Radlett were not hanging about as they kept the pressure on Herts Cricket League Premiership leaders Potters Bar.
The visitors to Cobden Hill, Bishop's Stortford, won the toss and elected to bat, but that was the last time they were truly in command of the contest.
Radlett bowled them out for 95 in the 39th over, Hayden Goulstone taking 4-24 and Kabir Toor a hugely impressive 4-11 in 8.4 overs.
The expected early finish duly arrived when the target was reached inside 30 overs, but the home side's batting was not especially comfortable either, finishing eight men down.
It needed a stand of 36 from Tom Jenkins and Abhijay Singh to steady the ship after they had been floundering at 57-7.
Jenkins finished on a patient 19 while Singh got 25 off 27 deliveries, hitting the winning runs with a four.
Harpenden are in eighth, 26 points and one position above Welwyn Garden City in the relegation play-off place, after a home draw with West Herts.
They batted first and declared after 57 overs with the score on 285-6.
Danyaal Khalid top-scored with 93, a knock that contained eight fours and four sixes, and he had the biggest partnership of the innings too, putting on 76 for the fifth wicket with Andrew Neal.
Neal then went on to add another 63 for the sixth wicket, his dismissal for 63 coming a little more than two overs before the declaration.
That left Usman Farooq unbeaten on 56, an explosive piece of batting which saw him face just 39 balls and hit six fours and two maximums.
And Harpenden looked good value for the win when they had West Herts struggling at 112-7.
However, Bill Gage and Lee Tyrell stuck around together, adding 62 for the eighth wicket.
Gage went for 41 but Tyrell (25*) and Ahsan Sajjad (23*) proved immovable, the pair seeing out a little more than 11 overs with West Herts finishing on 203-8 from 68 overs.
Nick Lamb was the pick of the Harpenden bowlers, finishing on 3-28, while Neal managed 2-51.
St Albans and Redbourn both drew as well in the Championship, against Dunstable Town and Hemel Hempstead respectively.
Playing away, Saints had bowled Town out for 256, Connor Mitchell and Max Capaldi the main men, bowling a combined 38.3 overs and finishing with 4-71 and 4-78.
St Albans were then reduced to 112-6 in the 39th over and still 21 overs to go.
There wouldn't be another wicket though as Chris Mude (49*) and Mitchell (59*) batted until the close.
They didn't ever get close enough to make you believe Albans could win but they did finish just 43 runs short on 213-6.
Redbourn's draw also came on the road.
They had put Hemel into bat and the home side made 297-5 in their 60 overs, Conor Yorath taking 3-44.
Redbourn though needed a superb final-wicket pairing between Callum Moyle and Daniel Darvell to avoid defeat.
The duo came together with the score on 115-9 and 13 overs to go.
But Moyle scored 40 from 43, with eight boundaries, while Darvell managed 30 in 39 balls, hitting five fours.
That leaves Redbourn in sixth with St Albans one place below them, both teams on 109 points.
Shenley Village remain top after an eight-wicket win over Hoddesdon.
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