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1 Merlins Avenue, Harrow, HA2 9ET

3 sales on record4 planning records
Property type
End terrace
Habitable rooms
5
From EPC
Floor area
172 m²
1851 sq ft
Energy rating
C
Score 72
Council tax
Band E
Tenure
Owner Occupied
Overview

About 1 Merlins Avenue

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

1 Merlins Avenue is an end-of-terrace house in Harrow (HA2 9ET). It has a recorded floor area of 172 m² (around 1851 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (February 2026) shows a C (score 72). When first surveyed in May 2011 the rating was G, the property has climbed 4 bands since. Between certificates, roof efficiency went from Poor to Good, hot-water efficiency went from Average to Good and lighting went from Average to Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 84). This certificate was lodged in the last six months, so the rating reflects current condition.

At 172 m² the property is well over the postcode median (80 m² across 15 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). 4 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a porch and subdivision, meaningful when judging how the property has evolved. Across 2011–2016, sale prices on this property compounded at 16.8% per year. Today's modelled estimate of £540,000 is 11.3% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£262/sq ft) was about 16.3% below the postcode norm. Last sold in August 2016, so it's been off the market for around 10 years.

Before you offer

Know exactly what you're buying at 1 Merlins Avenue

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

The EPC has just been inspected, so the rating reflects current condition.

Current Certificate(1 of 4)
Feb 2026

EPC Rating

A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Poor
CO2 Emissions
4.6 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Nov 2014from May 2011
Main Fuel
ElectricGas

Connected to mains gas supply

Mar 2021from Nov 2014
EPC improved fromG5toD66
Heating System
Room HeatersGas Boiler

Upgraded to gas central heating

Heating Controls
ThermostatFull

Heating controls upgraded for better temperature management

Hot Water
Gas MultipointMain System

Hot water system upgraded

Windows
AverageGood

Window efficiency improved

Roof Insulation
UninsulatedInsulated

Roof insulation improved

Low Energy Lighting
33%89%

More low energy lighting installed

Feb 2026from Mar 2021
EPC improved fromD66toC72
Heating Controls
FullProg + TRVs

Heating controls changed

Planning

Planning history

Applications and permits filed against 1 Merlins Avenue, Harrow, HA2 9ET, sourced from the PlanIt planning register.

Council records show a subdivision application — the property's legal arrangement has been altered.

  1. Feb 2026
    HMOOutline
    In report

    Certificate of Lawful Development (Proposed): Conversion of dwelling into house of multiple occupancy for up to 6 persons (Class C4)

    Reference
    PL/0453/26
    View planning record
  2. Feb 2026
    Conditions
    In report

    Details pursuant to Condition 4 (Surface Water Attenuation and As-Built Foul Drainage) attached to planning permission PL/1745/25 dated 7.1.26 for Retention of a single storey front extension incorporating front porch; part single and part two storey side to rear extension; outbuilding with side access gate; external alterations

    Reference
    PL/0282/26
    View planning record

What's in 1 Merlins Avenue, Harrow, HA2 9ET's planning history?

2 more on this property, plus refusals, disputes and full decisions nearby, in the report.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

1 Merlins Avenue has more than doubled in price since the earliest registered sale in 2011.

Current estimate

£540,000

Modelled from EPC, postcode comparables and a sale-price growth of 16.8% per year over 5 years.

See how we calculated this
Last sold (2016)

£485,000

Growth on file: 16.8% per year over 5 years.

Sales timeline

  1. 3 August 2016Most recent

    £485,000

    +23.4%over 1 year
  2. 19 January 2015

    £393,000

    +80.3%over 3 years
  3. 8 June 2011

    £218,000

Median price across the last 5 sales in HA2 9ET: £478,000 (2021–2012).

Before you offer

Everything we know about 1 Merlins Avenue, 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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Preview of the full property report
On the street

Versus other Merlins Avenue homes

Four headline reads against 15 similar houses on this street, drawn from the latest EPC and Land Registry data.

1 Merlins Avenue outperforms the street on floor area by a wide margin.

Price per m²

£2,820

Street avg £3,981

Strongly below

Floor Area

172 m²

Street avg 87 m²

Strongly above

Habitable Rooms

5 rooms

Street avg 5 rooms

Above

CO₂ Emissions

4.6 t/year

Street avg 3.8 t/year

Below
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.

Reported crime in the wider district is trending notably upward year-on-year.

Crime

6/mo

Rising year-on-year across the wider district.

Nearest stop

0.3 km

Malvern Avenue — bus stop.

Closest school

0.2 km

Heathland School. 37 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around HA2 9ET from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for HA2 9ET

Daytime· 07:00 – 23:00

51.1dB

Low
Night-time road noise heatmap for HA2 9ET

Night-time· 23:00 – 07:00

40.5dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 1 Merlins Avenue, Harrow, HA2 9ET. Each answer is also embedded as structured data for search engines.