§ Mr. Austin MitchellTo ask the Chancellor of the Exchequer whether he has information from the family expenditure survey, the survey of personal incomes and from the building societies which enable him to estimate the distribution of mortgage interest relief by marital status as well as by range of total income.
§ Mr. Norman LamontInformation on the distribution of mortgage interest relief by marital status and by range of total income is available from projections of the data from the 1986–87 "Survey of Personal Incomes" and the 1986 "Family Expenditure Survey". However, all estimates are provisional and those for marital status are rather tentative because of lack of firm data.
Latest estimates for 1989–90 based on the assumption that interest rates remain at current levels for the rest of 1989–90 are given in the table. The estimates include mortgages formerly under the option mortgage scheme which are now subsumed within MIRAS.
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Tax units receiving mortgage interest relief by marital status and range of total income 1989–90 Range of total income Number of tax units with mortgage interest relief Average value of relief per mortgagor Cost of relief Thousands £ £ million Singles Up to £5,000 300 430 130 £5,001 to £10,000 810 630 510 £10,001 to £15,000 660 670 440 £15,001 to £20,000 400 810 330 £20,001 to £25,000 190 850 160 £25,001 to £30,000 80 1,110 80 over £30,000 100 1,430 140 Total 2,540 700 1,790 Married couples Up to £5,000 340 540 180 £5,001 to £10,000 890 570 510 £10,001 to £15,000 1,600 650 1,040 £15,001 to £20,000 1,480 690 1,020 £20,001 to £25,000 1,010 700 710 £25,001 to £30,000 530 820 440 over £30,000 910 1,170 1,060 Total 6,760 730 4,960 Total income Up to £5,000 640 490 310 £5,001 to £10,000 1,700 600 1,020 £10,001 to £15,000 2,260 660 1,480 £15,001 to £20,000 1,880 720 1,350 £20,001 to £25,000 1,200 720 870 £25,001 to £30,000 610 860 520 over £30,000 1,010 1,200 1,200
Range of total income Number of tax units with mortgage interest relief Average value of relief per mortgagor Cost of relief Thousands £ £ million Total 9,300 730 6,750
§ Mr. Austin MitchellTo ask the Chancellor of the Exchequer whether he has made estimates of the revenue cost of the introduction of separate taxation; and if he will publish in theOfficial Report a table showing by range of total income for two-earner married couples the number of wives earning (i) more and (ii) less than the single allowance.
§ Mr. Norman LamontIt is estimated that the revenue cost of the introduction of independent taxation will be approximately £500 million in the first year, 1990–91, and approximately £1.2 billion in 1991–92.
The number of wives earning more than the single allowance in 1990–91 by range of total income for example is given in the table. The figures are estimates based on a projection of the 1986–87 "Survey of Personal Incomes" and are therefore provisional. I regret that it is not possible to provide reliable estimates of total income for couples where the wife earns for the number of wives earning less than the single allowance.
Number of wives earning more than single allowance, 1989–90, by range of total income of the married couple Range of total income of married couple (lower limit) Thousands (£) 1 110 5,000 310 10,000 580 15,000 990 20,000 1,420 30,000 450 40,000 150 50,000 150 Total 4,160