The borough average was £560,436 in June, unchanged on the month and £25,497 below its October 2022 record. Three Hertfordshire districts hit new highs.

The average home in Hertsmere sold for £560,436 in June 2026, according to figures HM Land Registry published on Wednesday. That is £25,497 less than the borough’s own record high, set in October 2022, and it is where the interest is.

Hertfordshire as a county set a record in June. So did St Albans, East Hertfordshire and North Hertfordshire. Hertsmere did not, and it has not set one for 44 months.

The borough’s average did not move at all between May and June: a monthly change of 0.0%, one of only ten districts in England to record no movement either way. Over twelve months prices were up 2.6%, ahead of England’s 1.8% but behind the county’s 3.5%.

Still behind 2022

The UK House Price Index sets its index at 100 for January 2023. Hertsmere’s reading in June was 98.6, so the borough is still worth slightly less than it was at that base date. England’s reading is 102.6. Hertsmere last sat at or above 100 in April 2023.

Measured against each district’s own record month rather than a shared base, the county splits in two.

How far each Hertfordshire district sits below its own record average house price Bar chart of the gap between the June 2026 average price and each district's highest recorded average. East Hertfordshire, North Hertfordshire and St Albans are at their records, a gap of zero. Dacorum is 1.9 per cent below, Welwyn Hatfield 2.6 per cent, Broxbourne 2.8 per cent, Stevenage 3.5 per cent, Hertsmere 4.4 per cent, Three Rivers 5.5 per cent and Watford 6.1 per cent. Three Hertfordshire districts are at a record. Hertsmere is 4.4% short Gap between the June 2026 average price and each district's own highest recorded average, per cent. East Hertfordshire North Hertfordshire St Albans Dacorum Welwyn Hatfield Broxbourne Stevenage Hertsmere Three Rivers Watford at record at record at record 1.9% 2.6% 2.8% 3.5% 4.4% 5.5% 6.1% Source: HM Land Registry, UK House Price Index, June 2026 release, full file of every reported month since 2004. Records were set in June 2026 (East Hertfordshire, North Hertfordshire, St Albans), March 2026 (Broxbourne), November 2025 (Dacorum), November 2022 (Stevenage), October 2022 (Hertsmere, Watford), September 2022 (Three Rivers) and August 2022 (Welwyn Hatfield). Graphic by The Borehamwood Post
Hertsmere's record was set nearly four years ago. Three of its neighbours set theirs in June.

The full comparison, with each district’s record month:

Hertfordshire districts, June 2026 average price against their own record high (UK House Price Index)
DistrictJune 2026Record highSetGap
St Albans£651,448£651,448June 2026at record
North Hertfordshire£422,616£422,616June 2026at record
East Hertfordshire£460,778£460,778June 2026at record
Dacorum£459,438£468,533November 2025-1.9%
Welwyn Hatfield£450,696£462,678August 2022-2.6%
Broxbourne£406,678£418,526March 2026-2.8%
Stevenage£323,429£335,157November 2022-3.5%
Hertsmere£560,436£585,933October 2022-4.4%
Three Rivers£580,120£613,919September 2022-5.5%
Watford£396,385£422,350October 2022-6.1%

The pattern is not random. The three districts furthest from their records are the three that border Greater London: Watford, Three Rivers and Hertsmere. The three setting records are further north, and all three were cheaper to start with.

Hertsmere is still the third most expensive place to buy in Hertfordshire, behind St Albans at £651,448 and Three Rivers at £580,120. Being expensive and being on the way up have turned out to be different things.

What £560,436 hides

The borough average is a mean, not a median, and it covers four towns that share almost nothing except a council. It also flattens an enormous spread by property type.

Hertsmere average price by property type, June 2026, with the annual change
TypeAverageChange over 12 months
Detached£1,217,747+1.6%
Semi-detached£629,323+3.9%
Terraced£496,763+3.7%
Flat£299,527+1.2%

A detached house in Hertsmere now averages over £1.2m, four times the average flat. The middle of the market moved fastest over the year: semis up 3.9% and terraces up 3.7%, against 1.6% for detached homes and 1.2% for flats. The gap between a flat and a semi in this borough is £329,796.

First-time buyers paid an average of £417,101, up 2.7% over the year. Across England the equivalent figure is £245,450. A first home in Hertsmere costs a first-time buyer 70% more than a first home in England as a whole.

Where Hertsmere sits nationally

Among the 295 local authority districts in England, Hertsmere’s 2.6% annual increase ranks 142nd from the bottom, so a little below the middle. Sixty-two districts recorded a fall.

That is the honest reading of June: not a slump, not a recovery, and a borough that has spent nearly four years going sideways while the county around it moved on.

A note on last month’s figure

The index is revised as more sales are registered, and May was revised down in this release. When it was first published, May’s Hertsmere average was £562,261 with an annual rise of 2.8%. In the June file, the same month reads £560,342 and 2.4%, a cut of £1,919.

That matters if you saw the May number quoted anywhere, including on our own Borehamwood house prices page, which we have updated. It also explains why June looks flat: the starting point moved, not the finish.

What it means for you

If you are selling, the borough average has stayed within £5,000 of £560,000 every month since January. Nothing in this release supports holding out for a rising market, and nothing supports panic either. Detached sellers have the weakest hand: those homes rose 1.6% over the year while semis rose 3.9%.

If you are buying, the flat market is the softest part of the borough, up 1.2% over the year and averaging £299,527. That is the one segment where an offer below asking has the data behind it.

If you are a first-time buyer, £417,101 is the average, and it is not falling. It rose 2.7% over twelve months, faster than the borough as a whole.

If you are comparing with next door, be careful which neighbour you pick. Watford is 6.1% off its record and Barnet is down 2.9% over the year at £603,753, but St Albans is at an all-time high. The county is not moving as one market.

The next release, covering July 2026, is due from HM Land Registry in September.

Sources

Update, 17 September 2026: HM Land Registry’s July release revised Hertsmere’s June average up to £562,455, from the £560,436 reported here, and May down to £557,293. The July average fell to £548,704. Our report on the July figures has the detail.