UK PROPERTY INTELLIGENCE

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Property details Key facts and EPC

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Schools Nearby schools and inspections

Sales history Recorded property transactions

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Local market Street and postcode intelligence

Roofy Property Intelligence Report

12 MARDLEYBURY COURT

KNEBWORTH · SG3 6LP

About these prices: Recorded sale prices are from HM Land Registry, where available. Roofy estimates are based on the available data and are indicative only. For a formal valuation, consult a qualified property valuer.

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Sale price history

Land Registry

Latest sale

£272,000

19 September 2025

Previous sale

£45,000

1 October 2014

Long-term change

+408.4%

+£218,500 · First to latest recorded sale

Property type

Flat

Tenure: Leasehold

The Property Today (with estimate)

Estimated today

LOW £256,484

MID £269,983

HIGH £283,482

Confidence: Medium Based on Welwyn Hatfield Flat HPI to Aug 2026

Compare properties in SG3 6LP

Property type Flat

Built form Semi-Detached

Floor area 57 m²

Price per m² at last sale £4,772/m²

Habitable rooms 3

EPC C

Built England and Wales: 1983-1990

Street intelligence

5 years

Comparable sales

Same property type

Street median

£270,000

Last 5 years

Same property type, excluding subject property, last 5 years

Browse Mardleybury Court Recorded properties in SG3 6LP

Compare properties in SG3 6LP

Postcode sector

SG3 6

Comparable sales

148

Same property type

Street vs sector

+4%

Median comparison

Street in line with postcode sector median

Same property type, excluding subject property, last 5 years

Roofy market signal

Interpretation

Insufficient market data

Energy Performance Certificate

View official EPC ↗ EPC

Current rating C 73

Potential C 75

EPC lodged18 Apr 2018

Indicative expiry18 Apr 2028

This rating describes the recorded assessment. Expiry is calculated from lodgement, not a live register check. Use the official EPC to confirm its stated expiry and check for a newer certificate.

Property typeFlat

Built formSemi-Detached

Construction ageEngland and Wales: 1983-1990

Floor area57 m²

HeatingBoiler and radiators, mains gas

WallsCavity wall, as built, insulated (assumed)

WindowsFully double glazed

Mains gasYES

Sales history

5 recorded sales

Sold price history

Recorded sale prices for this property.

Lowest: £45,000Highest: £272,000

29 Jan 199719 Sep 2025

19 September 2025

£272,000

1 October 2014

£45,000

1 June 2005

£143,500

4 May 2001

£90,000

29 January 1997

£53,500

Schools

Nearest

St Michael's Woolmer Green CofE VA Primary School 0.08 miles

Primary · SG3 6JP

School remains Good

All Saints Church of England Voluntary Aided Primary School, Datchworth 0.82 miles

Primary · SG3 6RE

Good (Ofsted)

Knebworth Primary and Nursery School 0.96 miles

Primary · SG3 6AA

School remains Good

Houses nearby

Explore other addresses in SG3 6LP. Sharing a postcode does not mean immediately next door.

Ordered by most recent recorded sale. Historical sale prices are not current valuations.

Compare properties in SG3 6LP

Properties found

12 MARDLEYBURY COURT

Sale price history

The Property Today (with estimate)

Street intelligence

Postcode sector

Roofy market signal

Energy Performance Certificate

Sales history

Sold price history

Schools

Houses nearby

4 Mardleybury Court

11 Mardleybury Court

3 Mardleybury Court

7 Mardleybury Court

9 Mardleybury Court