HOW-TO GUIDE

Tender Writing: The Complete UK Guide

From reading the tender pack to pressing submit: how to write UK public sector tenders that score.

how to bid · 28 September 2026 · 12 min read · by AI Tender Writer Editorial

Tender writing is preparing a compliant, scored response to a buyer's tender documents. For UK public sector contracts, good tender writing means reading the whole pack before writing, meeting every pass/fail condition, answering each quality question against its published criteria with contract-specific evidence, and pricing consistently with what you promise.

UK tendering at a glance

Live

Procurement Act 2023

In force

Open and competitive flexible procedures replace the old list.

GOV.UK
Live

Threshold

Central government goods and services

£139,688

Above this, tenders go on Find a Tender.

GOV.UK
Live

Contracts Finder

Below-threshold notices in England

£12,000 / £30,000

Central government / other bodies, inc. VAT.

GOV.UK
Mandatory

PPN 002

Social value

10% min weighting

In-scope central government procurements.

GOV.UK

What is tender writing?

Tender writing is the work of turning a buyer's tender documents into a complete, compliant response that scores well. It covers much more than the written answers: checking you meet the conditions of participation, completing the Procurement Specific Questionnaire, writing method statements and quality responses, preparing the pricing schedule, and assembling every attachment in the format the buyer asked for. In the UK, tender writing and bid writing are usually used to mean the same thing, though tender writing is more often used for formal public sector competitions.

Public sector tenders follow rules. Under the Procurement Act 2023, which came into force on 24 February 2025 in England, Wales and Northern Ireland, buyers must treat suppliers equally, publish their award criteria and weightings, and award to the most advantageous tender. Scotland's devolved bodies still follow the Procurement Reform (Scotland) Act 2014 and the Public Contracts (Scotland) Regulations 2015. Either way, your tender is scored against published criteria by people who can only mark what you wrote.

What is in a tender pack?

DocumentWhat it tells youWhat to do with it
Tender noticeScope, value, duration, procedure and deadlinesDecide quickly whether to look further
Instructions to tenderersRules for submission, clarifications, formats and evaluationBuild your compliance matrix from it
SpecificationWhat the buyer needs delivered, often with service levelsMine it for detail to use in every answer
Conditions of participation / PSQMinimum standards such as insurance, turnover and experienceCheck pass/fail items before you invest time
Quality questions and criteriaWhat you must write and how it is markedPlan answers against the score descriptors
Pricing scheduleHow to present your price and what it must includeAlign cost with commitments in your answers
Contract termsYour obligations, liabilities, KPIs and payment termsCheck risk and raise clarifications early
TUPE informationStaff who may transfer to youPrice and plan the transfer properly

Read the whole pack before writing a single answer. Specifications often contain details, such as site numbers, service volumes, opening hours or known problems, that separate a generic answer from one that clearly understands this contract. Contract terms may contain KPIs or service credits that change how you should price. And instructions to tenderers sometimes hide rules, such as font size, file naming or a ban on marketing brochures, that can make an otherwise good tender non-compliant.

Procurement procedures and what they mean for your tender

The Procurement Act 2023 reduced the procedure types to two main competitive routes. The open procedure is a single-stage tender: any supplier can submit a full bid, and the buyer assesses conditions of participation and award criteria together. The competitive flexible procedure lets the buyer design its own process, which might include a shortlisting stage, several rounds of tenders, negotiation, presentations or site visits. Frameworks, dynamic markets and direct awards in limited circumstances sit alongside these.

RouteHow it worksWhat it means for tender writing
Open procedureOne stage, full bids from anyoneWrite the full response at once; strict deadline
Competitive flexible procedureBuyer-designed stages, possibly negotiationRead the process carefully; plan for presentations and refined bids
FrameworkSuppliers appointed for up to four years (eight for open frameworks)Framework bid then shorter mini-competitions for call-offs
Dynamic marketSuppliers join a list and compete for later contractsKeep your information current to be invited
Below thresholdSimpler processes, quotes and short tendersShorter answers, but the same principles apply

How to write a tender, step by step

How to write a UK public sector tender

  1. Step 1· 1 day

    Download and read the full pack

    Register on the buyer's e-tendering portal, download every document and read them all before deciding anything.

  2. Step 2

    Make the bid/no-bid decision

    Check conditions of participation, capacity, risk and your chance of winning. Stop if you miss a pass/fail requirement.

  3. Step 3

    Create a compliance matrix

    List every question, word limit, weighting, attachment and deadline, with an owner for each.

