Skip to content

1 Dewars Close, Welwyn, AL6 9RR

2 planning records
Property type
Detached
Bedrooms
3
Bathroom
1
Floor area
301 m²
3240 sq ft
Energy rating
C
Score 77
Council tax
Band F
Tenure
Owner Occupied
Overview

About 1 Dewars Close

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

1 Dewars Close is a three-bedroom detached house in Welwyn (AL6 9RR). It has a recorded floor area of 301 m² (around 3240 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (November 2025) shows a C (score 77), near the top of the C band. When first surveyed in February 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Good to Very Good, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 81).

Today's modelled estimate of £1,404,000 sits 84.7% above the 2023 sale of £760,000. On a £-per-square-foot basis, the last sale (£235/sq ft) was about 42.5% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: March 2023 at £760,000.

Before you offer

Know exactly what you're buying at 1 Dewars Close

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

£14.99
Trusted by UK homebuyers

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

  • Bedrooms3
  • Bathrooms1
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 3)
Nov 2025

EPC Rating

A
B
C
C77
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
5.8 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Sept 2022from Feb 2010
EPC improved fromE53toD59
Hot Water
Main SystemMain (No Stat)

Hot water system changed

Windows
Mostly DoubleFull Double

Windows upgraded, improving insulation

Low Energy Lighting
0%40%

More low energy lighting installed

Nov 2025from Sept 2022
EPC improved fromD59toC77
Heating System
Warm AirGas Boiler

Heating system upgraded to a more efficient system

Heating Controls
Prog + StatFull Control

Heating controls upgraded for better temperature management

Hot Water
Main (No Stat)Main System

Hot water system upgraded

Walls
AverageVery Good

Wall insulation improved

Roof
AverageGood

Roof insulation improved

Floor Insulation
UninsulatedInsulated

Floor insulation added or improved

Low Energy Lighting
40%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 1 Dewars Close, Welwyn, AL6 9RR, sourced from the PlanIt planning register.

A recent planning application at 1 Dewars Close was refused — worth checking the council file.

  1. Sept 2023
    ExtensionFull
    In report

    Extension: Part single, part two storey · Side and rear of property

    Erection of a single storey rear extension with first floor rear and side extensions, single storey front and side extensions and alterations to the existing fenestration

    Reference
    6/2023/1393/HOUSE
    View planning record
  2. May 2023
    ExtensionFull
    In report

    Extension: Part single, part two storey · Side and rear of property

    Erection of single storey rear extension, first floor side extension to both sides & front single storey extension

    Reference
    6/2023/0734/HOUSE
    View planning record

What's in 1 Dewars Close, Welwyn, AL6 9RR's planning history?

Refusals, disputes and full decisions on this property and nearby, in the report.

Price

Sales history & valuation

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

1 Dewars Close valuation sits well clear of the typical sold price in this postcode.

Current estimate

£1,404,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2023)

£760,000

Recorded with HM Land Registry.

Sales timeline

  1. 10 March 2023Most recent

    £760,000

Median price across the last 5 sales in AL6 9RR: £595,000 (2023–2001).

Before you offer

Everything we know about 1 Dewars Close, in one report

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

  • Am I paying too much?
  • Is something wrong with it?
  • Is the agent's story true?
  • Will it hold its value?
£14.99
Trusted by UK homebuyers
Preview of the full property report
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

0.2 km

Carleton Rise — bus stop.

Closest school

0.9 km

Welwyn St Mary's Church of England Voluntary Aided Primary School. 9 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 1 Dewars Close, Welwyn, AL6 9RR. Each answer is also embedded as structured data for search engines.