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  4. Simmonite Developments Limited

Simmonite Developments Limited

ActiveMicro-entity accountsProperty developersRotherham
Company number
10007088
Incorporated
16 Feb 201610 years trading
Registered office
24-26 Mansfield Road, Rotherham, S60 2DT
Nature of business
Development of building projects
Accounts due in
291 days
31 Jul 2027
Net assets
£2▲
+100.0% on the year before
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Simmonite Developments Limited is a 10-year-old private limited company registered in Rotherham, company number 10007088, one of 128 property development companies in Rotherham. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.

Key dates

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

Accounts due
31 Jul 2027
in 291 days
For the period to 31 Oct 2026
CT600 due
31 Oct 2027
in 383 days
Period 1 Nov 2025 to 31 Oct 2026
Corporation tax payment
1 Aug 2027
in 292 days
9 months and 1 day after the period end
Confirmation statement
1 Mar 2027
in 139 days
Last made up to 15 Feb 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 £16K (+100%) on the year before, to £2.
  • Net assets rose in 1 of 9 year-on-year comparisons on record.
  • Current assets of £9,799 against £9,797 owed within a year: 1.0 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 10 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025-£10K£028 February 2017: net assets -£358-£358201728 February 2018: net assets -£1,318-£1,318201828 February 2019: net assets -£1,963-£1,963201929 February 2020: net assets -£2,723-£2,723202028 February 2021: net assets -£3,807-£3,807202127 February 2022: net assets -£5,112-£5,112202227 February 2023: net assets -£6,912-£6,912202327 February 2024: net assets -£7,586-£7,586202431 October 2024: net assets -£16K-£16K202431 October 2025: net assets £2£22025
Net assets at each year end, 2017 to 2025-£10K£028 February 2017: net assets -£358-£358'1728 February 2018: net assets -£1,318-£1,318'1828 February 2019: net assets -£1,963-£1,963'1929 February 2020: net assets -£2,723-£2,723'2028 February 2021: net assets -£3,807-£3,807'2127 February 2022: net assets -£5,112-£5,112'2227 February 2023: net assets -£6,912-£6,912'2327 February 2024: net assets -£7,586-£7,586'2431 October 2024: net assets -£16K-£16K'2431 October 2025: net assets £2£2'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Oct 2025£2£9,799£9,7970
31 Oct 2024-£16K£357K£273K0
27 Feb 2024-£7,586£347K£354K0
27 Feb 2023-£6,912£347K£354K0
27 Feb 2022-£5,112£347K£352K0
28 Feb 2021-£3,807£241K£245K0
29 Feb 2020-£2,723£77K£79K2
28 Feb 2019-£1,963£46K£48K2
28 Feb 2018-£1,318
28 Feb 2017-£358£11K£12K

Where Simmonite Developments Limited is registered

Simmonite Developments Limited's registered office on a map of the UK

The registered office is in Rotherham (S60), in the Rotherham local authority area, Yorkshire and The Humber. Show S60 2DT on a map.

Other trade companies in S60

Also registered at this address

12 other companies use the same registered office as Simmonite Developments Limited.

What happens if Simmonite Developments 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 31 July 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Aug 2027 to 31 Aug 2027£150
1 to 3 months late1 Sep 2027 to 31 Oct 2027£375
3 to 6 months late1 Nov 2027 to 31 Jan 2028£750
More than 6 months lateFrom 1 Feb 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Nov 2027£200
3 months late31 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Oct 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
10007088
Status
Active
Company type
Private limited company
Incorporated
16 February 2016 (10 years ago)
Registered office
24-26 Mansfield Road, Rotherham, S60 2DT
Nature of business
Development of building projects (SIC 41100)
Year end
31 October (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 October 2025
Last confirmation statement
15 February 2026
Charges (mortgages)
1 outstanding of 1 registered

Filing notes for property development companies

Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.

Similar companies in Rotherham

Other active property development companies registered in Rotherham.

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Frequently asked questions

When are Simmonite Developments Limited's accounts due?

Simmonite Developments Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.

When is Simmonite Developments Limited's CT600 due?

The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.

Is Simmonite Developments Limited still trading?

Simmonite Developments 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 Simmonite Developments Limited do?

Simmonite Developments Limited is registered under Development of building projects (SIC 41100).

How old is Simmonite Developments Limited?

Simmonite Developments Limited was incorporated on 16 February 2016, 10 years ago.

What is the penalty if Simmonite Developments 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 Simmonite Developments 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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