23 Elm Close, Harrow, HA2 7BT
About 23 Elm Close
23 Elm Close is a three-bedroom semi-detached house in Harrow (HA2 7BT). It has a recorded floor area of 146 m² (around 1572 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (October 2025) shows a C (score 74). When first surveyed in September 2024 the rating was G, the property has climbed 4 bands since. Between certificates, wall efficiency went from Very Poor to Good, window efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Good. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
At 146 m² the property is well over the postcode median (100 m² across 13 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 85% of similar EPCs). Most recent transfer was March 2025 at £560,000 — fresh data. Today's modelled estimate of £782,000 is 39.6% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£356/sq ft) was about 29.4% below the postcode norm. One planning record on file: an extension refused in 2025.
Know exactly what you're buying at 23 Elm Close
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
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- GarageYes
- Cul-de-sacYes
Building
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
High performance glazing installed
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
A a garage conversion application was refused at 23 Elm Close in 2025.
- Jun 2025Garage ConversionFullIn report
Extension: Single storey · Side and rear of property
Conversion of garage to habitable room, Replace garage door with window in front elevation, Single storey side to rear extension, Alterations to garage roof to raise height
Extension- Reference
- PL/1686/25
We flagged 1 thing worth checking at 23 Elm Close
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.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
23 Elm Close valuation sits well clear of the typical sold price in this postcode.
£782,000
Modelled from EPC, postcode comparables.
£560,000
Recorded with HM Land Registry.
Sales timeline
30 March 2025Most recent
£560,000
Median price across the last 5 sales in HA2 7BT: £665,000 (2023–2017).
Everything we know about 23 Elm Close, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
Versus other Elm Close homes
23 Elm Close is notably below the street on years held.
Price per m²
£3,836
Street avg £5,614
Floor Area
146 m²
Street avg 104 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.4 t/year
Similar properties nearby
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
Elm Drive — bus stop.
Closest school
0.5 km
Vaughan Primary School. 37 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
51.1dB
Night-time· 23:00 – 07:00
40.9dB