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Newcastle Building Society - Home

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If your current mortgage deal is ending, or you're on our Standard Variable Rate (SVR), then you might be wondering how to switch your mortgage to a different deal.

We like to reward our loyal mortgage customers, so we have a range of exclusive rates just for our existing customers which offer preferential rates.

Select your mortgage type below

Residential

Product CodeInitial Rate1
Followed by2Overall cost for comparison3Maximum LTV4Fees5
2 Year Variable Rate Base Rate Tracker Mortgage - Repayment and Interest OnlyRETN399

5.85%

Until 31 October 2026

6.94%

Standard Variable Rate

7.0%

APRC

80%

£1999

2 Year Variable Rate Base Rate Tracker Mortgage - Repayment and Interest OnlyRETN400

6.25%

Until 31 October 2026

6.94%

Standard Variable Rate

7.0%

APRC

80%

£0

2 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN401

5.24%

Until 31 October 2026

6.94%

Standard Variable Rate

6.80%

APRC

80%

£999

2 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN402

5.55%

Until 31 October 2026

6.94%

Standard Variable Rate

6.80%

APRC

80%

£0

5 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN403

4.95%

Until 31 October 2029

6.94%

Standard Variable Rate

6.20%

APRC

80%

£999

5 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN404

5.08%

Until 31 October 2029

6.94%

Standard Variable Rate

6.20%

APRC

80%

£0

2 Year Variable Rate Base Rate Tracker Mortgage - Repayment and Interest OnlyRETN405

5.95%

Until 31 October 2026

6.94%

Standard Variable Rate

7.10%

APRC

90%

£1999

2 Year Variable Rate Base Rate Tracker Mortgage - Repayment and Interest OnlyRETN406

6.30%

Until 31 October 2026

6.94%

Standard Variable Rate

7.10%

APRC

90%

£0

2 Year Fixed Rate Mortgage - Repayment and Interest Only RETN407

5.59%

Until 31 October 2026

6.94%

Standard Variable Rate

6.90%

APRC

90%

£999

2 Year Fixed Rate Mortgage - Repayment and Interest Only


RETN408

5.85%

Until 31 October 2026

6.94%

Standard Variable Rate

6.90%

APRC

90%

£0

5 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN409

5.10%

Until 31 October 2029

6.94%

Standard Variable Rate

6.30%

APRC

90%

£999

5 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN410

5.25%

Until 31 October 2029

6.94%

Standard Variable Rate

6.20%

APRC

90%

£0

2 Year Variable Rate Base Rate Tracker Mortgage - Repayment and Interest OnlyRETN405

5.95%

Until 31 October 2026

6.94%

Standard Variable Rate

7.10%

APRC

90%

£1999

2 Year Fixed Rate Mortgage - Repayment and Interest Only RETN411

6.05%

Until 31 October 2026

6.94%

Standard Variable Rate

7.00%

APRC

95%

£999

2 Year Fixed Rate Mortgage - Repayment and Interest Only


RETN412

6.25%

Until 31 October 2026

6.94%

Standard Variable Rate

7.00%

APRC

95%

£0

5 Year Fixed Rate Mortgage - Repayment and Interest Only RETN413

5.55%

Until 31 October 2029

6.94%

Standard Variable Rate

6.20%

APRC

95%

£999

5 Year Fixed Rate Mortgage - Repayment and Interest Only RETN414

5.75%

Until 31 October 2029

6.94%

Standard Variable Rate

6.30%

APRC

95%

£0

1 The starting rate of interest which will be charged on your mortgage

2 After your initial rate period the interest rate will switch to the lenders variable rate

3 The Annual Percentage Rate of Charge (APRC) is the total cost of the mortgage shown as an annual percentage. All lenders calculate APRC the same way to help you compare mortgage details. This rate could change if a variable rate applied to your mortgage changes

4 The amount of your loan as a percentage of the total value of your property

5 These could be reservation or administration fees that are payable on your mortgage deal

Buy-to-Let

Product CodeInitial Rate1 Followed by2Overall cost for comparison3Maximum LTV4Fees5
2 Year Fixed Rate Mortgage BUS -RETN415 CON -RETN416

