What type of property is 19 Firs Walk, AL6 0NY?

19 Firs Walk, AL6 0NY is a 5-bedroom detached house.

When did 19 Firs Walk, AL6 0NY last change hands?

19 Firs Walk, AL6 0NY last sold for £1,250,000 in February 2021, around 5 years ago. Before that, it sold for £240,000 in November 1995, so prices have been rising over 25 years on record. Source: HM Land Registry.

How has the value of 19 Firs Walk, AL6 0NY changed over time?

Across 2 sales between November 1995 and February 2021, 19 Firs Walk, AL6 0NY rose from £240,000 to £1,250,000, a change of £1,010,000. That works out to roughly +6.8% per year compounded over 25 years. Source: HM Land Registry.

What energy rating does 19 Firs Walk, AL6 0NY have?

The current EPC rating for 19 Firs Walk, AL6 0NY is B with a score of 81 out of 100, lodged in September 2025. It has improved from a D recorded in May 2017 (2 bands). Source: EPC Register.

What is the floor area of 19 Firs Walk, AL6 0NY?

19 Firs Walk, AL6 0NY has a recorded floor area of 364 m² (3,918 sq ft), around 73 m² per bedroom. That makes it about 65% larger than the median EPC-recorded property in AL6 0NY. Source: EPC Register.

How is 19 Firs Walk, AL6 0NY heated?

The latest EPC at 19 Firs Walk, AL6 0NY records electricity: electricity, unspecified tariff as the main heating fuel. Source: EPC Register.

Are there any planning records for 19 Firs Walk, AL6 0NY?

The most recent planning decision at 19 Firs Walk, AL6 0NY was a refusal for demolition and rebuild (ref. 3/22/1339/FUL) in March 2023. Earlier filings include 5 approved applications on the same address. Source: PlanIt planning register.

What council tax band is 19 Firs Walk, AL6 0NY?

19 Firs Walk, AL6 0NY is in council tax band G. That sits towards the upper end of the band ladder, typically reflecting larger or higher-value homes.

Where is 19 Firs Walk, AL6 0NY located?

19 Firs Walk, AL6 0NY sits in Tewin, Welwyn, Welwyn. It falls within the AL6 postcode district in Hertfordshire.

How safe is the area around 19 Firs Walk, AL6 0NY?

Police records around 19 Firs Walk, AL6 0NY show an average of 2 reported crimes per month over the last 8 months. Violent crime makes up roughly 67% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

What transport links are near 19 Firs Walk, AL6 0NY?

The closest bus stop to 19 Firs Walk, AL6 0NY is Desborough Drive, 664m away. The nearest rail option is Welwyn North Rail Station, 2.5km away.

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19 Firs Walk, Tewin, Welwyn, AL6 0NY

EPC B10 planning records

Property type

Detached

Bedrooms

Bathrooms

Floor area

364 m²

3918 sq ft

Energy rating

Score 81

Council tax

Band G

Overview

About 19 Firs Walk

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

19 Firs Walk is a five-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0NY). It has a recorded floor area of 364 m² (around 3918 sq ft), construction records dating it to 2022 and council tax band G. The latest certificate (September 2025) returns a B (score 81), comfortably above the UK average. When first surveyed in May 2017 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency went from Good to Very Good and window efficiency went from Good to Very Good; while hot-water efficiency dropped from Good to Poor. Main heating runs on electricity: electricity, unspecified tariff.

At 364 m² the property is well over the postcode median (221 m² across 14 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Across 1995–2021, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £2,121,000 sits 69.7% above the 2021 sale of £1,250,000. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 20.1% below the postcode norm. 10 planning records sit against the property, 5 approved, 4 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £1,250,000 in February 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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Larger development activity nearbyA planning decision worth checking

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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

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

Bedrooms5
Bathrooms2

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

19 Firs Walk ranks among the most efficient homes in the postcode for energy use.

Current Certificate(1 of 2)

Sept 2025

EPC Rating

B81

Main Heating

Heat Pump

Main Fuel

Electric

Hot Water

Poor

Windows

Very Good

CO2 Emissions

5.0 t/year

Occupancy

—

Property Improvements

Changes detected from historical EPC data

Sept 2025from May 2017

EPC improved fromD67toB81

Heating System

Gas BoilerHeat Pump

Heat pump installed, significantly improving energy efficiency

Main Fuel

GasElectric

Changed to a more efficient fuel source

Heating Controls

FullFull Control

Heating controls upgraded for better temperature management

Hot Water

GoodPoor

Hot water efficiency decreased

Windows

Full DoubleHigh Performance

High performance glazing installed

Walls

GoodVery Good

Wall insulation improved

Floor Insulation

UninsulatedInsulated

Floor insulation added or improved

Planning

Planning history

Applications and permits filed against 19 Firs Walk, Tewin, Welwyn, AL6 0NY, sourced from the PlanIt planning register.

A a basement excavation application was refused at 19 Firs Walk in 2023.

Apr 2023
Conditions
In report
Discharge condition 4 (Landscape and Ecological Management Plan) attached to 3/22/0312/FUL.
Documents
3 docs on file
Reference
X/23/0093/CND
View planning record
Mar 2023
BasementFull
In report
Demolition of dwelling. Erection of a replacement dwelling incorporating a basement and a garage with associated landscaping.
Documents
39 docs on file
Reference
3/22/1339/FUL
View planning record

Before you offer

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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
A planning decision worth checking

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Price

Sales history & valuation

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

19 Firs Walk has more than quadrupled in price since its earliest registered sale in 1995.

Current estimate

£2,121,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 25 years.

See how we calculated this

Last sold (2021)

£1,250,000

Growth on file: 6.8% per year over 25 years.

Sales timeline

5 February 2021Most recent
£1,250,000
+420.8%over 25 years
30 November 1995
£240,000

Median price across the last 5 sales in AL6 0NY: £1,300,000 (2025–2017).

Nearby sales in AL6 0NY

Before you offer

Everything we know about 19 Firs Walk, in one report

What it's really worth, what could be wrong, and the planning, sales and area data in full.

What we flagged

Larger development activity nearby
A planning decision worth checking

£14.99

Trusted by UK homebuyers

On the street

Versus other Firs Walk homes

Four headline reads against 14 similar houses on this street, drawn from the latest EPC and Land Registry data.

19 Firs Walk outperforms the street on floor area by a wide margin.

Price per m²

£3,434

Street avg £4,733

Strongly below

Floor Area

364 m²

Street avg 231 m²

Strongly above

CO₂ Emissions

5.0 t/year

Street avg 8.5 t/year

Above

Years Held

5 years

Street avg 11 years

Below

Comparables

Similar properties nearby

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

£1.2m

1 Desborough Drive, Tewin

AL6 0HQ

5 bed2 bath

£1.1m

1 Acorn Glade, Digswell

AL6 0AZ

5 bed

£1.1m

1 Broom Hill

AL6 0SF

5 bed4 bath

£550k

1 Cob Lane Close, Digswell

AL6 0DD

5 bed

£1.3m

1 Badgers Walk, Tewin

AL6 0HP

4 bed

£909k

1 Churchfield Road, Tewin

AL6 0JW

4 bed2 bath

£879k

1 Chestnut Walk

AL6 0SB

4 bed

£813k

1 Barneswood

AL6 0EU

4 bed

Area

The neighbourhood at a glance

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

Full Welwyn report

Crime

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.7 km

Desborough Drive — bus stop.

Closest school

1.9 km

Tewin Cowper Church of England Voluntary Aided Primary School. 7 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 19 Firs Walk, Tewin, Welwyn, AL6 0NY. Each answer is also embedded as structured data for search engines.