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  4. Jonathan Martin Watts Ltd

Jonathan Martin Watts Ltd

ActiveTotal exemption (full) accountsSpecialist contractorsLondon
Company number
09013323
Incorporated
28 Apr 201412 years trading
Registered office
53B Hichisson Road, Nunhead, London, SE15 3AN
Nature of business
Other specialised construction activities n.e.c.
Accounts due in
110 days
31 Jan 2027
Net assets
£1,436▲
+118.2% on the year before
Cash at bank
£2,822▼
At 30 Apr 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Jonathan Martin Watts Ltd is a 12-year-old private limited company registered in London, company number 09013323, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.

Key dates

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

Accounts due
31 Jan 2027
in 110 days
For the period to 30 Apr 2026
CT600 due
30 Apr 2027
in 199 days
Period 1 May 2025 to 30 Apr 2026
Corporation tax payment
1 Feb 2027
in 111 days
9 months and 1 day after the period end
Confirmation statement
12 May 2027
in 211 days
Last made up to 28 Apr 2026

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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 £778 (+118.2%) on the year before, to £1,436.
  • Net assets rose in 4 of 7 year-on-year comparisons on record.
  • Current assets of £26K against £24K owed within a year: 1.1 times cover.
  • 1 employee 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, 2018 to 2025£0£1,00030 April 2018: net assets £134£134201830 April 2019: net assets £803£803201930 April 2020: net assets £488£488202030 April 2021: net assets £957£957202130 April 2022: net assets £1,761£1,761202230 April 2023: net assets £765£765202330 April 2024: net assets £658£658202430 April 2025: net assets £1,436£1,4362025
Net assets at each year end, 2018 to 2025£0£1,00030 April 2018: net assets £134£134'1830 April 2019: net assets £803£803'1930 April 2020: net assets £488£488'2030 April 2021: net assets £957£957'2130 April 2022: net assets £1,761£1,761'2230 April 2023: net assets £765£765'2330 April 2024: net assets £658£658'2430 April 2025: net assets £1,436£1,436'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Apr 2025£1,436£2,822£26K£24K1
30 Apr 2024£658£9,603£22K£21K1
30 Apr 2023£765£5,715£20K£19K1
30 Apr 2022£1,761£6,945£18K£16K1
30 Apr 2021£957£17K£22K£22K1
30 Apr 2020£488£5,096£11K£11K1
30 Apr 2019£803£1,866£11K£9,912
30 Apr 2018£134£1,661£12K£12K
30 Apr 2017£99
30 Apr 2016£676£1,955£12K£12K

Where Jonathan Martin Watts Ltd is registered

Jonathan Martin Watts Ltd's registered office on a map of the UK

The registered office is in London (SE15), in the Southwark local authority area, London. Show SE15 3AN on a map.

Other trade companies in SE15

What happens if Jonathan Martin Watts Ltd 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 31 January 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Feb 2027 to 28 Feb 2027£150
1 to 3 months late1 Mar 2027 to 30 Apr 2027£375
3 to 6 months late1 May 2027 to 31 Jul 2027£750
More than 6 months lateFrom 1 Aug 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 May 2027£200
3 months late30 Jul 2027another £200
6 months late30 Oct 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Apr 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
09013323
Status
Active
Company type
Private limited company
Incorporated
28 April 2014 (12 years ago)
Registered office
53B Hichisson Road, Nunhead, London, SE15 3AN
Nature of business
Other specialised construction activities n.e.c. (SIC 43999)
Year end
30 April (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 April 2025
Last confirmation statement
28 April 2026

Filing notes for specialist construction companies

Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.

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Frequently asked questions

When are Jonathan Martin Watts Ltd's accounts due?

Jonathan Martin Watts Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.

When is Jonathan Martin Watts Ltd's CT600 due?

The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.

Is Jonathan Martin Watts Ltd still trading?

Jonathan Martin Watts Ltd 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 Jonathan Martin Watts Ltd do?

Jonathan Martin Watts Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).

How old is Jonathan Martin Watts Ltd?

Jonathan Martin Watts Ltd was incorporated on 28 April 2014, 12 years ago.

What is the penalty if Jonathan Martin Watts Ltd 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 Jonathan Martin Watts Ltd 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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