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21 Alva Way, Watford, WD19 5EE

9 planning records
Property type
Detached
Bedrooms
2
Bathroom
1
Floor area
217 m²
2336 sq ft
Energy rating
C
Score 76
Council tax
Band E
Tenure
Owner Occupied
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Overview

About 21 Alva Way

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

21 Alva Way is a two-bedroom detached house in Watford (WD19 5EE). It has a recorded floor area of 217 m² (around 2336 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (August 2025) shows a C (score 76), near the top of the C band. When first surveyed in May 2017 the rating was G, the property has climbed 4 bands since. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Very Poor to Good and lighting went from Average to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 83).

At 217 m² the property is well over the postcode median (102 m² across 10 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £843,000 sits 81.3% above the 2017 sale of £465,000. On a £-per-square-foot basis, the last sale (£199/sq ft) was about 29.5% below the postcode norm. 9 planning records sit against the property, 4 approved, 4 refused. Past consents include an extension, an annexe and a loft conversion, meaningful when judging how the property has evolved. On the market in August 2017 and unlisted since — roughly 9 years.

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

  • Bedrooms2
  • Bathrooms1
  • Dining roomYes
  • EnsuiteYes

Outside

  • GarageYes

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 21 Alva Way

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

Pick your report · from £14.99

One time fee only - 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)
Aug 2025

EPC Rating

A
B
C
C76
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
5.0 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 11 August 2035

8 years remaining

Property Improvements

Changes detected from historical EPC data

Aug 2025from May 2017
EPC improved fromG2toC76
Heating System
Room HeatersGas Boiler

Upgraded to gas central heating

Main Fuel
ElectricGas

Connected to mains gas supply

Heating Controls
ThermostatFull Control

Heating controls upgraded for better temperature management

Hot Water
ImmersionMain System

Hot water system upgraded

Windows
SingleFull Double

Single glazing replaced with double or better glazing

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

Low Energy Lighting
38%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Early 20th centuryDetached HouseEPC CExtended multiple times (2+ extensions)Solid (non-cavity) walls

Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.

From £1,360 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Alva Way, Watford, WD19 5EE, sourced from the PlanIt planning register.

21 Alva Way has 4 separate extension applications on the council record.

9 applications on record at 21 Alva Way, Watford, WD19 5EE

9decisions6extensions70documents
Flagged:Retrospective
  1. Sept 2017
    ExtensionOutline
    Outcome in report

    Extension: Single storey · Rear of property

    Prior Approval: Single storey rear extension (depth 8 metres, maximum height 4 metres and eaves height 3 metres)

    Documents
    5 docs on file
    Reference
    17/1784/PDE
    Full record in report
  2. More recent applications — locked
  3. AnnexDecision
  4. AmendmentDecision

+ 6 more applications in the report

Unlock 21 Alva Way, Watford, WD19 5EE's full planning history

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

  • Every decision — granted, refused or withdrawn (9 on record)
  • All 9 applications on this property in full
  • The 70 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - 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.

21 Alva Way valuation sits well clear of the typical sold price in this postcode.

Current estimate

£843,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2017)

£465,000

Recorded with HM Land Registry.

Sales timeline

  1. 24 August 2017Most recent

    £465,000

Median price across the last 5 sales in WD19 5EE: £510,000 (2025–2020).

On the street

Versus other Alva Way homes

Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.

21 Alva Way is notably below the street on price per m².

Price per m²

£2,143

Street avg £4,297

Strongly below

Floor Area

217 m²

Street avg 98 m²

Strongly above

Habitable Rooms

7 rooms

Street avg 4 rooms

Strongly above

CO₂ Emissions

5.0 t/year

Street avg 4.1 t/year

Below
Before you decide

Everything you need to know about 21 Alva Way

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

Pick your report · from £14.99

One time fee only - 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 Watford district page.

Rail-style transport is unusually close for this postcode.

Crime

179/mo

Falling year-on-year across the wider district.

Nearest stop

0.0 km

Alva Way — bus stop.

Closest school

0.5 km

Warren Dell Primary School. 27 schools nearby.

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 WD19 5EE from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for WD19 5EE

Daytime· 07:00 – 23:00

49.0dB

Low
Night-time road noise heatmap for WD19 5EE

Night-time· 23:00 – 07:00

39.1dB

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 21 Alva Way, Watford, WD19 5EE. Each answer is also embedded as structured data for search engines.