Maisonette Lower, 90 Heath Street, London, NW3 1DP
About Maisonette Lower
Maisonette Lower is a mid-terrace house in London (NW3 1DP). It has a recorded floor area of 243 m² (around 2616 sq ft) and construction records dating it to before 1900. The latest certificate (April 2019) shows a D (score 58), a step below the typical UK home. When first surveyed in June 2009 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Average to Very Good and main heating went from Poor to Good. The recommended improvements would push it to C (score 74).
At 243 m² the property is well over the postcode median (86 m² across 7 EPCs), placing it in the larger end of the local stock. Across 2016–2023, sale prices on this property compounded at 6.3% per year. On a £-per-square-foot basis, the last sale (£1,720/sq ft) was about 75.8% above the typical sold price in the postcode. Most recent transfer: February 2023 at £4,500,000.
Know exactly what you're buying at Maisonette Lower
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
Maisonette Lower'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
Low energy lighting percentage decreased
Heating system upgraded to a more efficient system
Connected to mains gas supply
Hot water system upgraded
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Planning history
Maisonette Lower has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
Maisonette Lower valuation sits well clear of the typical sold price in this postcode.
£4,739,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 7 years.
£4,500,000
Growth on file: 6.3% per year over 7 years.
Sales timeline
13 February 2023Most recent
£4,500,000
+54.2%over 7 years29 January 2016
£2,917,500
Median price across the last 5 sales in NW3 1DP: £870,000 (2021–2009).
Nearby sales in NW3 1DP
Flat A, 94 Heath Street, London, NW3 1DP
Sold Aug 2021
£420,00088 Heath Street, Camden, London, NW3 1DP
Sold Jun 2017
£2,920,000Flat B, 94 Heath Street, Camden, London, NW3 1DP
Sold Dec 2012
£870,00090 Heath Street, Camden, London, NW3 1DP
Sold Jan 2010
£1,650,00094 Heath Street, Camden, London, NW3 1DP
Sold Sept 2009
£495,000
Everything we know about Maisonette Lower, 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?

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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
Hampstead Station — bus stop.
Closest school
0.1 km
New End Primary School. 53 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
52.1dB

Night-time· 23:00 – 07:00
41.7dB