The average selling price of completions rose to £206,000 from £188,000 in the first half of 2013, while the average selling price on private completions jumped by nine per cent to £224,000, thanks to a "wider housing market improvement".
In its trading update, Taylor Wimpey also said it was on track to deliver an increase in operating margin of at least 300 basis points.
After years of a stagnating economy cutting into customer numbers, the FTSE 250 company said there had been "market-led house price increases across all of our regional markets", with consumer confidence remaining positive.
Housebuilders have enjoyed a dramatic recovery over the past year thanks in part to the government's controversial Help to Buy scheme and improving consumer confidence, which has helped fuel demand for new homes.
Prices have soared as a supply of new homes fails to keep up with demand.
Back in May the much improved housing market had given the group the confidence to set new targets for 2015 to 2017, including a higher average operating margin of 20 per cent over the three-year period.
It also hopes to achieve a return on net operating assets of at least 20 per cent per year and an average increase in net assets of 15 per cent per year.
This compares to its previous targets of 15 per cent and 10 per cent.