Skip to content

AL5 1HF

Sibley Avenue, Harpenden

Median, last 3 years
£1,100,000
7 sales, Jun 2023 – May 2026
Last standard sale
£1,100,000
4 Dec 2025
Standard sales
52
since 1995 (+1 additional entry)
AL5 district median
£800,000
396 sales, 12 months to May 2026

By property type, Jun 2023 – May 2026: Detached median £1,105,000 (5 sales) · Terraced sold for £500,000 · Semi-detached sold for £793,650

Medians count standard sales only (Price Paid category A). Additional entries (category B) - repossessions, buy-to-lets with an identifiable mortgage, and purchases by companies and other non-private buyers - are listed below but left out.

Median price by year

£338k £675k £1013k £1350k 2013: £390,000 median, 1 sale 2013 2014: £770,000 median, 2 sales 2016 2018: £665,000 median, 3 sales 2019: £730,000 median, 1 sale 2019 2020: £750,000 median, 1 sale 2021: £710,000 median, 1 sale 2022: £755,000 median, 3 sales 2022 2023: £845,000 median, 3 sales 2024: £1,350,000 median, 1 sale 2025: £1,100,000 median, 3 sales 2025

2011 to 2025. Every year since 1995 is in the figures below.

Paler bars rest on fewer than three sales, so they show which homes sold more than how prices moved.

Show the figures
Median sale price and number of sales by year
Year Median Sales
2025 £1,100,000 3
2024 (few sales) £1,350,000 1
2023 £845,000 3
2022 £755,000 3
2021 (few sales) £710,000 1
2020 (few sales) £750,000 1
2019 (few sales) £730,000 1
2018 £665,000 3
2014 (few sales) £770,000 2
2013 (few sales) £390,000 1
2010 £551,000 4
2008 (few sales) £440,000 1
2007 £395,000 3
2006 £445,000 4
2005 £373,611 4
2004 (few sales) £302,500 2
2002 (few sales) £367,000 2
2001 £337,500 4
2000 (few sales) £268,000 2
1999 (few sales) £108,000 1
1998 (few sales) £220,000 1
1996 £162,250 4
1995 (few sales) £125,000 1

Sale history (53 records · 15 homes sold more than once)

