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12 Portlock Road, Maidenhead, SL6 6DZ

3 planning records
Property type
Mid terrace
Bedrooms
3
Bathrooms
2
Floor area
104 m²
1119 sq ft
Energy rating
C
Score 74
Council tax
Band D
Tenure
Owner Occupied
Overview

About 12 Portlock Road

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

12 Portlock Road is a three-bedroom mid-terrace house in Maidenhead (SL6 6DZ). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (June 2025) shows a C (score 74). When first surveyed in October 2018 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Good to Very Good and hot-water efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 85). The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Period features are noted in the property record. Records show the property has been extended at some point in its history.

Today's modelled estimate of £651,000 sits 97.3% above the 2019 sale of £330,000. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 104 m² it's 22.4% larger than the typical home in the postcode (85 m² median across 38 EPCs). Its energy rating outperforms most of the postcode (better than 76% of similar EPCs). Most recent transfer: January 2019 at £330,000.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms3
  • Bathrooms2
  • EnsuiteYes
  • FireplaceYes

Outside

  • Private gardenYes
  • DrivewayYes

Building

  • Underfloor heatingYes
  • Period featuresYes
  • Previously extendedYes
Before you decide

Everything you need to know about 12 Portlock Road

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

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 2025

EPC Rating

A
B
C
C74
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
2.5 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jun 2025from Oct 2018
EPC improved fromF30toC74
Heating System
Storage HeatersGas Boiler

Replaced storage heaters with gas boiler

Main Fuel
ElectricGas

Connected to mains gas supply

Heating Controls
ManualFull Control

Heating controls upgraded for better temperature management

Hot Water
Immersion (Off-Peak)Main System

Hot water system upgraded

Windows
Mostly DoubleFull Double

Windows upgraded, improving insulation

Walls
Very PoorPoor

Wall insulation improved

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

Low Energy Lighting
56%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 12 Portlock Road, Maidenhead, SL6 6DZ, sourced from the PlanIt planning register.

12 Portlock Road has 2 separate extension applications on the council record.

  1. Jun 2019
    ExtensionOutline
    In report

    Extension: Single storey · Rear of property

    Single storey rear extension no greater than 5.23m in depth, 2.8m high with an eaves height of 2.5m

    Documents
    6 docs on file
    Reference
    19/01247/PDXL
    View planning record
  2. May 2019
    ExtensionFull
    In report

    Extension: Rear of property

    Proposed ground and first floor rear extensions

    Documents
    8 docs on file
    Reference
    19/00642/FULL
    View planning record
Before you offer

We flagged 1 thing worth checking at 12 Portlock Road

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
£14.99

30-day money-back guarantee

Price

Sales history & valuation

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

12 Portlock Road valuation sits well clear of the typical sold price in this postcode.

Current estimate

£651,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2019)

£330,000

Recorded with HM Land Registry.

Sales timeline

  1. 18 January 2019Most recent

    £330,000

Median price across the last 5 sales in SL6 6DZ: £600,000 (2025–2024).

On the street

Versus other Portlock Road homes

Four headline reads against 30 similar houses on this street, drawn from the latest EPC and Land Registry data.

12 Portlock Road outperforms the street on epc rating by a wide margin.

Price per m²

£3,173

Street avg £5,167

Strongly below

Floor Area

104 m²

Street avg 93 m²

Strongly above

Habitable Rooms

5 rooms

Street avg 5 rooms

Above

CO₂ Emissions

2.5 t/year

Street avg 5.0 t/year

Strongly above
Before you decide

Everything you need to know about 12 Portlock Road

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Maidenhead district page.

Crime

5/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Clara Court — bus stop.

Closest school

0.4 km

All Saints Church of England Junior School. 21 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 SL6 6DZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SL6 6DZ

Daytime· 07:00 – 23:00

51.5dB

Low
Night-time road noise heatmap for SL6 6DZ

Night-time· 23:00 – 07:00

41.0dB

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 12 Portlock Road, Maidenhead, SL6 6DZ. Each answer is also embedded as structured data for search engines.