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House Prices in AL6

The average house price in AL6 (Welwyn) is £707,723 using HM Land Registry data.

The average property price increased by £2,312 (3.5%) over the last 5 years and increased by £462 (0.68%) over the last 12 months.

Over the last year, there were 111 residential property sales – a decrease of 47 transactions (-42.34%) relative to the previous year. The majority of house sales (26) were in the £552,000 - £714,000 range. Then came properties in the £714,000 - £876,000 range, where 23 were sold within this price bracket.

Excluding fall throughs, properties are taking an average of 98 days to sell (from being listed to completion) and the average difference between asking and sold prices is £-15,917 (-2%).

In Aug 2026, there were 16 new estate agency instructions, 11 agreed home sales and 12 property price reductions.

5-Year Average Property Prices in AL6 (Welwyn)

3.5%

Property prices in AL6 (Welwyn) increased by 3.5% in last 5 years.

The trend shows the general price tendency over the last 5 years, ignoring all month-to-month fluctuations where anomalies - typically over or underpriced property sales - can skew results. These monthly variations typically do not have any long-term relevance.

We have used linear regression method. The volume of sales in a month is used to put more weight on months with a larger number of properties sold. Additionally, weighting decreases the impact of months with low sales volumes as well as the most recent month - which may consist of incomplete data. Such months have a higher variation of average sale values which may conceal the underlying trend.

From a statistical perspective, we use the least squares method to fit the trend line and weights are equal to the volume of sales squared. The volume of sales is not shown explicitly in the above plot. Also note the time lag for HM Land Registry data to appear (typically 2 to 3 months).

Average Property Prices in AL6 (Welwyn) Over the Last Year

0.68%

Property prices in AL6 (Welwyn) increased by 0.68% in last 12 months.

The trend shows the general price tendency over the last 12 months, ignoring all month-to-month fluctuations where anomalies - typically over or underpriced property sales - can skew results. These monthly variations typically do not have any long-term relevance.

Property Market Heat Gauge for AL6 (Welwyn) - Aug 2026

Our Property Market Heat Gauge looks at how long properties in your postcode district have been on the open market before being changed to sold 'Subject to Contract' ('STC') or 'Under Offer' on Rightmove (the UK's leading property portal).

At 81 to 100 days, the broad evidence suggests a very slow moving market. This can often be due to estate agency over-valuations out of sync with the realities, a notable market slowdown or a combination of both. In such scenarios, vendors may either choose to wait for the market to pick up (which may result in relisting the property at a later date). Those committed to selling will often need to drop the price to a level that will entice genuine homebuyer interest or approach a sell house fast or auction company like Property Solvers.

Please note that this is not an indicator of how quickly property sales are taking to complete (i.e. to go through the whole conveyancing process). This measurement also does not take into account the risk of home sales falling through.

No. of New Instructions Over the Last 12 Months in AL6 (Welwyn)

Using local estate agency reported data, this chart illustrates the number of properties that have come on to the market.

No. of Agreed Home Sales Over the Last 12 Months in AL6 (Welwyn)

Using local estate agency reported data, this chart illustrates the number of property sales agreed. Note that these figures are not fully reflective of properties completed (sold and registered as such at HM Land Registry).

No. of Properties with Price Reductions in AL6 (Welwyn)

Using local estate agency reported data, this chart illustrates the number of properties which have been seen their prices dropped (typically due to a lack of buyer interest).

Average Annual House Prices in the AL6 (Welwyn) Postcode since 1995

Using HM Land Registry data, this chart displays average annual house prices in the AL6 postcode area since 1995.

Recent Sales in AL6 (Welwyn)

