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  4. Roundset Developments Ltd

Roundset Developments Ltd

ActiveTotal exemption (full) accountsBuildersWinchester
Company number
00655653
Incorporated
6 Apr 196066 years trading
Registered office
Innovations House, 19 Staple Gardens, Winchester, SO23 8SR
Nature of business
Construction of commercial buildings; Construction of domestic buildings
Accounts due in
86 days
7 Jan 2027
Net assets
-£181K
+0.0% on the year before
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

Roundset Developments Ltd is a 66-year-old private limited company registered in Winchester, company number 00655653, one of 71 building contractors in Winchester. Its next accounts are due at Companies House on 7 January 2027, and the CT600 for the period to 7 April 2026 is due at HMRC on 7 April 2027.

Key dates

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

Accounts due
7 Jan 2027
in 86 days
For the period to 7 Apr 2026
CT600 due
7 Apr 2027
in 176 days
Period 8 Apr 2025 to 7 Apr 2026
Corporation tax payment
8 Jan 2027
in 87 days
9 months and 1 day after the period end
Confirmation statement
5 Mar 2027
in 143 days
Last made up to 19 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 unchanged on the year before, at -£181K.
  • Net assets rose in 0 of 9 year-on-year comparisons on record.
  • 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-£100K£07 April 2016: net assets -£177K-£177K20167 April 2017: net assets -£179K-£179K20177 April 2018: net assets -£180K-£180K20187 April 2019: net assets -£181K-£181K20197 April 2020: net assets -£181K-£181K20207 April 2021: net assets -£181K-£181K20217 April 2022: net assets -£181K-£181K20227 April 2023: net assets -£181K-£181K20237 April 2024: net assets -£181K-£181K20247 April 2025: net assets -£181K-£181K2025
Net assets at each year end, 2016 to 2025-£100K£07 April 2016: net assets -£177K-£177K'167 April 2017: net assets -£179K-£179K'177 April 2018: net assets -£180K-£180K'187 April 2019: net assets -£181K-£181K'197 April 2020: net assets -£181K-£181K'207 April 2021: net assets -£181K-£181K'217 April 2022: net assets -£181K-£181K'227 April 2023: net assets -£181K-£181K'237 April 2024: net assets -£181K-£181K'247 April 2025: net assets -£181K-£181K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
7 Apr 2025-£181K£181K2
7 Apr 2024-£181K£181K2
7 Apr 2023-£181K£181K2
7 Apr 2022-£181K£181K2
7 Apr 2021-£181K£74K£254K2
7 Apr 2020-£181K£299£74K£255K2
7 Apr 2019-£181K£364£74K£255K
7 Apr 2018-£180K£4,653£76K£256K
7 Apr 2017-£179K£5,069£75K£254K
7 Apr 2016-£177K£11K£60K£238K

Who runs and owns Roundset Developments Ltd

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

Officers (3)

NameRoleAppointed
D*** W***Directorbefore Mar 1991
S*** W***Directorbefore Mar 1991
D*** W***Secretarybefore Mar 1991
2 former officers
NameRoleAppointedLeft
C*** C***DirectorMar 1992
M*** C***DirectorMar 1992

Person with significant control

Individual · since Apr 2016
D*** W***
Owns 75% or more of the shares
Holds 75% or more of the votes
Can appoint and remove directors

Charges (secured borrowing)

1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.

LenderStatusRegistered
Lloyds Bank PLCOutstandingJul 1992

Where Roundset Developments Ltd is registered

Roundset Developments Ltd's registered office on a map of the UK

The registered office is in Winchester (SO23), in the Winchester local authority area, South East. Show SO23 8SR on a map.

Other trade companies in SO23

Also registered at this address

9 other companies use the same registered office as Roundset Developments Ltd.

What happens if Roundset Developments 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 7 January 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late8 Jan 2027 to 7 Feb 2027£150
1 to 3 months late8 Feb 2027 to 7 Apr 2027£375
3 to 6 months late8 Apr 2027 to 7 Jul 2027£750
More than 6 months lateFrom 8 Jul 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late8 Apr 2027£200
3 months late7 Jul 2027another £200
6 months late7 Oct 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late7 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
00655653
Status
Active
Company type
Private limited company
Incorporated
6 April 1960 (66 years ago)
Registered office
Innovations House, 19 Staple Gardens, Winchester, SO23 8SR
Nature of business
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Year end
7 April (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
7 April 2025
Last confirmation statement
19 February 2026
Charges (mortgages)
1 outstanding of 1 registered

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

Similar companies in Winchester

Other active building contractors registered in Winchester.

All building contractors in Winchester · All trades in Winchester · Builders across the UK

Frequently asked questions

When are Roundset Developments Ltd's accounts due?

Roundset Developments Ltd's next accounts are due at Companies House by 7 January 2027 (in 86 days), covering the period to 7 April 2026.

When is Roundset Developments Ltd's CT600 due?

The CT600 for the period to 7 April 2026 is due at HMRC by 7 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 8 January 2027.

Is Roundset Developments Ltd still trading?

Roundset Developments 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 Roundset Developments Ltd do?

Roundset Developments Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).

How old is Roundset Developments Ltd?

Roundset Developments Ltd was incorporated on 6 April 1960, 66 years ago.

Who runs Roundset Developments Ltd?

Roundset Developments Ltd has 2 active directors. Their names and service addresses are on the Companies House register.

Who owns Roundset Developments Ltd?

One person or company has significant control of Roundset Developments Ltd: an individual (owns 75% or more of the shares).

What is the penalty if Roundset Developments 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 Roundset Developments 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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