Hertsmere.
Conservative and Unionist Party MP Oliver Dowden holds the seat on 44.7% of the vote — a split-council geography across 2 councils.
2 Jun 2026
Dowden's most notable recent act was backing assisted dying at Third Reading in June 2025 -- voting with Labour rebels to pass the Terminally Ill Adults (End of Life) Bill against his own party's majority. His position on the bill's detail was nuanced: he voted against two amendments but supported a third that would have closed the voluntary starvation loophole, suggesting qualified rather than unconditional support for the legislation as drafted. At 97.8% party alignment overall, these were rare deviations from the Conservative line.
His parliamentary pattern is broad and active. At 63% participation he falls below the Commons average, though this is not unusual for a former Cabinet minister -- Dowden served as Deputy Prime Minister until 2024. He speaks most frequently on the economy, defence, and fiscal policy, consistent with his senior frontbench background. Constituency work has been visible: he raised a contested Potters Bar HMO development in Parliament, met NHS trust leadership over mental health provision in Hertfordshire, challenged a care home provider over "repeated failures," and publicly defended parents arrested in a policing dispute he called an "incredible over-reach." His stance data shows notably stronger support for pension protection and armed forces welfare than his Conservative colleagues, and he aligns closely with Lords scrutiny positions (100%) -- reflected in his votes backing House of Lords amendments against the government on the English Devolution and Pension Schemes Bills.
Dowden holds no current committee seats, leaving his main formal outlet as chamber debates and written interventions. News coverage over the past 90 days -- 65 articles -- skews local, with education coverage carrying the most positive sentiment. Voting data and news archives are available from 2015; speech records are patchy for earlier periods.
Ward-level direction-of-travel: who controls what, who flipped recently, who holds the line. Each ward links to the council that runs it.
| Ward | Latest winner | Votes | Council | Last cycle |
|---|---|---|---|---|
| Aldenham East(2 seats) | Rosehill · Selby | 1,820 | Hertsmere Con | May 2023 |
| Aldenham West(2 seats) | Clapper · Lambert | 1,634 | Hertsmere Con | May 2023 |
| Bentley Heath The Royds | John Martin Graham | 700 | Hertsmere Con | May 2026 |
| Borehamwood Brookmeadow | Glenn Briski | 478 | Hertsmere Con | Jul 2025 |
| Borehamwood Cowley Hill(3 seats) | Newmark · Smith · Butler | 2,803 | Hertsmere Con | May 2023 |
| Borehamwood Hillside(3 seats) | Kaza · Clarkson · Collins | 2,382 | Hertsmere Con | May 2023 |
| Borehamwood Kenilworth(3 seats) | Oakley · Rani · Kaza | 3,144 | Hertsmere Con | May 2023 |
| Bushey Heath(2 seats) | Morris · Quilty | 1,585 | Hertsmere Con | May 2023 |
| Bushey Park(3 seats) | Amron · Allen · Shah | 3,477 | Hertsmere Con | May 2023 |
| Bushey St James(3 seats) | Shenton · Handley · Ponder | 3,137 | Hertsmere Con | May 2023 |
| Elstree(2 seats) | Cohen · Bright | 1,677 | Hertsmere Con | May 2023 |
| Northaw Cuffley | Brian Seeger | 1,175 | Welwyn Hatfield LD | May 2026 |
| Potters Bar Furzefield(2 seats) | Myers · Gray | 1,647 | Hertsmere Con | May 2023 |
| Potters Bar Oakmere(2 seats) | Georgiou · Hodgson-Jones | 1,275 | Hertsmere Con | May 2023 |
| Potters Bar Parkfield(2 seats) | Sachdev · Sullivan | 1,545 | Hertsmere Con | May 2023 |
| Shenley(2 seats) | Susman · Hodgson-Jones | 1,181 | Hertsmere Con | May 2023 |
Source · Democracy Club · DCLEAPIL v1.0 (CC BY-SA 4.0)
The seat’s population is concentrated in Borehamwood (39,680), with Potters Bar (22,541) as the second pole. Total population across named built-up areas: 104,280.
Source · ONS Built-Up Areas · Census 2021
| Settlement | Pop. | Class |
|---|---|---|
| Borehamwood | 39,680 | large town |
| Potters Bar | 22,541 | town |
| Bushey | 17,845 | large town |
| Radlett | 8,185 | town |
| Rural & dispersed | 5,017 | town |
| Shenley | 4,324 | village |
Headline indicators.
| Indicator | Local | National | Δ |
|---|---|---|---|
| Employment rate | 60.8% | 57.1% | +6% |
| Owner-occupied | 66.4% | 63.1% | +5% |
| Private rented | 16.9% | 20.0% | -16% |
| Social rented | 16.7% | 16.8% | -1% |
Ethnicity.
Source · Census 2021
Population by age & sexCensus 2021 · 18 bands · click to expand
Source · Census 2021 (ONS) · % of usual residents; tick marks the median seat per band
Income tax contribution.
| Total income tax | £783m |
| Taxpayers | 57,000 |
| Median per taxpayer | £3,790 |
| Mean per taxpayer | £13,800 |
Source · HMRC SPI · ±8% confidence
Where the money flows back in.
This constituency is served by Hertsmere and Welwyn Hatfield. Each council’s service spend, peer rank and supplier list lives on its own page — open from the meta block above or the compass strip below.
Move the income slider on My place to see income tax, NI, VAT and council tax against your earnings — the household lens.
Headline rate.
By category.
Source · data.police.uk · 3-month rate per 1,000 pop
2024 — full result.
| Candidate | Votes | % | |
|---|---|---|---|
| Oliver DowdenWON | Con | 21,451 | 44.7 |
| Josh Tapper | Lab | 13,459 | 28.0 |
| Darren Selkus | Ref | 6,584 | 13.7 |
| Emma Matanle | LD | 3,710 | 7.7 |
| John Humphries | Grn | 2,267 | 4.7 |
| Ray Bolster | Ind | 536 | 1.1 |
Turnout 48,007
Prior contests.
| Year | Winner | % | |
|---|---|---|---|
| 2019 | Oliver Dowden | Con | 62.5 |
| 2017 | Oliver Dowden | Con | 61.1 |
| 2015 | Oliver Dowden | Con | 59.3 |
| 2010 | Clappison, James | Con | 56.0 |
Sources, methods & last update
2023 boundary review
DCLEAPIL v1.0 (CC BY-SA 4.0)
Census 2021
National avg over 575 seats
±8% confidence
LSOA-aggregated · rolling 12mo