Areas / AL5 / Sibley Avenue / property

25 Sibley Avenue, AL5 1HF

Sold prices, property history and local context for 25 Sibley Avenue, Harpenden, AL5 1HF, from HM Land Registry and EPC records.

Last sold
£395,000
28 Aug 2007
Recorded sales
4
since 1996
Type
Semi-detached house
Freehold
This home in brief

25 Sibley Avenue, in AL5, is a freehold semi-detached house on Sibley Avenue. It last sold for £395,000 in 2007 — its 4th recorded sale, up 427% on its first recorded sale of £75,000 in 1996. That price sits 47% below the £750,000 median for AL5 over the last 8 years.

Buying or selling 25 Sibley 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 2007 sale forward at this home's own historical growth rate — not a formal valuation.

Indicative range
£5,282,000£8,803,000
as of 2026
Last sold
£395,000
2007
Its own growth
16.4%/yr
compounded across 4 recorded sales

Based on this home's own compounded sale-price growth (16.4% 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 25 Sibley Avenue

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

DatePriceChangeTypeTenureNew build
28 Aug 2007£395,000+36% (+9.7%/yr)Semi-detached houseFreehold
21 Apr 2004£290,000+16% (+10.9%/yr)Semi-detached houseFreehold
1 Nov 2002£249,000+232% (+21.7%/yr)Semi-detached houseFreehold
25 Sept 1996£75,000Semi-detached houseFreehold

Other homes at AL5 1HF

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

AddressLast soldPriceSalesFloor area
16 Sibley Avenue2018£665,0002116 m²
18 Sibley Avenue2010£452,0003
19 Sibley Avenue2010£425,0001
20 Sibley Avenue2020£750,0001
21 Sibley Avenue2007£395,0002
22 Sibley Avenue2018£585,000265 m²
24 Sibley Avenue2021£710,0001140 m²
26 Sibley Avenue2022£945,0003137 m²
27 Sibley Avenue2023£500,0001
28 Sibley Avenue2025£793,6502138 m²
30 Sibley Avenue2001£245,0001
31 Sibley Avenue2014£665,0002155 m²
34 Sibley Avenue2022£755,0001108 m²
35 Sibley Avenue2005£345,0001
36 Sibley Avenue2023£1,205,0004205 m²
38 Sibley Avenue1996£213,2001
39 Sibley Avenue2006£520,0001
40 Sibley Avenue2018£895,0002136 m²
41 Sibley Avenue2014£875,0002189 m²
43 Sibley Avenue2023£845,0004119 m²
44 Sibley Avenue2022£660,0001
45 Sibley Avenue2024£1,350,0002186 m²
47 Sibley Avenue2000£287,0002155 m²
51 Sibley Avenue2010£650,0003
53 Sibley Avenue2006£485,000198 m²
57 Sibley Avenue2025£1,105,0001
59 Sibley Avenue2025£1,100,0001113 m²

The street and the area

Where 25 Sibley Avenue sits in its local market.

AL5 median
£750,000
last 8 years
Sibley Avenue sold prices & street profile →AL5 house prices & area guide →

25 Sibley Avenue: quick answers

From HM Land Registry, EPC and VOA records.

When did 25 Sibley Avenue last sell, and for how much?

25 Sibley Avenue last sold for £395,000 on 28 Aug 2007, according to HM Land Registry.

How many times has 25 Sibley Avenue been sold?

HM Land Registry records 4 sales for 25 Sibley Avenue between 1996 and 2007. Sales before 1995 are not in the public dataset.

What is 25 Sibley Avenue worth today?

Carrying its 2007 sale price forward with its own compounded sale-price growth of 16.4% a year across 4 sales suggests roughly £5,282,000–£8,803,000 as of 2026. This is indicative only — the full report values it against individual comparable sales.

Buying or selling 25 Sibley 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.