You can apply for a new passport or an additional booklet in your married name (new name) If your surname has changed subsequent to marriage

Documents required in case of a marriage

•  Application form - filled & signed. Download Here: |

•  Visa supermarket order form filled and signed.  
    Download Here: |

If you are changing any part or complete name, you need following documents.

Documents required

•  Application form - filled & signed. Download Here: |
•  Four latest identical passport-size photographs
•  Your current passport
•  Advertisement page - of a newspaper of your area in United Kingdom.
•  Advertisement page - of a newspaper of your area of permanent      address
•  A sworn affidavit affidavit