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  4. CS Developments (South) Limited

CS Developments (South) Limited

ActiveMicro-entity accountsProperty developersSouthampton
Company number
11559019
Incorporated
7 Sep 20188 years trading
Registered office
Stag Gates House, 63/64 the Avenue, Southampton, Hampshire, SO17 1XS
Nature of business
Development of building projects; Buying and selling of own real estate
Accounts due in
444 days
30 Dec 2027
Net assets
£199K▲
+0.2% on the year before
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

CS Developments (South) Limited is a 8-year-old private limited company registered in Southampton, company number 11559019, one of 399 property development companies in Southampton. Its next accounts are due at Companies House on 30 December 2027, and the CT600 for the period to 30 March 2027 is due at HMRC on 30 March 2028.

Key dates

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

Accounts due
30 Dec 2027
in 444 days
For the period to 30 Mar 2027
CT600 due
30 Mar 2028
in 535 days
Period 1 Apr 2026 to 30 Mar 2027
Corporation tax payment
31 Dec 2027
in 445 days
9 months and 1 day after the period end
Confirmation statement
20 Sep 2027
in 343 days
Last made up to 6 Sep 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 £371 (+0.2%) on the year before, to £199K.
  • Net assets rose in 3 of 6 year-on-year comparisons on record.
  • Current assets of £847K against £699K owed within a year: 1.2 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 7 years, 2019 to 2026.

Net assets by year

Net assets at each year end, 2019 to 2026-£500K£030 September 2019: net assets -£578K-£578K201931 March 2021: net assets -£913K-£913K202131 March 2022: net assets -£865K-£865K202231 March 2023: net assets £213K£213K202331 March 2024: net assets £208K£208K202431 March 2025: net assets £198K£198K202531 March 2026: net assets £199K£199K2026
Net assets at each year end, 2019 to 2026-£500K£030 September 2019: net assets -£578K-£578K'1931 March 2021: net assets -£913K-£913K'2131 March 2022: net assets -£865K-£865K'2231 March 2023: net assets £213K£213K'2331 March 2024: net assets £208K£208K'2431 March 2025: net assets £198K£198K'2531 March 2026: net assets £199K£199K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£199K£847K£699K0
31 Mar 2025£198K£203K£4,6320
31 Mar 2024£208K£209K£7801
31 Mar 2023£213K£267K£54K1
31 Mar 2022-£865K£269K£1.1M1
31 Mar 2021-£913K£133K£1M0
30 Sep 2019-£578K£70K£91K£670K1

Who runs and owns CS Developments (South) Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officer

NameRoleAppointed
C*** B***DirectorSep 2018

People with significant control (2)

Individual · since Sep 2018
S*** B***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Individual · since Sep 2018
C*** B***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes

Where CS Developments (South) Limited is registered

CS Developments (South) Limited's registered office on a map of the UK

The registered office is in Southampton (SO17), in the Southampton local authority area, South East. Show SO17 1XS on a map.

Other trade companies in SO17

Shared registered office

33 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.

What happens if CS Developments (South) 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 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late31 Dec 2027 to 30 Jan 2028£150
1 to 3 months late31 Jan 2028 to 30 Mar 2028£375
3 to 6 months late31 Mar 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late31 Mar 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Mar 2029another 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
11559019
Status
Active
Company type
Private limited company
Incorporated
7 September 2018 (8 years ago)
Registered office
Stag Gates House, 63/64 the Avenue, Southampton, Hampshire, SO17 1XS
Nature of business
Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100)
Year end
30 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2026
Last confirmation statement
6 September 2026

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 Southampton

Other active property development companies registered in Southampton.

All property development companies in Southampton · All trades in Southampton · Property developers across the UK

Frequently asked questions

When are CS Developments (South) Limited's accounts due?

CS Developments (South) Limited's next accounts are due at Companies House by 30 December 2027 (in 444 days), covering the period to 30 March 2027.

When is CS Developments (South) Limited's CT600 due?

The CT600 for the period to 30 March 2027 is due at HMRC by 30 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2027.

Is CS Developments (South) Limited still trading?

CS Developments (South) 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 CS Developments (South) Limited do?

CS Developments (South) Limited is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100).

How old is CS Developments (South) Limited?

CS Developments (South) Limited was incorporated on 7 September 2018, 8 years ago.

Who runs CS Developments (South) Limited?

CS Developments (South) Limited has 1 active director, the longest-serving appointed in Sep 2018. Their names and service addresses are on the Companies House register.

Who owns CS Developments (South) Limited?

2 people or companies have significant control of CS Developments (South) Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).

What is the penalty if CS Developments (South) 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 CS Developments (South) 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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