5.50%

Until 30 November 2026

6.94%

Standard Variable Rate

6.90%

APRC

80%

£999

2 Year Fixed Rate Mortgage BUS RETN417 / CON RETN418

5.80%

Until 30 November 2026

6.94%

Standard Variable Rate

6.90%

APRC

80%

£0

5 Year Fixed Rate MortgageBUS RETN419 / CON RETN420

5.05%

Until 30 November 2029

6.94%

Standard Variable Rate

6.20%

APRC

80%

£999

5 Year Fixed Rate MortgageBUS RETN421 / CON RETN422

5.15%

Until 30 November 2029

6.94%

Standard Variable Rate

6.30%

APRC

80%

£0

The starting rate of interest which will be charged on your mortgage

2 After your initial rate period the interest rate will switch to the lenders variable rate

3 The Annual Percentage Rate of Charge (APRC) is the total cost of the mortgage shown as an annual percentage. All lenders calculate APRC the same way to help you compare mortgage details. This rate could change if a variable rate applied to your mortgage changes

4 The amount of your loan as a percentage of the total value of your property

5 These could be reservation or administration fees that are payable on your mortgage deal

Large Loans

Product CodeInitial Rate1Followed by2Overall cost for comparison3Maximum LTV4Fees5
2 Year Variable Rate Base Rate Tracker MortgageRETN423

6.09%

Until 31 October 2026

6.94%

Standard Variable Rate

7.00%

APRC

65%

£1999

2 Year Fixed Rate MortgageRETN424

5.60%

Until 31 October 2026

6.94%

Standard Variable Rate

7.00%

APRC

65%

£1999

5 Year Fixed Rate MortgageRETN425

5.10%

Until 31 October 2029

6.94%

Standard Variable Rate

6.40%

APRC

65%

£1999

2 Year Variable Rate Base Rate Tracker MortgageRETN426

6.15%

Until 31 October 2029

6.94%

Standard Variable Rate

7.00%

APRC

75%

£1999

2 Year Fixed Rate MortgageRETN427

5.65%

Until 31 October 2026

6.94%

Standard Variable Rate

6.90%

APRC

75%

£1999

5 Year Fixed Rate MortgageRETN428

5.15%

Until 31 October 2029

6.94%

Standard Variable Rate

6.40%

APRC

75%

£1999

2 Year Variable Rate Base Rate Tracker MortgageRETN429

6.15%

Until 31 October 2029

6.94%

Standard Variable Rate

7.00%

APRC

80%

£1999

2 Year Fixed Rate MortgageRETN430

5.65%

Until 31 October 2026

6.94%

Standard Variable Rate

6.90%

APRC

80%

£1999

5 Year Fixed Rate MortgageRETN431

5.15%

Until 31 October 2029

6.94%

Standard Variable Rate

6.20%

APRC

80%

£1999

2 Year Variable Rate Base Rate Tracker MortgageRETN432

6.20%

Until 31 October 2026

6.94%

Standard Variable Rate

7.00%

APRC

85%

£1999

2 Year Fixed Rate Mortgage


RETN433

6.70%

Until 31 October 2026

6.94%

Standard Variable Rate

6.90%

APRC

85%

£1999

5 Year Fixed Rate Mortgage


RETN434

5.20%

Until 31 October 2029

6.94%

Standard Variable Rate

6.20%

APRC

85%

£1999

1 The starting rate of interest which will be charged on your mortgage

2 After your initial rate period the interest rate will switch to the lenders variable rate

3 The Annual Percentage Rate of Charge (APRC) is the total cost of the mortgage shown as an annual percentage. All lenders calculate APRC the same way to help you compare mortgage details. This rate could change if a variable rate applied to your mortgage changes

4 The amount of your loan as a percentage of the total value of your property

5 These could be reservation or administration fees that are payable on your mortgage deal

Self Employed

Product CodeInitial Rate1Followed by2Overall cost for comparison3Maximum LTV4Fees5
2 Year Fixed Rate MortgageSEMP126

5.95%

Until 31 October 2026

6.94%

Standard Variable Rate

7.00%

APRC

80%

£999

2 Year Fixed Rate MortgageSEMP127

6.05%

Until 31 October 2026

6.94%

Standard Variable Rate

7.00%

APRC

80%

£0

1 The starting rate of interest which will be charged on your mortgage

2 After your initial rate period the interest rate will switch to the lenders variable rate

3 The Annual Percentage Rate of Charge (APRC) is the total cost of the mortgage shown as an annual percentage. All lenders calculate APRC the same way to help you compare mortgage details. This rate could change if a variable rate applied to your mortgage changes

4 The amount of your loan as a percentage of the total value of your property

5 These could be reservation or administration fees that are payable on your mortgage deal

Ready to arrange an appointment?

Complete our online form to request an appointment with one of our mortgage advisers.

Book an appointment

Let's talk

Speak to one of our friendly mortgage team about your options.

0345 606 4488

Our lines are open 8am - 6pm, Monday to Friday.

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YOUR MORTGAGE WILL BE SECURED ON YOUR HOME. YOUR HOME MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON YOUR MORTGAGE.