- Company number
- 16319980
- Incorporated
- 17 Mar 20251 year trading
- Registered office
- 169 Beech Avenue, Bourne, PE10 9RB
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Proper Sealants Ltd is a 1-year-old private limited company registered in Bourne, company number 16319980, one of 23 building contractors in Bourne. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Proper Sealants LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Where Proper Sealants Ltd is registered
The registered office is in Bourne (PE10), in the South Kesteven local authority area, East Midlands. Show PE10 9RB on a map.
Other trade companies in PE10
- Halls Garage Morton LtdMechanics and garages
- Dinuearthpro LtdBuilders
- LDG Automotive LtdMechanics and garages
- Bradley Chloe Theo LtdPainters and decorators
- R & B Resin Flooring Services LimitedFloor and wall tilers
- Acm Ltd ( Property Services ) LtdSpecialist contractors
- Goldsmith Decorating LtdPainters and decorators
- Hamold Holdings LimitedProperty developers
What happens if Proper Sealants 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 16319980
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 March 2025 (1 year ago)
- Registered office
- 169 Beech Avenue, Bourne, PE10 9RB
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 24 April 2026
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 Bourne
Other active building contractors registered in Bourne.
- R Property Developers Ltd2026
- T A Kitchen Installations Ltd2026
- Whitehead Building Limited2003
- Abbey' Stone & Masonry Limited1999
- Bentley Building Ltd2012
- Dinuearthpro Ltd2026
- Elevation Home Building Limited2004
- Facades on Time Ltd2023
All building contractors in Bourne · All trades in Bourne · Builders across the UK
Frequently asked questions
When are Proper Sealants Ltd's accounts due?
Proper Sealants Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Proper Sealants Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Proper Sealants Ltd still trading?
Proper Sealants 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 Proper Sealants Ltd do?
Proper Sealants Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Proper Sealants Ltd?
Proper Sealants Ltd was incorporated on 17 March 2025, 1 year ago.
What is the penalty if Proper Sealants 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 Proper Sealants 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.