  4. Step 4

    Ask clarification questions early

    Use the portal's clarification process for anything ambiguous. Answers are usually shared with all bidders.

  5. Step 5

    Write method statements and quality answers

    Follow the question's order, use the specification's detail, and support every claim with evidence.

  6. Step 6

    Price to match your promises

    Make sure staffing, equipment and social value commitments in your answers are costed in the pricing schedule.

  7. Step 7

    Review, check and submit

    Score answers against the criteria, check formats and declarations, and upload well before the deadline.

Writing method statements that score

A method statement explains how you will deliver part of the contract. It is the core of most tender quality sections, particularly in construction, facilities management, environmental services and care. Evaluators want to see a clear, logical process specific to their contract, with named roles, timings, controls and evidence that the method works.

  • Open with the buyer's requirement in one or two lines so the evaluator sees you understood it.
  • Set out the method in numbered stages, each with who, what, when and how it is checked.
  • Use specification details: site names, volumes, access restrictions, operating hours.
  • Include risks and how you control them.
  • Prove it with a short case study or KPI from similar work.
  • End with the outcome for the buyer: fewer complaints, lower cost, better compliance, safer sites.
Grounds maintenance15% of marks· 600 words max

Describe your approach to mobilising this contract, including TUPE transfer of existing staff.

Our mobilisation runs over the 10 weeks between award and your 1 April start. Weeks 1 to 2: a named Mobilisation Manager meets your contract officer and the incumbent, confirms the TUPE list of 12 operatives and issues measures letters. Weeks 3 to 6: one-to-one consultation meetings with each transferring employee and their representative; uniforms, training records and licences checked. Weeks 5 to 8: fleet and equipment delivered to your two depots and inspected. Weeks 9 to 10: site walks across all parks with supervisors; route plans issued. Risks, such as late employee information, are logged weekly with mitigations. On our last council grounds contract we transferred all staff with no service gap on day one.

4/5

Why it scores

  • Clear staged timeline to the start date
  • TUPE process explained step by step
  • Named role and risk management
  • Specific to the buyer's depots and staff

Illustrative example written for this guide. Replace figures with your own verifiable evidence.

Pricing your tender

Price is usually scored relative to the lowest compliant bid, so small differences can matter. But the more common tender writing failure is inconsistency: a quality answer promises a full-time contract manager, weekly audits and three apprentices, and the price schedule does not cost them. Evaluators and contract managers notice. Build your price from the same resource plan that your quality answers describe, include TUPE costs, pension liabilities, mobilisation and social value delivery, and check for abnormally low pricing, which buyers may investigate.

A realistic tender timeline

Here is how a small team might plan a 28-day open tender for a £400,000 council contract with six quality questions, a social value question and a pricing schedule. The exact days will shift, but the proportions hold: about a quarter of the time on reading the documents and planning, half on evidence and drafting, and a quarter on review, pricing and submission.

DaysActivityOutput
1 to 2Read the pack, bid/no-bid meetingDecision recorded with reasons
2 to 3Compliance matrix, owners, clarification questionsMatrix and first clarifications submitted
3 to 7Evidence gathering and interviews with operationsNotes, case studies and data for each question
7 to 16First drafts, highest weighting firstComplete draft of every answer
16 to 19Independent scoring reviewMarked-up drafts with scores and gaps
19 to 23Rewrites, pricing build and sign-offFinal answers and approved price
23 to 26Compliance check, formatting, declarationsSubmission-ready files
26 to 27Upload with a day to sparePortal receipt saved

How evaluators read your tender

Knowing how evaluation works changes how you write. Panels usually include a procurement officer and people who will manage or use the service. Each evaluator scores independently against the descriptors, then the panel meets to agree a moderated score with written reasons. Those reasons feed the assessment summary you receive. Evaluators often have many bids to read, so they look for the answer to each part of the question quickly. Headings that mirror the question, short paragraphs, specific numbers and a clear link to the specification make their job easier and your marks easier to justify.

After you submit: assessment summaries and standstill

Under the Procurement Act 2023, when a buyer decides who to award an above-threshold contract to, it must send every bidder an assessment summary explaining how their tender scored against the award criteria and, for unsuccessful suppliers, how it compared with the winning tender. The buyer then publishes a contract award notice, which usually starts a standstill period of at least eight working days before the contract can be signed. Use the assessment summary to update your library, and if you think the process was flawed, take legal advice quickly because the time limits for challenge are short.

