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Welwyn House Prices

The average house price in Welwyn is £522,500 using HM Land Registry data.

The average property price increased by £6,154 (1.08%) over the last 5 years and increased by £1,231 (0.21%) over the last 12 months.

Over the last year, there were 26 residential property sales – a decrease of 32 transactions (-123.08%) relative to the previous year. The majority of house sales (7) were in the £350,000 - £460,000 range. Then came properties in the £570,000 - £680,000 range, where 5 were sold within this price bracket.

Excluding fall throughs, properties are taking an average of 164 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 3 new estate agency instructions, 2 agreed home sales and 6 property price reductions.

5-Year Average Property Prices in Welwyn

1.08%

Property prices in Welwyn increased by 1.08% 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 Welwyn Over the Last Year

0.21%

Property prices in Welwyn increased by 0.21% 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 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 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 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 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 Welwyn since 1995

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

Recent Property Sales in Welwyn

Address	Initial Price	Sold Price	Price Change	First Listed Date	Sold Date	Days to Sell
49 London Road, Welwyn, AL6 9HY	£600,000	£580,000	-£20,000	07 Jan 2026	10 Jul 2026	184 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
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
18 Mimram Road, Welwyn, AL6 9HA	£450,000	£435,000	-£15,000	30 May 2025	28 May 2026	363 Days
35 Parkside, Welwyn, AL6 9DQ	£800,000	£800,000	£0	26 Jan 2026	30 Apr 2026	94 Days
32 Welwyn Hall Gardens, Welwyn, AL6 9LF	£630,000	£620,000	-£10,000	15 Aug 2025	31 Mar 2026	228 Days
19 Welwyn Hall Gardens, Welwyn, AL6 9LF	£630,000	£620,000	-£10,000	06 Oct 2025	24 Mar 2026	169 Days
5 Elmoor Close, Welwyn, AL6 9PF	£725,000	£696,500	-£28,500	21 Apr 2025	11 Mar 2026	324 Days
12 Welwyn By Pass Road, Welwyn, AL6 9FJ	£450,000	£445,000	-£5,000	03 Oct 2025	10 Feb 2026	130 Days
6 North Ride, Welwyn, AL6 9RD	£1,100,000	£1,075,000	-£25,000	27 Mar 2025	12 Jan 2026	291 Days
22 Broomfield Road, Welwyn, AL6 9DW	£465,000	£426,000	-£39,000	21 Jun 2025	19 Dec 2025	181 Days
80 Node Way Gardens, Welwyn, AL6 9FE	£250,000	£240,000	-£10,000	21 May 2025	14 Nov 2025	177 Days
20 Stuart Road, Welwyn, AL6 9JN	£475,000	£470,000	-£5,000	14 Oct 2025	31 Oct 2025	17 Days
7 Church Place, Welwyn, AL6 9FB	£450,000	£440,000	-£10,000	10 Mar 2025	29 Oct 2025	233 Days
7 Kingsdale House, Windsor Road, Welwyn, AL6 9LA	£210,000	£210,000	£0	15 May 2025	28 Oct 2025	166 Days
24 Welwyn Hall Gardens, Welwyn, AL6 9LF	£625,000	£602,000	-£23,000	17 Jun 2025	09 Oct 2025	114 Days
19 Norman Road, Welwyn, AL6 9JW	£680,000	£680,000	£0	08 Aug 2025	01 Oct 2025	54 Days

Most Expensive Streets in Welwyn

Postcode	Street	Area	Average	No. of Sales
AL6 9RD	North Ride	Welwyn	£1,168,333	3
AL6 9GS	Guessens Mews	Codicote Road	£1,070,000	7
AL6 9RF	Carleton Rise	Welwyn	£946,666	3
AL6 9RE	Blakes Way	Welwyn	£847,500	5
AL6 9LT	Wendover Drive	Welwyn	£833,000	5
AL6 9PA	Elmoor Avenue	Welwyn	£765,000	3
AL6 9PH	School Lane	Welwyn	£741,428	7
AL6 9HB	Ellesfield	Welwyn	£737,700	5
AL6 9RN	Kindersley Close	Welwyn	£734,525	4
AL6 9RG	Carleton Rise	Welwyn	£716,250	4

Least Expensive Streets in Welwyn

Postcode	Street	Area	Average	No. of Sales
AL6 9FE	Node Way Gardens	Welwyn	£239,498	3
AL6 9AU	St Marys Court	Welwyn	£314,125	8
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 9DW	Broomfield Road	Welwyn	£431,803	3
AL6 9JG	The Crescent	Welwyn	£465,000	3
AL6 9FJ	Welwyn By Pass Road	Welwyn	£471,750	4
AL6 9JE	Becket Gardens	Welwyn	£473,846	13
AL6 9DQ	Parkside	Welwyn	£484,850	10