12 Maryon Mews, Camden, London, NW3 2PU
About 12 Maryon Mews
12 Maryon Mews is a mid-terrace house in Camden, London, London (NW3 2PU). It has a recorded floor area of 184 m² (around 1981 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (March 2025) shows a C (score 77), near the top of the C band. When first surveyed in May 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Poor to Average and window efficiency went from Poor to Good. The recommended improvements would push it to B (score 84).
Across 2014–2018, sale prices on this property compounded at 16% per year. Today's modelled estimate of £2,251,000 is 15.1% below the 2018 sale of £2,650,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£1,338/sq ft) was about 89.8% above the typical sold price in the postcode. At 184 m² the property is well over the postcode median (81 m² across 23 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 6 planning records sit against the property, 5 approved, 1 refused. Past consents include an extension, a conservatory, new windows and a porch, meaningful when judging how the property has evolved. On the market in April 2018 and unlisted since — roughly 8 years.
Know exactly what you're buying at 12 Maryon Mews
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
12 Maryon Mews ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Planning history
12 Maryon Mews has been extended on multiple sides of the property across separate planning applications.
- Jul 2015RenovationFullIn report
Alterations to north easterly roof pitch and installation of 2 x rooflights.
- Reference
- 2015/3030/P
- Apr 2015ExtensionOutlineIn report
Extension: Single storey · Front of property
Erection of single storey front extension to form new access
- Documents
- 2 docs on file
- Reference
- 2015/1935/P
What's in 12 Maryon Mews, Camden, London, NW3 2PU's planning history?
4 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
Latest sale on 12 Maryon Mews was the highest on Land Registry record across the postcode.
£2,251,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.0% per year over 4 years.
£2,650,000
Growth on file: 16.0% per year over 4 years.
Sales timeline
15 April 2018Most recent
£2,650,000
+68.3%over 3 years13 October 2014
£1,575,000
Median price across the last 5 sales in NW3 2PU: £1,158,608 (2022–2017).
Nearby sales in NW3 2PU
18b, Maryon Mews, Camden, London, NW3 2PU
Sold Sept 2022
£2,250,00018a, Maryon Mews, Camden, London, NW3 2PU
Sold Sept 2022
£2,250,0003 Maryon Mews, Camden, London, NW3 2PU
Sold May 2022
£1,150,0006 Maryon Mews, Camden, London, NW3 2PU
Sold Sept 2020
£1,132,00036 Maryon Mews, Camden, London, NW3 2PU
Sold May 2014
£996,000
Everything we know about 12 Maryon Mews, 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 Maryon Mews homes
On epc rating, 12 Maryon Mews stands well clear of the street.
Price per m²
£14,402
Street avg £8,654
Floor Area
184 m²
Street avg 110 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.7 t/year
Similar properties nearby
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NW3 2NS
1 Keats Close, Camden
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1 Eton College Road, Camden
NW3 2BS
1 Mall Studios, Tasker Road, Camden
NW3 2YS
1 Connaught Mews, Pond Street, Camden
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1 Byron Mews, Camden
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
South End Green — bus stop.
Closest school
0.3 km
Rosary Catholic Primary School. 55 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
51.5dB

Night-time· 23:00 – 07:00
41.0dB