- Companies
- Specialist contractors
- Grantham
- Dower Damp Proofing Ltd
Dower Damp Proofing Ltd
- Company number
- 13927174
- Incorporated
- 19 Feb 20224 years trading
- Registered office
- Unit 1 & 2, Withambrook Park, Withambrook Park Industrial Estate, Grantham, Lincolnshire, NG31 9ST
- Nature of business
- Other specialised construction activities n.e.c.
Dower Damp Proofing Ltd is a 4-year-old private limited company registered in Grantham, company number 13927174, one of 31 specialist construction companies in Grantham. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 up £77K (+210.4%) on the year before, to £113K.
- Current assets of £184K against £107K owed within a year: 1.7 times cover.
- 7 employees on average, up from 3 the year before.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £113K | £184K | £107K | 7 | |
| 28 Feb 2024 | £36K | £59K | £41K | 3 | |
| 28 Feb 2023 | -£4,212 | £27K | £35K | 3 |
Where Dower Damp Proofing Ltd is registered
The registered office is in Grantham (NG31), in the South Kesteven local authority area, East Midlands. Show NG31 9ST on a map.
Other trade companies in NG31
- Joacc LtdPlasterers
- Rka Fire Doors LtdJoiners and carpenters
- CS Bathroom & Kitchen Company LtdPlumbers and heating engineers
- Buildable Civils LtdBuilders
- Luper Heating & Plumbing LimitedPlumbers and heating engineers
- Motorcycle Reclamation LtdMotor traders
- Webster Developments 7 LtdProperty developers
- Autozoo LtdMotor traders
What happens if Dower Damp Proofing 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13927174
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 February 2022 (4 years ago)
- Registered office
- Unit 1 & 2, Withambrook Park, Withambrook Park Industrial Estate, Grantham, Lincolnshire, NG31 9ST
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 19 January 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.
Similar companies in Grantham
Other active specialist construction companies registered in Grantham.
- Eckc Ltd2026
- Graham Building Company Limited2010
- GSD 24/7 Ltd2018
- Ideal Storage and Partitioning Limited1992
- J Wilson Construction Ltd2022
- Jaz Facilities Management Ltd2025
- La Kitchen Collections Ltd2020
- LDW Carpentry & Building Ltd2017
All specialist construction companies in Grantham · All trades in Grantham · Specialist contractors across the UK
Frequently asked questions
When are Dower Damp Proofing Ltd's accounts due?
Dower Damp Proofing Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is Dower Damp Proofing Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Dower Damp Proofing Ltd still trading?
Dower Damp Proofing 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 Dower Damp Proofing Ltd do?
Dower Damp Proofing Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Dower Damp Proofing Ltd?
Dower Damp Proofing Ltd was incorporated on 19 February 2022, 4 years ago.
What is the penalty if Dower Damp Proofing 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 Dower Damp Proofing Ltd on Companies House for filed documents, officers and the full history.
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.