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4 Tewin Hill, Tewin, Welwyn, AL6 0LJ

2 planning records
Property type
Detached
Bedrooms
2
Floor area
122 m²
1313 sq ft
Energy rating
C
Score 79
Council tax
Band E
Tenure
Owner Occupied
Overview

About 4 Tewin Hill

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

4 Tewin Hill is a two-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0LJ). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 2007-2011 and council tax band E. The latest certificate (January 2023) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (June 2009); the latest reading is one band lower. Between certificates, roof efficiency went from Good to Very Good and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 88).

It hasn't traded since October 2001, a hold of 25 years that's notably long for the area. At 122 m² the property is well over the postcode median (91 m² across 7 EPCs), placing it in the larger end of the local stock. 2 bedrooms is on the smaller side for this postcode, where 4 is the typical count. Today's modelled estimate of £622,000 sits 153.9% above the 2001 sale of £245,000. On a £-per-square-foot basis, the last sale (£187/sq ft) was about 50.9% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, partial demolition and a loft conversion, meaningful when judging how the property has evolved.

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Larger development activity nearby
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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

  • Bedrooms2
  • EnsuiteYes

Outside

  • Private gardenYes
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)
Jan 2023

EPC Rating

A
B
C
C79
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
2.7 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jan 2023from Jun 2009
EPC improved fromB81toC79
Hot Water
Very GoodGood

Hot water efficiency decreased

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Floor Insulation
PartialInsulated

Floor insulation added or improved

Planning

Planning history

Applications and permits filed against 4 Tewin Hill, Tewin, Welwyn, AL6 0LJ, sourced from the PlanIt planning register.

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

  1. Jul 2023
    DemolitionFull
    In report

    Extension: Single storey · Rear of property

    Demolition of conservatory and erection of single storey rear extension with roof lights.

    Extension
    Documents
    8 docs on file
    Reference
    3/23/1001/HH
    View planning record
  2. Sept 2016
    Loft ConversionOutline
    In report

    Proposed loft conversion comprising of rear dormer, openings will be created for 2 no. white uPVC casement windows. Further openings will be created in front roof to accept 5 no. Velux windows.

    Agent
    Rooftop Rooms
    Documents
    6 docs on file
    Reference
    3/16/1744/CLP
    View planning record
Before you offer

We flagged 1 thing worth checking at 4 Tewin Hill

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
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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.

4 Tewin Hill valuation sits well clear of the typical sold price in this postcode.

Current estimate

£622,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2001)

£245,000

Recorded with HM Land Registry.

Sales timeline

  1. 16 October 2001Most recent

    £245,000

Median price across the last 5 sales in AL6 0LJ: £525,000 (2024–2018).

Before you offer

Everything we know about 4 Tewin Hill, 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
£14.99
Trusted by UK homebuyers
Preview of the full property report
On the street

Versus other Tewin Hill homes

Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.

On price per m², 4 Tewin Hill runs well behind the street norm.

Price per m²

£2,008

Street avg £5,442

Strongly below

Floor Area

122 m²

Street avg 102 m²

Above

Habitable Rooms

5 rooms

Street avg 5 rooms

On par

CO₂ Emissions

2.7 t/year

Street avg 4.0 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 Welwyn district page.

Crime

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Plume of Feathers PH — bus stop.

Closest school

0.8 km

Tewin Cowper Church of England Voluntary Aided Primary School. 8 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 4 Tewin Hill, Tewin, Welwyn, AL6 0LJ. Each answer is also embedded as structured data for search engines.