Address	Initial Price	Sold Price	Price Change	First Listed Date	Sold Date	Days to Sell
9 Canonsfield, Welwyn, AL6 0QB	£800,000	£791,339	-£8,661	02 Feb 2026	10 Jul 2026	158 Days
49 London Road, Welwyn, AL6 9HY	£600,000	£580,000	-£20,000	07 Jan 2026	10 Jul 2026	184 Days
2 The Limberlost, Welwyn, AL6 9TS	£735,000	£710,000	-£25,000	02 Sep 2025	03 Jul 2026	304 Days
5 Tudor Road, Welwyn, AL6 9JU	£475,000	£465,000	-£10,000	30 Jan 2026	03 Jul 2026	154 Days
7 Becket Gardens, Welwyn, AL6 9JE	£550,000	£520,000	-£30,000	30 Jan 2026	30 Jun 2026	151 Days
20 Roman Way, Welwyn, AL6 9RJ	£799,950	£780,000	-£19,950	07 Nov 2025	26 Jun 2026	231 Days
17 Robbery Bottom Lane, Welwyn, AL6 0UL	£795,000	£775,000	-£20,000	05 Nov 2025	19 Jun 2026	226 Days
18 Welwyn Hall Gardens, Welwyn, AL6 9LF	£630,000	£607,500	-£22,500	29 Oct 2025	19 Jun 2026	233 Days
8 Hammond Close, Welwyn, AL6 9FH	£425,000	£412,000	-£13,000	24 Dec 2025	19 Jun 2026	177 Days
2 Tewin Water Farm, Hertford Road, Digswell, Welwyn, AL6 0BH	£875,000	£835,000	-£40,000	18 Jul 2025	29 May 2026	315 Days
26 Canonsfield, Welwyn, AL6 0QD	£725,000	£700,000	-£25,000	15 Oct 2025	28 May 2026	225 Days
34 Butterwick Way, Welwyn, AL6 9GH	£750,000	£730,000	-£20,000	15 Sep 2025	28 May 2026	255 Days
18 Mimram Road, Welwyn, AL6 9HA	£450,000	£435,000	-£15,000	30 May 2025	28 May 2026	363 Days
64a, New Road, Digswell, Welwyn, AL6 0AN	£1,450,000	£1,450,000	£0	10 Nov 2025	19 May 2026	190 Days
16 Oak Piece, Welwyn, AL6 0XE	£375,000	£375,000	£0	03 Feb 2026	08 May 2026	94 Days
35 Parkside, Welwyn, AL6 9DQ	£800,000	£800,000	£0	26 Jan 2026	30 Apr 2026	94 Days
10 Godfries Close, Tewin, AL6 0LQ	£750,000	£740,000	-£10,000	08 Sep 2025	17 Apr 2026	221 Days
3 Scarff Close, Welwyn, AL6 0SZ	£600,000	£595,000	-£5,000	01 Oct 2025	02 Apr 2026	183 Days
12 The Drive, Welwyn, AL6 0TR	£1,200,000	£1,200,000	£0	01 Sep 2025	31 Mar 2026	211 Days
32 Welwyn Hall Gardens, Welwyn, AL6 9LF	£630,000	£620,000	-£10,000	15 Aug 2025	31 Mar 2026	228 Days

Most Expensive Streets in AL6 (Welwyn)

Postcode	Street	Area	Average	No. of Sales
AL6 0HF	Tewin Close	Welwyn	£2,196,666	3
AL6 0AN	New Road, Digswell	Welwyn	£1,933,333	3
AL6 0NL	Burnham Green Road	Welwyn	£1,756,250	4
AL6 0HL	Orchard Road, Tewin	Welwyn	£1,669,000	5
AL6 0AQ	New Road, Digswell	Welwyn	£1,529,166	3
AL6 9TX	Rollswood Road	Welwyn	£1,518,333	3
AL6 0AT	Harmer Green Lane, Digswell	Welwyn	£1,487,000	3
AL6 0NZ	Firs Walk, Tewin Wood	Welwyn	£1,462,975	5
AL6 9UA	Rabley Heath Road	Welwyn	£1,408,125	4
AL6 9TP	Reynards Road	Welwyn	£1,395,428	7

Least Expensive Streets in AL6 (Welwyn)

Postcode	Street	Area	Average	No. of Sales
AL6 9FE	Node Way Gardens	Welwyn	£239,498	3
AL6 0TA	Great North Road	Welwyn	£306,666	3
AL6 9AU	St Marys Court	Welwyn	£314,125	8
AL6 9UJ	Beecholme, Codicote Road	Welwyn	£326,250	10
AL6 9FD	Node Way Gardens	Welwyn	£333,625	10
AL6 9LD	Lancaster Way	Welwyn	£363,850	4
AL6 9HX	London Road	Welwyn	£414,291	6
AL6 0XE	Oak Piece	Welwyn	£415,000	3
AL6 9DW	Broomfield Road	Welwyn	£431,803	3
AL6 9GE	Belgae Lodge, Tomlinson Court	Welwyn	£460,000	3