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Get started138 The Mall, Harrow, HA3 9TG
1 planning record
About 138 The Mall
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
138 The Mall is a semi-detached house in Harrow (HA3 9TG). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1930-1949 and council tax band C. At 38 m² this is the smallest unit on EPC record across the building (38–152 m²). The building's EPC ratings span F to C across 21 units on file. The latest certificate (June 2020) shows a D (score 61), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2020); the latest reading is one band lower.
Held since October 2005 — that's 21 years off the open market, well above the local norm. Sale prices here have outpaced Harrow HPI: 9.3% per year against 0% for the wider region. Today's modelled estimate of £429,000 is 36.2% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£770/sq ft) was about 194.3% above the typical sold price in the postcode. At 38 m² it sits well below the postcode median (90 m² across 20 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Jun 2020
EPC Rating
A
B
C
D
D61
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.4 t/year
Occupancy
Rented
Planning history
Applications and permits filed against 138 The Mall, Harrow, HA3 9TG, sourced from the PlanIt planning register.
138 The Mall has an approved single-storey rear extension on the planning record.
- Feb 2022ExtensionOutlineRefused
Extension: Single storey · Rear of property
Prior approval for a single storey rear extension to dwellinghouse, in metres: Extending beyond the rear wall of the original house - 6m Maximum height - 3m Eaves height - 3m
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
138 The Mall valuation sits well clear of the typical sold price in this postcode.
Current estimate
See how we calculated this£429,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.3% per year over 3 years.
Last sold (2005)
£315,000
Growth on file: 9.3% per year over 3 years.
Sales timeline
Full property reportLaunch offer · 33% off
The complete analysis of 138 The Mall, Harrow, HA3 9TG
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Harrow district page.
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Lyndsey Park — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around HA3 9TG from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
53.0dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 75 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 138 The Mall, Harrow, HA3 9TG. Each answer is also embedded as structured data for search engines.