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34 St Johns Road, Watford, WD17 1QA

10 planning records

Estimated value

£612,000

  • Since the 2018 sale (£431,126)+42%
  • Against WD17 1QA's recent median (£590,000)+4%

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

Learn about this valuation
Property type
Semi-detached
Habitable rooms
6
From EPC
Floor area
138 m²
1485 sq ft
Energy rating
C
Score 74
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

£612,000

  • Against its 2018 sale (£431,126)+42%
  • Against WD17 1QA's recent median (£590,000)+4%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 34 St Johns Road is modelled from its 138 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in WD17 1QA. 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

    138 m² from the EPC lodged in June 2021

  • Sales of this home

    1 sale recorded, the latest in 2018

  • Recent sales in WD17 1QA

    5 sales, median £590,000 (2026–2015)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: January 2026Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 of 10 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.

34 St Johns Road valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 30 November 2018Most recent

    £431,126

Median price across the last 5 sales in WD17 1QA: £590,000 (2026–2015).

Risks

What this page doesn't show

2 potential issues have already been flagged for 34 St Johns Road, Watford, WD17 1QA. The detail, evidence and what to ask about it are in the Risks Report.
  • Signs of HMO activity in the areaIn 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

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Overview

About 34 St Johns Road

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

34 St Johns Road is a semi-detached house in Watford (WD17 1QA). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (June 2021) shows a C (score 74). When first surveyed in April 2018 the rating was G, the property has climbed 4 bands since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 88).

At 138 m² the property is well over the postcode median (105 m² across 6 EPCs), placing it in the larger end of the local stock. 10 planning records sit against the property, 4 approved, 6 refused. Past consents include HMO conversion, change of use to residential, a loft conversion and an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £612,000 is 42% above the 2018 sale price. Most recent transfer: November 2018 at £431,126.

Before you decide

Everything you need to know about 34 St Johns Road

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

Signs of HMO activity in the areaLarger 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.
Current Certificate(1 of 2)
Jun 2021

EPC Rating

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

Certificate validity

Valid until 8 June 2031

4 years remaining

Property Improvements

Changes detected from historical EPC data

Jun 2021from Apr 2018
EPC improved fromG1toC74
Heating System
Room HeatersGas Boiler

Upgraded to gas central heating

Hot Water
ImmersionMain System

Hot water system upgraded

Windows
AverageGood

Window efficiency improved

Roof Insulation
UninsulatedInsulated

Roof insulation improved

Low Energy Lighting
80%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 34 St Johns Road, Watford, WD17 1QA, sourced from the PlanIt planning register.

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

10 applications on record at 34 St Johns Road, Watford, WD17 1QA

10decisions7extensions160documents7nearby
Flagged:HMO conversionSubdivisionChange of use
  1. Nov 2018
    ExtensionOutline
    Outcome in report

    Extension: Single storey · Rear of property

    The erection of a single storey rear extension which would extend beyond the rear wall of the original house by 3.75m for which the maximum height would be 3.6m and for which the height of the eaves would be 2.5m

    Documents
    12 docs on file
    Reference
    18/01366/HPD
    Full record in report
  2. More recent applications — locked
  3. HMODecision
  4. SubdivisionDecision

+ 7 more applications in the report

Unlock 34 St Johns Road, Watford, WD17 1QA's full planning history

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

  • Every decision — granted, refused or withdrawn (10 on record)
  • All 10 applications on this property in full, plus 7 notable nearby
  • The 160 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other St Johns Road homes

Four headline reads against 3 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 34 St Johns Road lags the street by a wide margin.

Price per m²

£3,124

Street avg £4,311

Strongly below

Floor Area

138 m²

Street avg 134 m²

Above

Habitable Rooms

6 rooms

Street avg 6 rooms

Below

CO₂ Emissions

3.7 t/year

Street avg 8.8 t/year

Strongly above
Area

The neighbourhood at a glance

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

Rail-style transport is unusually close for this postcode.

Crime

266/mo

Falling year-on-year across the wider district.

Nearest stop

0.2 km

West Street — bus stop.

Closest school

0.4 km

Watford St John's Church of England Primary School. 36 schools nearby.

Nearest schools

  • Watford St John's Church of England Primary SchoolPrimary429m
  • Lanchester Primary SchoolPrimary551m
  • West Herts College16 plus573m
  • Central Primary SchoolPrimary828m

Nearest stops

  • West StreetBus stop182m
  • Beechen Grove NorthBus stop186m
  • St John's RoadBus stop223m
  • Town HallBus stop257m

Most reported crime locally

  • Violence & Sexual Offences1,094 reports29%
  • Anti-social Behaviour733 reports20%
  • Shoplifting489 reports13%
  • Other Theft287 reports8%

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 WD17 1QA from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for WD17 1QA

Daytime· 07:00 – 23:00

54.3dB

Low
Night-time road noise heatmap for WD17 1QA

Night-time· 23:00 – 07:00

44.8dB

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 centurySemi-Detached HouseEPC CSolid (non-cavity) walls

Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £1,155 · 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.
£589k

10 Westland Road

WD17 1QS

4 bed
£757k

10 Canterbury Road

WD17 1QT

5 bed
£435k

1 Franklin Road

WD17 1QD

2 bed1 bath
£426k

101 St Albans Road

WD17 1RD

£398k

10 Franklin Road

WD17 1QD

2 bed1 bath
£360k

103 105, Flat 3, St Albans Road

WD17 1RD

Flat
£353k

10 Terrace Gardens

WD17 1RB

2 bed1 bath
£339k

1 Orphanage Road

WD17 1PG

2 bed1 bath

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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 34 St Johns Road is modelled from its 138 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in WD17 1QA. 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. 1 sale is recorded for 34 St Johns Road. 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 34 St Johns Road was lodged in June 2021 at band C and is valid until June 2031. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. 10 applications are matched to 34 St Johns Road. 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 14 months, which places each incident at an approximate point. The 36 schools and 30 stops listed are measured in a straight line from WD17 1QA, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
34 St Johns Road 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 34 St Johns Road, Watford, WD17 1QA. Each answer is also embedded as structured data for search engines.

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