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Boundary House, Lady Margaret Road, Ascot, SL5 9QH

EPC B4 sales on record6 planning records
Property type
Detached
Bedrooms
6
Bathrooms
4
Floor area
725 m²
7804 sq ft
Energy rating
B
Score 88
Council tax
Band H
Overview

About Boundary House

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

Boundary House is a six-bedroom detached house in Ascot (SL5 9QH). It has a recorded floor area of 725 m² (around 7804 sq ft), construction records dating it to 1950-1966 and council tax band H. The latest certificate (October 2015) returns a high B (score 88), putting the home a stone's throw from an A rating. When first surveyed in May 2013 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Very Good, window efficiency went from Average to Very Good and hot-water efficiency went from Poor to Good. The latest certificate is from October 2015, so improvements made since then won't be reflected. Other recorded features include a balcony.

Across 2002–2020, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £2,995,000 is 22.7% below the 2020 sale of £3,875,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£497/sq ft) was about 19% above the typical sold price in the postcode. At 725 m² the property is well over the postcode median (142 m² across 34 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 76% of similar EPCs). Most recent transfer: January 2020 at £3,875,000. Across the public record there are 4 sales, relatively high churn for a single property. 6 planning records sit against the property, 5 approved, 1 refused.

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

  • Bedrooms6
  • Bathrooms4
  • Open-plan layoutYes
  • Dining roomYes
  • EnsuiteYes

Outside

  • Private gardenWest-facing
  • GarageYes
  • BalconyYes

Building

  • Heating systemElectric
Before you decide

Everything you need to know about Boundary House

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.

Boundary House's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 12 Oct 2025

Current Certificate(1 of 2)
Oct 2015

EPC Rating

A
B
B88
C
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Good
CO2 Emissions
7.5 t/year
Occupancy

Property Improvements

Changes detected from historical EPC data

Oct 2015from May 2013
EPC improved fromE51toB88
Heating Controls
FullFull Control

Heating controls upgraded for better temperature management

Hot Water
Main (No Stat)Main System

Hot water system upgraded

Windows
Full DoubleHigh Performance

High performance glazing installed

Wall Insulation
UninsulatedInsulated Cavity

Cavity wall insulation installed

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

Planning

Planning history

Applications and permits filed against Boundary House, Lady Margaret Road, Ascot, SL5 9QH, sourced from the PlanIt planning register.

Boundary House has been through 5 approved planning applications — a well-evolved property.

  1. Nov 2014
    Conditions
    In report

    Details required by condition 2 (materials) of planing permission 14/02276 for the erection of dwelling and associated works following demolition of existing buildings

    Documents
    4 docs on file
    Reference
    14/03372/CONDIT
    View planning record
  2. Sept 2014
    Demolition And RebuildFull
    In report

    Erection of dwelling and associated works following demolition of existing buildings. Amendment to planning permission 13/03726

    Documents
    14 docs on file
    Reference
    14/02276/FULL
    View planning record
Before you offer

We flagged 1 thing worth checking at Boundary House

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.

Latest sale on Boundary House was the highest on Land Registry record across the postcode.

Current estimate

£2,995,000

Modelled from EPC, postcode comparables and a sale-price growth of 8.5% per year over 17 years.

See how we calculated this
Last sold (2020)

£3,875,000

Growth on file: 8.5% per year over 17 years.

Sales timeline

  1. 7 January 2020Most recent

    £3,875,000

    +159.2%over 12 years
  2. 30 November 2007

    £1,495,000

    +30.0%over 1 year
  3. 30 November 2005

    £1,150,000

    +21.1%over 3 years
  4. 5 November 2002

    £950,000

Median price across the last 5 sales in SL5 9QH: £1,165,000 (2025–2022).

On the street

Versus other Lady Margaret Road homes

Four headline reads against 13 similar houses on this street, drawn from the latest EPC and Land Registry data.

Floor Area for Boundary House runs comfortably ahead of the street norm.

Price per m²

£5,345

Street avg £5,360

On par

Floor Area

725 m²

Street avg 369 m²

Strongly above

CO₂ Emissions

7.5 t/year

Street avg 9.3 t/year

Above

Years Held

6 years

Street avg 14 years

Below
Before you decide

Everything you need to know about Boundary House

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 Ascot district page.

Rail-style transport is unusually close for this postcode.

Crime

6/mo

Steady year-on-year across the wider district.

Nearest stop

0.2 km

Charters Road — bus stop.

Closest school

0.9 km

Holy Trinity CofE Primary School, Sunningdale. 5 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 SL5 9QH from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SL5 9QH

Daytime· 07:00 – 23:00

49.9dB

Low
Night-time road noise heatmap for SL5 9QH

Night-time· 23:00 – 07:00

41.1dB

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 Boundary House, Lady Margaret Road, Ascot, SL5 9QH. Each answer is also embedded as structured data for search engines.