20 St Olaves Walk, Merton, London, SW16 5QQ
About 20 St Olaves Walk
20 St Olaves Walk is a mid-terrace house in Merton, London, London (SW16 5QQ). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (February 2018) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 89), a 2-band jump.
One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. Across 2003–2022, sale prices on this property compounded at 5% per year. On a £-per-square-foot basis, the last sale (£586/sq ft) was about 132.1% above the typical sold price in the postcode. Sold October 2022 for £473,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 20 St Olaves Walk
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 1 February 2028
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
20 St Olaves Walk has an approved single-storey rear extension on the planning record.
1 application on record at 20 St Olaves Walk, Merton, London, SW16 5QQ
- Oct 2018ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH THE FOLLOWING DIMENSIONS: EXTENDS BEYOND THE REAR WALL OF THE ORIGINAL DWELLINGHOUSE BY 3.5 METRES THE MAXIMUM HEIGHT OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 3.7 METRES THE HEIGHT OF THE EAVES OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 2.4 METRES
- Documents
- 11 docs on file
- Reference
- 18/P3286
Unlock 20 St Olaves Walk, Merton, London, SW16 5QQ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 42 notable nearby
- The 11 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
20 St Olaves Walk has more than doubled in price since the earliest registered sale in 2003.
£471,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 20 years.
£473,000
Growth on file: 5.0% per year over 20 years.
Sales timeline
9 October 2022Most recent
£473,000
+158.5%over 19 years21 March 2003
£183,000
Median price across the last 5 sales in SW16 5QQ: £475,000 (2025–2021).
Nearby sales in SW16 5QQ
40 St Olaves Walk, Merton, London, SW16 5QQ
Sold Nov 2025
£450,00018 St Olaves Walk, Merton, London, SW16 5QQ
Sold Dec 2024
£507,00029 St Olaves Walk, Merton, London, SW16 5QQ
Sold Jun 2022
£455,7503 St Olaves Walk, Merton, London, SW16 5QQ
Sold May 2021
£475,00022 St Olaves Walk, Merton, London, SW16 5QQ
Sold Feb 2021
£487,000
Versus other St Olaves Walk homes
Price per m² for 20 St Olaves Walk runs comfortably ahead of the street norm.
Price per m²
£6,307
Street avg £3,968
Floor Area
75 m²
Street avg 90 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.9 t/year
Everything you need to know about 20 St Olaves Walk
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
524/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Stanford Way — bus stop.
Closest school
0.6 km
Harris Primary Academy Merton. 52 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
49.3dB

Night-time· 23:00 – 07:00
39.9dB






