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21 Frogmore Lane, Long Crendon, Aylesbury, HP18 9DZ

Notable viewsExtendable5 planning records

Estimated value

£915,000

  • Since the 2017 sale (£760,000)+20%
  • Against HP18 9DZ's recent median (£845,000)+8%

Newest record on this page: May 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Detached
Bedrooms
4
Bathrooms
2
Floor area
194 m²
2088 sq ft
Energy rating
E
Score 49
Council tax
Band E
Tenure
Owner Occupied
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£915,000

  • Against its 2017 sale (£760,000)+20%
  • Against HP18 9DZ's recent median (£845,000)+8%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 21 Frogmore Lane is modelled from its 194 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in HP18 9DZ. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    194 m² from the EPC lodged in February 2016

  • Sales of this home

    2 sales recorded, the latest in 2017

  • Recent sales in HP18 9DZ

    5 sales, median £845,000 (2026–2022)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: May 2026Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 of 5 applicationsFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

21 Frogmore Lane has more than tripled in price since its earliest registered sale in 1995.

Sales timeline

  1. 1 June 2017Most recent

    £760,000

    +253.5%over 21 years

  2. 13 September 1995

    £215,000

Median price across the last 5 sales in HP18 9DZ: £845,000 (2026–2022).

Risks

What this page doesn't show

1 potential issue has already been flagged for 21 Frogmore Lane, Long Crendon, Aylesbury, HP18 9DZ. The detail, evidence and what to ask about it are in the Risks Report.
  • Larger development activity nearbyIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 21 Frogmore Lane

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

21 Frogmore Lane is a four-bedroom detached house in Long Crendon, Aylesbury, Aylesbury (HP18 9DZ). It has a recorded floor area of 194 m² (around 2088 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (February 2016) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67). Main heating runs on oil. The latest certificate is from February 2016, so improvements made since then won't be reflected. Other recorded features include a balcony and notable views. Our model identifies extension potential, subject to local planning policy.

At 194 m² the property is well over the postcode median (142 m² across 20 EPCs), placing it in the larger end of the local stock. 5 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Last sold in June 2017, so it's been off the market for around 9 years. Across 1995–2017, sale prices on this property compounded at 6% per year. Today's modelled estimate of £915,000 is 20.4% above the 2017 sale price.

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

  • Bedrooms4
  • Bathrooms2
  • Dining roomYes
  • EnsuiteYes
  • FireplaceYes

Outside

  • Private gardenYes
  • GarageDouble
  • BalconyYes
  • Notable viewsYes

Building

  • Extension potentialPossible
Before you decide

Everything you need to know about 21 Frogmore Lane

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

Larger development activity nearby

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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.

21 Frogmore Lane'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 18 Feb 2026

Current Certificate
Feb 2016

EPC Rating

A
B
C
D
E
E49
F
G
Main Heating
Gas
Main Fuel
Oil
Hot Water
Poor
Windows
Average
CO2 Emissions
11.0 t/year
Occupancy
Owner Occupied

Certificate validity

Expired on 18 February 2026

New assessment needed to sell or let
Planning

Planning history

Applications and permits filed against 21 Frogmore Lane, Long Crendon, Aylesbury, HP18 9DZ, sourced from the PlanIt planning register.

Planning history includes recorded demolition works, indicating a major rebuild phase at this address.

5 applications on record at 21 Frogmore Lane, Long Crendon, Aylesbury, HP18 9DZ

5decisions1extensions50documents2nearby
Flagged:Demolition
  1. Aug 2014
    Tree WorksTrees
    Outcome in report

    Reduce by 30% one Chamaecyparis lawsonia and one Cupressocyparis leylandii tree.

    Documents
    7 docs on file
    Reference
    14/01843/ATC
    Full record in report
  2. More recent applications — locked
  3. RenovationDecision
  4. Tree WorksDecision

+ 2 more applications in the report

Unlock 21 Frogmore Lane, Long Crendon, Aylesbury, HP18 9DZ's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (5 on record)
  • All 5 applications on this property in full, plus 2 notable nearby
  • The 50 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Frogmore Lane homes

Four headline reads against 19 similar houses on this street, drawn from the latest EPC and Land Registry data.

Floor Area for 21 Frogmore Lane runs comfortably ahead of the street norm.

Price per m²

£3,918

Street avg £4,728

Below

Floor Area

194 m²

Street avg 188 m²

Above

Habitable Rooms

7 rooms

Street avg 6 rooms

Above

CO₂ Emissions

11.0 t/year

Street avg 9.8 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 Aylesbury district page.
Full Aylesbury report

Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.

Crime

77/mo

Steady year-on-year across the wider district.

Nearest stop

0.3 km

The Square — bus stop.

Closest school

1.0 km

Long Crendon School. 3 schools nearby.

Nearest schools

  • Long Crendon SchoolPrimary983m
  • St Joseph's Catholic Primary School, ThamePrimary2.7km
  • Lord Williams's SchoolSecondary2.7km

Nearest stops

  • The SquareBus stop303m
  • Bicester RoadBus stop429m
  • Thame RoadBus stop492m
  • Carters LaneBus stop680m

Most reported crime locally

  • Violence & Sexual Offences444 reports48%
  • Other Theft106 reports12%
  • Criminal Damage & Arson88 reports10%
  • Anti-social Behaviour83 reports9%

Go deeper on the local area

A Local Area 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 HP18 9DZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for HP18 9DZ

Daytime· 07:00 – 23:00

45.2dB

Low
Night-time road noise heatmap for HP18 9DZ

Night-time· 23:00 – 07:00

37.5dB

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

Get a survey for this property

Level 3 Building Survey

Mid 20th centuryDetached BungalowEPC ENo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £1,495 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£887k

1 Ashtree Cottages, Thame Road, Chilton

HP18 9LJ

5 bed
£723k

1 Burts Lane, Long Crendon

HP18 9AJ

3 bed2 bath
£1.2m

1 Carters Lane, Long Crendon

HP18 9DE

5 bed
£688k

1 Bridge Road, Ickford

HP18 9HU

5 bed
£535k

1 Brookside, Oakley

HP18 9PN

3 bed1 bath
£342k

1 Bradley Close, Oakley

HP18 9QS

3 bed1 bath
£935k

1 Bernewode Close, Long Crendon

HP18 9BY

£973k

1 Church Road, Ickford

HP18 9HZ

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 21 Frogmore Lane is modelled from its 194 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in HP18 9DZ. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 2 sales are recorded for 21 Frogmore Lane. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 21 Frogmore Lane was lodged in February 2016 at band E and expired in February 2026, so a new one is needed to sell or let. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. 5 applications are matched to 21 Frogmore Lane. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 12 months, which places each incident at an approximate point. The 3 schools and 24 stops listed are measured in a straight line from HP18 9DZ, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
21 Frogmore Lane is in council tax band E. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Frogmore Lane, Long Crendon, Aylesbury, HP18 9DZ. Each answer is also embedded as structured data for search engines.

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