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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 OnlyRETN376

5.85%

Until 30 September 2026

6.94%

Standard Variable Rate

7.0%

APRC

80%

£1999

2 Year Variable Rate Base Rate Tracker Mortgage - Repayment and Interest OnlyRETN375

6.25%

Until 30 September 2026

6.94%

Standard Variable Rate

7.0%

APRC

80%

£0

2 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN363

5.24%

Until 30 September 2026

6.94%

Standard Variable Rate

6.80%

APRC

80%

£999

2 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN364

5.55%

Until 30 September 2026

6.94%

Standard Variable Rate

6.80%

APRC

80%

£0

5 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN365

4.95%

Until 30 September 2029

6.94%

Standard Variable Rate

6.20%

APRC

80%

£999

5 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN366

5.08%

Until 30 September 2029

6.94%

Standard Variable Rate

6.20%

APRC

80%

£0

2 Year Variable Rate Base Rate Tracker Mortgage - Repayment and Interest OnlyRETN378

5.95%

Until 30 September 2026

6.94%

Standard Variable Rate

7.10%

APRC

90%

£1999

2 Year Fixed Rate Mortgage - Repayment and Interest Only RETN368

5.59%

Until 30 September 2026

6.94%

Standard Variable Rate

6.90%

APRC

90%

£999

2 Year Fixed Rate Mortgage - Repayment and Interest Only


RETN367

5.85%

Until 30 September 2026

6.94%

Standard Variable Rate

6.90%

APRC

90%

£0

5 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN369

5.10%

Until 30 September 2029

6.94%

Standard Variable Rate

6.30%

APRC

90%

£999

5 Year Fixed Rate Mortgage - Repayment and Interest OnlyRETN370

5.10%

Until 30 September 2029

6.94%

Standard Variable Rate

6.20%

APRC

90%

£0

2 Year Variable Rate Base Rate Tracker Mortgage - Repayment and Interest OnlyRETN321

5.99%

Until 30 September 2026

6.94%

Standard Variable Rate

7.10%

APRC

95%

£1999

2 Year Variable Rate Base Rate Tracker Mortgage - Repayment and Interest OnlyRETN322

6.20%

Until 30 September 2026

6.94%

Standard Variable Rate

7.10%

APRC

95%

£999

2 Year Variable Rate Base Rate Tracker Mortgage - Repayment and Interest OnlyRETN323

6.65%

Until 30 September 2026

6.94%

Standard Variable Rate

7.10%

APRC

95%

£0

2 Year Fixed Rate Mortgage - Repayment and Interest Only RETN372

6.05%

Until 31 July 2026

6.94%

Standard Variable Rate

7.00%

APRC

95%

£999

2 Year Fixed Rate Mortgage - Repayment and Interest Only


RETN371

6.25%

Until 30 September 2026

6.94%

Standard Variable Rate

7.00%

APRC

95%

£0

5 Year Fixed Rate Mortgage - Repayment and Interest Only RETN374

5.55%

Until 30 September 2029

6.94%

Standard Variable Rate

6.20%

APRC

95%

£999

5 Year Fixed Rate Mortgage - Repayment and Interest Only RETN373

5.75%

Until 30 September 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 -RETN355 CON -RETN356

5.20%

Until 30 September 2026

6.94%

Standard Variable Rate

6.90%

APRC

80%

£999

2 Year Fixed Rate Mortgage BUS RETN357 / CON RETN358

5.40%

Until 30 September 2026

6.94%

Standard Variable Rate

6.80%

APRC

80%

£0

5 Year Fixed Rate MortgageBUS RETN359 / CON RETN360

4.75%

Until 30 September 2029

6.94%

Standard Variable Rate

6.20%

APRC

80%

£999

5 Year Fixed Rate MortgageBUS RETN361 / CON RETN362

4.90%

Until 30 September 2029

6.94%

Standard Variable Rate

6.20%

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 Fixed Rate MortgageRETN341

5.15%

Until 31 July 2026

6.94%

Standard Variable Rate

6.80%

APRC

65%

£1999

5 Year Fixed Rate MortgageRETN342

4.75%

Until 31 July 2029

6.94%

Standard Variable Rate

6.20%

APRC

65%

£1999

2 Year Variable Rate Base Rate Tracker MortgageRETN343

6.09%

Until 31 July 2029

6.94%

Standard Variable Rate

7.00%

APRC

75%

£1999

2 Year Fixed Rate MortgageRETN344

5.20%

Until 31 July 2026

6.94%

Standard Variable Rate

6.80%

APRC

75%

£1999

5 Year Fixed Rate MortgageRETN345

4.80%

Until 31 July 2029

6.94%

Standard Variable Rate

6.20%

APRC

75%

£1999

2 Year Variable Rate Base Rate Tracker MortgageRETN346

6.09%

Until 31 July 2029

6.94%

Standard Variable Rate

7.00%

APRC

80%

£1999

2 Year Fixed Rate MortgageRETN347

5.20%

Until 31 July 2026

6.94%

Standard Variable Rate

6.90%

APRC

80%

£1999

5 Year Fixed Rate MortgageRETN348

4.80%

Until 31 July 2029

6.94%

Standard Variable Rate

6.20%

APRC

80%

£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 MortgageSEMP120

5.15%

Until 30 June 2026

6.94%

Standard Variable Rate

7.00%

APRC

80%

£999

2 Year Fixed Rate MortgageSEMP121

5.35%

Until 30 June 2026

6.94%

Standard Variable Rate

6.50%

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.

Front doors in Durham

Great customer service from start to finish. Everything was explained in detail and all of my questions were answered quickly and honestly.

Mrs Parke

Mortgage Customer

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