Tender writing mistakes that cost marks

  • Starting to write before reading the whole pack.
  • Treating clarification deadlines as optional; late questions go unanswered.
  • Copying library answers without adapting them to the specification.
  • Ignoring word limits or template rules, which can make answers non-compliant.
  • Writing about your company history instead of how you will deliver this contract.
  • Unsupported superlatives such as "market-leading" or "best-in-class" with no evidence.
  • Inconsistent numbers between answers, CVs and the price schedule.
  • Uploading at the last minute and hitting portal problems.

Lots, consortia and subcontracting: tender writing options for SMEs

If a contract looks too large, read the tender for lots. Buyers often split contracts by geography or service, and the Procurement Act requires them to consider lots and explain their decision for larger contracts. Bidding for one or two lots lets you meet turnover and capacity requirements you would miss for the whole contract. You can also bid as a consortium with other SMEs, with one lead supplier and clear roles, or join a larger prime contractor's supply chain.

  • For lots, check whether answers can be shared across lots or must be written separately.
  • For consortia, agree who is lead, how liability is shared and who writes which answers before the tender opens.
  • For subcontracting, name your subcontractors and explain how you manage them; buyers score supply chain management.
  • Check the buyer's rules on relying on another company's capacity to meet conditions of participation.

Tender writing in Scotland, Wales and Northern Ireland

Tender writing principles are the same across the UK, but the rules and portals differ. Welsh and Northern Irish contracting authorities follow the Procurement Act 2023, with Wales also applying its own Procurement (Wales) Act 2024 on social partnership and well-being goals. Scottish devolved authorities publish on Public Contracts Scotland, often use PCS-Tender for submissions, and ask for community benefits and fair work practices under Scottish legislation. Welsh opportunities appear on Sell2Wales and Northern Irish ones on eTendersNI. Read each buyer's social value or community benefit guidance, because the themes they score differ.

Tender writing support: your options

OptionWhat you getBest for
Tender writing specialist or expertAn experienced freelancer or consultant writes or reviews your tenderOne-off high-value tenders
Tender writing agencyA team offering writing, bid management and reviewsComplex or multi-lot tenders, tight deadlines
TrainingCourses and APMP certification for your own staffBuilding in-house capability
AI tender writing toolsDrafts full answers from your evidence against the criteriaRegular bidders on a budget
Free supportLocal growth hubs, Supplier Development Programme in Scotland, Business WalesFirst-time bidders

Whichever tender writing support you choose, you remain responsible for the content. Every commitment becomes part of the contract, and under PPN 017 central government buyers may ask whether AI was used to prepare your tender. Keep your evidence accurate and your library current, and any support you use will produce better results.

Tools that help with tender writing

See our comparisons of tender software, AI tender software, tender management software and tender writing services.

Related guides: bid writing guide, how to write a tender, method statement examples, tender writing examples and how to improve tender writing.

Sources

  1. Procurement Act 2023
  2. Procurement Act 2023 guidance documents
  3. Procurement thresholds (PPN 12/23)
  4. PPN 002: Social value
  5. PPN 017: AI use in procurement
  6. Public Contracts Scotland
  7. Sell2Wales

FAQs

Frequently asked questions

What is tender writing?
Tender writing is preparing a compliant response to a buyer's tender documents, including selection information, quality answers, method statements and pricing, so it scores well against the published criteria.
How do I write a tender for the first time?
Read the whole pack, check you meet every pass/fail condition, build a compliance matrix, answer each question in order with evidence specific to the contract, price consistently and submit early.
How long is a typical tender deadline?
Under the Procurement Act, minimum tendering periods vary by procedure and circumstances; many open tenders allow around 25 to 30 days. Below-threshold tenders can be shorter.
What is a method statement in a tender?
A description of how you will deliver part of the contract, in stages, with roles, timings, controls, risks and evidence.
Can I ask questions during a tender?
Yes, through the clarification process on the buyer's portal before the clarification deadline. Answers are usually anonymised and shared with all bidders.
Is tender writing support worth paying for?
For high-value, complex or first-time tenders, often yes. For routine tenders, AI drafting plus your own review is usually more cost-effective.
What happens after I submit a tender?
The buyer evaluates bids, then issues an assessment summary to each bidder and a standstill period before the contract is awarded, for above-threshold procurements under the Procurement Act.
What is the difference between tender writing and bid writing?
In the UK they are generally the same activity. Tender writing tends to refer to formal public sector competitions; bid writing is used more broadly.