11b, Primrose Gardens, London, NW3 4UJ
About 11b
11b is a mid-terrace house in London (NW3 4UJ). It has a recorded floor area of 115 m² (around 1238 sq ft) and construction records dating it to before 1900. At 115 m² this is the 32nd smallest of 35 units on EPC record in the building, where floor areas span 21–174 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2021) shows a C (score 73). When first surveyed in March 2010 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Poor; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 81).
At 115 m² the property is well over the postcode median (60 m² across 54 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved.
Know exactly what you're buying at 11b
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Wall insulation improved
Roof insulation improved
Planning history
11b has an approved single-storey rear extension on the planning record.
- Mar 2021ExtensionFullIn report
Extension: Single storey · Rear of property
Erection of single storey rear extension to lower ground floor to provide additional residential accommodation associated with the existing upper and lower ground floor maisonette
- Documents
- 12 docs on file
- Reference
- 2020/5311/P
We flagged 1 thing worth checking at 11b
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
11b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£1,077,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in NW3 4UJ: £685,000 (2024–2024).
Nearby sales in NW3 4UJ
7 Primrose Gardens, Camden, London, NW3 4UJ
Sold Jul 2024
£1,200,000Flat D, 25 Primrose Gardens, London, NW3 4UJ
Sold Jun 2024
£575,000Flat 1, 17 Primrose Gardens, London, NW3 4UJ
Sold Apr 2024
£730,000Flat B, 25 Primrose Gardens, London, NW3 4UJ
Sold Mar 2024
£685,000Flat C, 25 Primrose Gardens, London, NW3 4UJ
Sold Feb 2024
£685,000
Everything we know about 11b, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Primrose Gardens homes
On floor area, 11b stands well clear of the street.
EPC Rating
73 (C)
Street avg 71 (C)
Floor Area
115 m²
Street avg 75 m²
CO₂ Emissions
3.2 t/year
Street avg 2.5 t/year
Habitable Rooms
5 rooms
Street avg 3 rooms
Similar properties nearby
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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
England's Lane — bus stop.
Closest school
0.6 km
St Paul's Church of England Primary School. 68 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
53.1dB

Night-time· 23:00 – 07:00
42.3dB