- Companies
- Builders
- Southampton
- Walthams South Limited
Walthams South Limited
- Company number
- 04908834
- Incorporated
- 23 Sep 200323 years trading
- Registered office
- Oak House New Road, Swanmore, Southampton, Hampshire, SO32 2PF
- Nature of business
- Construction of commercial buildings
Walthams South Limited is a 23-year-old private limited company registered in Southampton, company number 04908834, one of 491 building contractors in Southampton. 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.
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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 down £1,409 (-0.1%) on the year before, to -£1.7M.
- Net assets rose in 1 of 8 year-on-year comparisons on record.
- Current assets of £539 against £1.6M owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2014 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£1.7M | £539 | £1.6M | 0 | |
| 30 Apr 2024 | -£1.7M | £748 | £748 | £1.7M | 0 |
| 30 Apr 2023 | -£1.7M | £7,307 | £7,307 | £1.7M | 0 |
| 30 Apr 2022 | -£1.5M | £0 | £151K | £1.7M | 3 |
| 30 Apr 2021 | -£1.5M | £28K | £72K | £1.6M | 3 |
| 30 Apr 2020 | -£1.4M | £84K | £226K | £1.6M | 0 |
| 30 Apr 2019 | -£1.2M | £128K | £858K | £2.1M | 24 |
| 31 Oct 2017 | £1.1M | £89 | £2.2M | £1.1M | 22 |
| 31 Oct 2015 | £755K | £743K | £1.4M | £671K | |
| 31 Oct 2014 | £677K | £181 | £1.1M | £483K |
Where Walthams South Limited is registered
The registered office is in Southampton (SO32), in the Winchester local authority area, South East. Show SO32 2PF on a map.
Other trade companies in SO32
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- D&A Groom LtdInstallers
- Clearline Builds LtdBuilders
- Bumpers to Boost Customs LimitedMotor traders
- Chambers Composites LtdSpecialist contractors
- Gilltown Developments LimitedProperty developers
- Woodpabst Developments LimitedProperty developers
- Htwagroup LtdProperty developers
Also registered at this address
1 other company uses the same registered office as Walthams South Limited.
- Waltham Contracting LtdInstallers
What happens if Walthams 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2028 | another 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
- 04908834
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 September 2003 (23 years ago)
- Registered office
- Oak House New Road, Swanmore, Southampton, Hampshire, SO32 2PF
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 23 September 2026
- Charges (mortgages)
- 10 outstanding of 10 registered
- Previous names
- 04908834 Limited (until 15 Jul 2022)
Walthams Limited (until 30 Jun 2022)
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 Southampton
Other active building contractors registered in Southampton.
- Warsash Enterprises Limited2006
- White Build Ltd2025
- White World Limited2023
- Wilbec Construction Limited2023
- Yardley Homes Ltd2021
- Yeargate Limited1983
- Zac Renovations Ltd2026
- Zenith & Beyond Ltd2020
All building contractors in Southampton · All trades in Southampton · Builders across the UK
Frequently asked questions
When are Walthams South Limited's accounts due?
Walthams South Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Walthams South Limited'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 Walthams South Limited still trading?
Walthams South Limited is listed as active on the Companies House register (checked 13 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 Walthams South Limited do?
Walthams South Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Walthams South Limited?
Walthams South Limited was incorporated on 23 September 2003, 23 years ago.
What is the penalty if Walthams 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 Walthams South Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.