting went from Good to Very Good; while wall efficiency dropped from Poor to Very Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump.
At 184 m² the property is well over the postcode median (137 m² across 20 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Today's modelled estimate of £1,640,000 is 33.9% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£619/sq ft) was about 15.4% above the typical sold price in the postcode. Last sale on file: £1,225,000 in May 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 21 Gilpin Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- StudyYes
Energy performance
21 Gilpin Avenue'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
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
- Jun 2022ExtensionFullIn report
Extension: Single storey · Rear of property
Proposed single storey rear extension with new lowered patio and fenestration alterations to the side elevation.
- Council
- DC South Team
- Documents
- 13 docs on file
- Reference
- 22/1367/HOT
- May 2022Loft ConversionOutlineIn report
Proposed hip to gable loft conversion with dormer at rear
- Council
- DC South Team
- Documents
- 11 docs on file
- Reference
- 22/1366/PS192
What's in 21 Gilpin Avenue, Richmond Upon Thames, London, SW14 8QX's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,640,000
Modelled from EPC, postcode comparables.
£1,225,000
Recorded with HM Land Registry.
Sales timeline
3 May 2022Most recent
£1,225,000
Median price across the last 5 sales in SW14 8QX: £1,515,000 (2024–2021).
Nearby sales in SW14 8QX
37 Gilpin Avenue, Richmond Upon Thames, London, SW14 8QX
Sold Oct 2024
£1,450,00023 Gilpin Avenue, Richmond Upon Thames, London, SW14 8QX
Sold Aug 2024
£1,585,00063 Gilpin Avenue, Richmond Upon Thames, London, SW14 8QX
Sold Apr 2024
£450,00019 Gilpin Avenue, Richmond Upon Thames, London, SW14 8QX
Sold Oct 2021
£1,575,00031 Gilpin Avenue, Richmond Upon Thames, London, SW14 8QX
Sold Sept 2021
£1,515,000
Everything we know about 21 Gilpin Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Gilpin Avenue homes
Years Held for 21 Gilpin Avenue lags the street by a wide margin.
Price per m²
£6,658
Street avg £7,160
Floor Area
184 m²
Street avg 153 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
8.0 t/year
Street avg 7.4 t/year
Similar properties nearby
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SW14 8SP
1 Grosvenor Avenue, Richmond Upon Thames
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1 East Sheen Avenue, Richmond Upon Thames
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1 Buxton Road, Richmond Upon Thames
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1 Fitzgerald Avenue, Richmond Upon Thames
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1 Gordon Avenue, Richmond Upon Thames
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1 Avenue Gardens, Richmond Upon Thames
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Kings Road (SW14) — bus stop.
Closest school
0.2 km
Lift Richmond Park. 36 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
51.2dB

Night-time· 23:00 – 07:00
41.0dB