- Company number
- 09735684
- Incorporated
- 17 Aug 201511 years trading
- Registered office
- Portmill House, Portmill Lane, Hitchin, Hertfordshire, SG5 1DJ
- Nature of business
- Construction of domestic buildings
Zawislanski Ltd is a 11-year-old private limited company registered in Hitchin, company number 09735684, one of 92 building contractors in Hitchin. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £18K (-47%) on the year before, to £20K.
- Current assets of £18K against £10K owed within a year: 1.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £20K | £15K | £18K | £10K | 0 |
| 31 Aug 2024 | £38K | £34K | £39K | £15K | 1 |
| 31 Aug 2023 | £49K | £61K | £65K | £31K | 1 |
| 31 Aug 2016 | -£621 | £1,296 | £12K | £25K |
Where Zawislanski Ltd is registered
The registered office is in Hitchin (SG5), in the North Hertfordshire local authority area, East of England. Show SG5 1DJ on a map.
Other trade companies in SG5
- Unlock Your Dreams LtdProperty developers
- The Peugeot and Renault Man LtdMechanics and garages
- Woods Property Solutions LtdBuilders
- PM Contractors LtdBuilders
- S. Harris Builders LimitedFinishing trades
- Stotfold Property Services LtdBuilders
- SGB Modern Access LtdScaffolders
- Top Class Roofing & Renovations LimitedRoofers
Also registered at this address
6 other companies use the same registered office as Zawislanski Ltd.
- Freeman Construction LimitedBuilders
- Project 1966 LtdProperty developers
- Regeneration (Hitchin) LimitedProperty developers
- Toon Materials LimitedCivil engineering
- Village IT & Technology Services LtdRepair services
- Wells Property Maintenance LimitedSpecialist contractors
What happens if Zawislanski 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 09735684
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 August 2015 (11 years ago)
- Registered office
- Portmill House, Portmill Lane, Hitchin, Hertfordshire, SG5 1DJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 16 August 2025
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 Hitchin
Other active building contractors registered in Hitchin.
- A2B Building Services Ltd2026
- Adelaide Construction Ltd2016
- Ais Assistant Ltd2026
- Alexandre Developments Limited1998
- Alife Construction Limited2025
- Ambison Management Limited2015
- Anthony Scaffolding Services Limited2006
- Ar Prop Serv Ltd2026
All building contractors in Hitchin · All trades in Hitchin · Builders across the UK
Frequently asked questions
When are Zawislanski Ltd's accounts due?
Zawislanski Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Zawislanski Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Zawislanski Ltd still trading?
Zawislanski Ltd is listed as active on the Companies House register (checked 12 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 Zawislanski Ltd do?
Zawislanski Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Zawislanski Ltd?
Zawislanski Ltd was incorporated on 17 August 2015, 11 years ago.
What is the penalty if Zawislanski 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 Zawislanski Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.