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  4. Impulse Heating Limited

Impulse Heating Limited

ActiveMicro-entity accountsPlumbers and heating engineersDunstable
Company number
07169253
Incorporated
25 Feb 201016 years trading
Registered office
152 Union Street, Union Street, Dunstable, LU6 1HB
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
49 days
30 Nov 2026
From the Companies House register, 1 Oct 2026

Impulse Heating Limited is a 16-year-old private limited company registered in Dunstable, company number 07169253, one of 77 plumbing and heating companies in Dunstable. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
30 Nov 2026
in 49 days
For the period to 28 Feb 2026
CT600 due
28 Feb 2027
in 139 days
Period 1 Mar 2025 to 28 Feb 2026
Corporation tax payment
1 Dec 2026
in 50 days
9 months and 1 day after the period end
Confirmation statement
2 Dec 2026
in 51 days
Last made up to 18 Nov 2025

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Finances

From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.

  • Net assets up £4,119 (+41.2%) on the year before, to -£5,875.
  • Net assets rose in 4 of 9 year-on-year comparisons on record.
  • Current assets of £7,767 against £14K owed within a year: 0.6 times cover.
  • 2 employees on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025-£10K£0£10K29 February 2016: net assets £12K£12K201628 February 2017: net assets £9,355£9,355201728 February 2018: net assets £286£286201828 February 2019: net assets £9,839£9,839201929 February 2020: net assets £2,671£2,671202028 February 2021: net assets -£7,085-£7,085202128 February 2022: net assets -£3,866-£3,866202228 February 2023: net assets -£14K-£14K202328 February 2024: net assets -£9,994-£9,994202428 February 2025: net assets -£5,875-£5,8752025
Net assets at each year end, 2016 to 2025-£10K£0£10K29 February 2016: net assets £12K£12K'1628 February 2017: net assets £9,355£9,355'1728 February 2018: net assets £286£286'1828 February 2019: net assets £9,839£9,839'1929 February 2020: net assets £2,671£2,671'2028 February 2021: net assets -£7,085-£7,085'2128 February 2022: net assets -£3,866-£3,866'2228 February 2023: net assets -£14K-£14K'2328 February 2024: net assets -£9,994-£9,994'2428 February 2025: net assets -£5,875-£5,875'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
28 Feb 2025-£5,875£7,767£14K2
28 Feb 2024-£9,994£9,958£20K2
28 Feb 2023-£14K£8,536£21K2
28 Feb 2022-£3,866£7,782£9,8681
28 Feb 2021-£7,085£11K£17K2
29 Feb 2020£2,671£8,534£11K0
28 Feb 2019£9,839£18K£13K2
28 Feb 2018£286£8,832£14K2
28 Feb 2017£9,355£1,676£7,221£4,411
29 Feb 2016£12K£1,562£16K£8,233

Where Impulse Heating Limited is registered

Impulse Heating Limited's registered office on a map of the UK

The registered office is in Dunstable (LU6), in the Central Bedfordshire local authority area, East of England. Show LU6 1HB on a map.

Other trade companies in LU6

What happens if Impulse Heating Limited files late

Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 November 2026.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Dec 2026 to 31 Dec 2026£150
1 to 3 months late1 Jan 2027 to 28 Feb 2027£375
3 to 6 months late1 Mar 2027 to 31 May 2027£750
More than 6 months lateFrom 1 Jun 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Mar 2027£200
3 months late28 May 2027another £200
6 months late28 Aug 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late28 Feb 2028another 10% of any unpaid tax

For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.

Company details

As held on the Companies House register.

Company number
07169253
Status
Active
Company type
Private limited company
Incorporated
25 February 2010 (16 years ago)
Registered office
152 Union Street, Union Street, Dunstable, LU6 1HB
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
28 February (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
28 February 2025
Last confirmation statement
18 November 2025

Filing notes for plumbing and heating companies

Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.

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Frequently asked questions

When are Impulse Heating Limited's accounts due?

Impulse Heating Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.

When is Impulse Heating Limited's CT600 due?

The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.

Is Impulse Heating Limited still trading?

Impulse Heating Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.

What does Impulse Heating Limited do?

Impulse Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Impulse Heating Limited?

Impulse Heating Limited was incorporated on 25 February 2010, 16 years ago.

What is the penalty if Impulse Heating Limited files its accounts late?

Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.

Official records

View Impulse Heating Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.

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