Areas / AL6 / Mardley Avenue / property

17 Mardley Avenue, AL6 0TU

Sold prices, property history and local context for 17 Mardley Avenue, Welwyn, AL6 0TU, from HM Land Registry and EPC records.

Last sold
£750,000
31 Jan 2025
Recorded sales
2
since 2006
Type
Detached house
Freehold
This home in brief

17 Mardley Avenue, in AL6, is a freehold detached house on Mardley Avenue. It last sold for £750,000 in 2025 — its 2nd recorded sale, up 90% on its first recorded sale of £395,000 in 2006. For context, AL6's median over the last 8 years is £695,000 — this home's last sale was 8% higher.

Buying or selling 17 Mardley Avenue?

Get the full £5 report — a precise comparables-based valuation, EPC & running costs, flood/mining risk, planning activity, schools, crime and more, for this exact home.

What might it be worth now?

An indicative range from carrying the 2025 sale forward at this home's own historical growth rate — not a formal valuation.

Indicative range
£729,000£853,000
as of 2026
Last sold
£750,000
2025
Its own growth
3.6%/yr
compounded across 2 recorded sales

Based on this home's own compounded sale-price growth (3.6% a year between its recorded sales), projected from its last sale. It can't see improvements, condition or anything specific to the property — the £5 report values it against individual comparable sales instead.

Sale history for 17 Mardley Avenue

Every transaction recorded by HM Land Registry for this address, newest first.

DatePriceChangeTypeTenureNew build
31 Jan 2025£750,000+90% (+3.6%/yr)Detached houseFreehold
18 Dec 2006£395,000Detached houseFreehold

Other homes at AL6 0TU

Recorded sales for the other addresses sharing this postcode on Mardley Avenue.

AddressLast soldPriceSalesFloor area
7 Mardley Avenue2022£470,0001
7a Mardley Avenue2024£500,0002
21 Mardley Avenue1996£142,2502
23 Mardley Avenue2000£195,0001195 m²
25 Mardley Avenue2005£310,0001
29 Mardley Avenue2007£456,0001
31 Mardley Avenue2001£500,0001283 m²
35 Mardley Avenue2020£775,0004142 m²
37 Mardley Avenue2004£320,0002
39 Mardley Avenue2024£1,000,0002

The street and the area

Where 17 Mardley Avenue sits in its local market.

AL6 median
£695,000
last 8 years
Mardley Avenue sold prices & street profile →AL6 house prices & area guide →

17 Mardley Avenue: quick answers

From HM Land Registry, EPC and VOA records.

When did 17 Mardley Avenue last sell, and for how much?

17 Mardley Avenue last sold for £750,000 on 31 Jan 2025, according to HM Land Registry.

How many times has 17 Mardley Avenue been sold?

HM Land Registry records 2 sales for 17 Mardley Avenue between 2006 and 2025. Sales before 1995 are not in the public dataset.

What is 17 Mardley Avenue worth today?

Carrying its 2025 sale price forward with its own compounded sale-price growth of 3.6% a year across 2 sales suggests roughly £729,000–£853,000 as of 2026. This is indicative only — the full report values it against individual comparable sales.

Buying or selling 17 Mardley Avenue?

Get the full £5 report — a precise comparables-based valuation, EPC & running costs, flood/mining risk, planning activity, schools, crime and more, for this exact home.

Contains HM Land Registry data © Crown copyright and database right 2026. EPC data © Crown copyright. Council tax band from the Valuation Office Agency. Licensed under the Open Government Licence v3.0. Sales before 1995 are not in the public dataset. Figures describe recorded transactions and are not a valuation of this home; the indicative range is a district-level projection, not a survey or appraisal.