Address Price
59, SIBLEY AVENUE
4 Dec 2025 · Detached · Freehold
£1,100,000
28, SIBLEY AVENUE
5 Sep 2025 · Semi-detached · Freehold
Previously £249,000 (Jul 2000) · +219%
£793,650
57, SIBLEY AVENUE
31 Mar 2025 · Detached · Freehold
£1,105,000
45, SIBLEY AVENUE
10 May 2024 · Detached · Freehold
Previously £362,222 (Dec 2005) · +273%
£1,350,000
36, SIBLEY AVENUE
26 Oct 2023 · Detached · Freehold
Previously £690,000 (Aug 2010) · +75%
£1,205,000
43, SIBLEY AVENUE
14 Jul 2023 · Detached · Freehold
Previously £730,000 (Oct 2019) · +16%
£845,000
27, SIBLEY AVENUE
15 Jun 2023 · Terraced · Freehold
£500,000
44, SIBLEY AVENUE
23 Sep 2022 · Detached · Freehold
£660,000
26, SIBLEY AVENUE
21 Jun 2022 · Terraced · Freehold
Previously £440,000 (Sep 2008) · +115%
£945,000
34, SIBLEY AVENUE
20 Apr 2022 · Semi-detached · Freehold
£755,000
24, SIBLEY AVENUE
26 May 2021 · Semi-detached · Freehold
£710,000
20, SIBLEY AVENUE
18 Dec 2020 · Semi-detached · Freehold
£750,000
43, SIBLEY AVENUE
18 Oct 2019 · Detached · Freehold
Previously £290,000 (May 2001) · +152%
£730,000
31, SIBLEY AVENUE Cat B
23 Aug 2019 · Semi-detached · Freehold
Previously £665,000 (Feb 2014)
£756,000
40, SIBLEY AVENUE
18 Dec 2018 · Detached · Freehold
Previously £181,000 (Jun 1996) · +394%
£895,000
22, SIBLEY AVENUE
20 Sep 2018 · Semi-detached · Freehold
Previously £360,711 (Aug 2006) · +62%
£585,000
16, SIBLEY AVENUE
20 Jun 2018 · Detached · Freehold
Previously £390,000 (Jul 2013) · +71%
£665,000
41, SIBLEY AVENUE
13 Aug 2014 · Detached · Freehold
Previously £395,000 (Jan 2001) · +122%
£875,000
31, SIBLEY AVENUE
7 Feb 2014 · Semi-detached · Freehold
Previously £315,000 (Nov 2004) · +111%
£665,000
16, SIBLEY AVENUE
17 Jul 2013 · Detached · Freehold
£390,000
18, SIBLEY AVENUE
29 Oct 2010 · Semi-detached · Freehold
Previously £385,000 (Jul 2005) · +17%
£452,000
36, SIBLEY AVENUE
16 Aug 2010 · Detached · Freehold
Previously £485,000 (Aug 2002) · +42%
£690,000
51, SIBLEY AVENUE
14 Jul 2010 · Detached · Freehold
Previously £662,500 (Jun 2007) · −2%
£650,000
19, SIBLEY AVENUE
30 Apr 2010 · Detached · Freehold
£425,000
26, SIBLEY AVENUE
26 Sep 2008 · Terraced · Freehold
Previously £405,000 (Apr 2006) · +9%
£440,000
25, SIBLEY AVENUE
28 Aug 2007 · Semi-detached · Freehold
Previously £290,000 (Apr 2004) · +36%
£395,000
21, SIBLEY AVENUE
6 Jul 2007 · Detached · Freehold
Previously £108,000 (Mar 1999) · +266%
£395,000
51, SIBLEY AVENUE
25 Jun 2007 · Detached · Freehold
Previously £400,000 (Apr 2005) · +66%
£662,500
53, SIBLEY AVENUE
31 Aug 2006 · Detached · Freehold
£485,000
22, SIBLEY AVENUE
24 Aug 2006 · Semi-detached · Freehold
£360,711
26, SIBLEY AVENUE
28 Apr 2006 · Terraced · Freehold
£405,000
39, SIBLEY AVENUE
24 Feb 2006 · Detached · Freehold
£520,000
45, SIBLEY AVENUE
15 Dec 2005 · Detached · Freehold
£362,222
35, SIBLEY AVENUE
18 Nov 2005 · Semi-detached · Freehold
£345,000
18, SIBLEY AVENUE
28 Jul 2005 · Semi-detached · Freehold
Previously £143,500 (Jun 1996) · +168%
£385,000
51, SIBLEY AVENUE
21 Apr 2005 · Detached · Freehold
£400,000
31, SIBLEY AVENUE
10 Nov 2004 · Semi-detached · Freehold
£315,000
25, SIBLEY AVENUE
21 Apr 2004 · Semi-detached · Freehold
Previously £249,000 (Nov 2002) · +16%
£290,000
25, SIBLEY AVENUE
1 Nov 2002 · Semi-detached · Freehold
Previously £75,000 (Sep 1996) · +232%
£249,000
36, SIBLEY AVENUE
28 Aug 2002 · Detached · Freehold
Previously £385,000 (Jan 2001) · +26%
£485,000
30, SIBLEY AVENUE
19 Jun 2001 · Semi-detached · Freehold
£245,000
43, SIBLEY AVENUE
4 May 2001 · Detached · Freehold
Previously £220,000 (Mar 1998) · +32%
£290,000
41, SIBLEY AVENUE
19 Jan 2001 · Detached · Freehold
£395,000
36, SIBLEY AVENUE
18 Jan 2001 · Detached · Freehold
£385,000
47, SIBLEY AVENUE
28 Jul 2000 · Detached · Freehold
Previously £125,000 (Apr 1995) · +130%
£287,000
28, SIBLEY AVENUE
20 Jul 2000 · Semi-detached · Freehold
£249,000
21, SIBLEY AVENUE
19 Mar 1999 · Detached · Freehold
£108,000
43, SIBLEY AVENUE
6 Mar 1998 · Detached · Freehold
£220,000
25, SIBLEY AVENUE
25 Sep 1996 · Semi-detached · Freehold
£75,000
38, SIBLEY AVENUE
12 Aug 1996 · Detached · Freehold
£213,200

Cat B An additional Price Paid entry (category B): a repossession, a buy-to-let with an identifiable mortgage, a purchase by a company or other non-private buyer, or a sale of another kind of property. Left out of every average.